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Protest! Studies on Protest Politicization, Perceived Protest Atmosphere, and Protest

Policing

van Leeuwen, A.L.

2016

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van Leeuwen, A. L. (2016). Protest! Studies on Protest Politicization, Perceived Protest Atmosphere, and Protest Policing. Ridderprint.

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Street protests1 are omnipresent in Europe and other parts of the world. Almost on a daily basis, people take the streets to voice their grievances ‘about the way the authorities [or other power holders] are treating a social problem’ (Klandermans, 1997: 38). For example, The Hague—the political capital of the Netherlands and ‘the legal capital of the World’2—hosts about 1,500 demonstrations per year (Van Aartsen, 2014), that is, almost 30 a week. Similar numbers have been found for other large European cities, such as Madrid (1,778 in 2010) (Gobierno de España, 2010: 17) and Berlin (more than 4,000 in 2013) (Senatsverwaltung für Inneres und Sport, 2013: 5).

The prevalence of street protest is explained by the fact that it belongs to the standard repertoire of political participation, at least in Western democracies (Goldstone, 2003; Johnston, 2011). So, next to voting, and petitioning, to name a few other forms of political participation, citizens may try to influence politics by taking part in a protest event. Research revealed that many different social groups do this to address a wide array of claims (Meyer and Tarrow, 1998; Rucht, 1998), such as students opposing budget cuts on higher education, minorities denouncing police violence, and Lesbians, Gays, Bisexuals, and Transgenders (LGBT’s) advocating for their acceptance by society, to name a few.

Obviously, these events are not all the same. One only needs to attend a student demonstration and a Gay Pride parade to witness their differences, in terms of the people who participate in them, for example. However, comparative research of these events is rare (e.g., Klandermans, Van Stekelenburg, and Walgrave, 2014; Walgrave and Rucht, 2010a). Consequently, ‘many aspects of protests are insufficiently understood’ (Walgrave and Rucht, 2010a: xiv). This dissertation aims to help alleviate this gap in the literature by presenting four empirical studies on street demonstrations and their core actors, that is, demonstrators and the police, which are all based on comparative designs. Before I3 present these studies, that is, their research questions and research designs, I first explain what protests are, and what role demonstrators and police officers play in them.

1 In this dissertation, I use the terms ‘(street) demonstration’, ‘(street) protest’, and ‘protest event’ interchangeably.

2 Boutros Boutros-Ghali, Secretary-General of the United Nations between 1992 and 1997, was the first to call The Hague ‘the legal capital of the World’ (Embregts and Nieuwenhuys, 2007).

3 In Chapters 2-5 I use the first-person, plural personal pronoun (we), instead of the first-person, singular personal pronoun (I), because these papers were drafted in cooperation with other scholars.

STREET PROTESTS

A street protest is ‘any temporary occupation by a number of people of an open place, public

or private, which directly or indirectly includes the expression of political opinions’ (Fillieule, 2012: 235, referring to Fillieule, 1997). This definition consists of four elements (Fillieule, 1997: 41-43). First of all, a protest constitutes the occupation of a public place. As such, it does not entail, for example, a political reunion being held indoors. Secondly, a demonstration counts a certain number of people. While scholars have not identified a minimum number of participants (e.g., Op cit.: 41-42), governments generally have. For instance, according to the Dutch government, a protest counts at least two individuals (Embregts and Nieuwenhuys, 2007: 8-9). Further, a protest is a means of communication, or, in the words of Tilly (2008: 7), a ‘claim[s]-making performance’. While there are various forms of street protests (e.g., protest marches, rallies, picketing, and sit-ins4), their participants generally all make claims, either verbally (e.g., booing, or chanting) or non-verbally (e.g., holding protest banners, or occupying a symbolic place) (e.g., Tilly, 2000). Last, but not least, protests are political by

nature, that is, demonstrators engage in a power struggle (Fillieule, 1997: 41-43; Tilly, 2008). So, for example, hooligan meetings and suburban riots are not considered protests.

The first three characteristics have received some scholarly attention. For example, scholars have studied in which public places protesters prefer to stage their events (Salmenkari, 2009; Tilly, 2000), how protests differ in size (Verhulst, 2010; also see McPhail and McCarthy, 2004), and how collective claims-making may take form (Tarrow, 1989; Tilly, 2008). Although these studies are generally not comparative in nature, they shed some light on street protests. To the best of my knowledge, scholars have not devoted any attention, comparative or otherwise, to the fourth protest characteristic: its political nature. This is probably because, as Fillieule (1997: 42) put it, ‘the political nature of a demonstration is […] the most difficult to isolate’ (my translation). After all, ‘many events that at first sight seem non-political may indicate a sociopolitical crisis or be the occasion of its expression’ (Op cit.: 42-43, my translation), such as political burials. And while protests ‘translate into or open up the expression of demands of a political or social nature’ (Fillieule, 2012: 236), this may happen unintentionally (Ibid.). So, determining the political nature of a street demonstration

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Street protests1 are omnipresent in Europe and other parts of the world. Almost on a daily basis, people take the streets to voice their grievances ‘about the way the authorities [or other power holders] are treating a social problem’ (Klandermans, 1997: 38). For example, The Hague—the political capital of the Netherlands and ‘the legal capital of the World’2—hosts about 1,500 demonstrations per year (Van Aartsen, 2014), that is, almost 30 a week. Similar numbers have been found for other large European cities, such as Madrid (1,778 in 2010) (Gobierno de España, 2010: 17) and Berlin (more than 4,000 in 2013) (Senatsverwaltung für Inneres und Sport, 2013: 5).

The prevalence of street protest is explained by the fact that it belongs to the standard repertoire of political participation, at least in Western democracies (Goldstone, 2003; Johnston, 2011). So, next to voting, and petitioning, to name a few other forms of political participation, citizens may try to influence politics by taking part in a protest event. Research revealed that many different social groups do this to address a wide array of claims (Meyer and Tarrow, 1998; Rucht, 1998), such as students opposing budget cuts on higher education, minorities denouncing police violence, and Lesbians, Gays, Bisexuals, and Transgenders (LGBT’s) advocating for their acceptance by society, to name a few.

Obviously, these events are not all the same. One only needs to attend a student demonstration and a Gay Pride parade to witness their differences, in terms of the people who participate in them, for example. However, comparative research of these events is rare (e.g., Klandermans, Van Stekelenburg, and Walgrave, 2014; Walgrave and Rucht, 2010a). Consequently, ‘many aspects of protests are insufficiently understood’ (Walgrave and Rucht, 2010a: xiv). This dissertation aims to help alleviate this gap in the literature by presenting four empirical studies on street demonstrations and their core actors, that is, demonstrators and the police, which are all based on comparative designs. Before I3 present these studies, that is, their research questions and research designs, I first explain what protests are, and what role demonstrators and police officers play in them.

1 In this dissertation, I use the terms ‘(street) demonstration’, ‘(street) protest’, and ‘protest event’ interchangeably.

2 Boutros Boutros-Ghali, Secretary-General of the United Nations between 1992 and 1997, was the first to call The Hague ‘the legal capital of the World’ (Embregts and Nieuwenhuys, 2007).

3 In Chapters 2-5 I use the first-person, plural personal pronoun (we), instead of the first-person, singular personal pronoun (I), because these papers were drafted in cooperation with other scholars.

STREET PROTESTS

A street protest is ‘any temporary occupation by a number of people of an open place, public

or private, which directly or indirectly includes the expression of political opinions’ (Fillieule, 2012: 235, referring to Fillieule, 1997). This definition consists of four elements (Fillieule, 1997: 41-43). First of all, a protest constitutes the occupation of a public place. As such, it does not entail, for example, a political reunion being held indoors. Secondly, a demonstration counts a certain number of people. While scholars have not identified a minimum number of participants (e.g., Op cit.: 41-42), governments generally have. For instance, according to the Dutch government, a protest counts at least two individuals (Embregts and Nieuwenhuys, 2007: 8-9). Further, a protest is a means of communication, or, in the words of Tilly (2008: 7), a ‘claim[s]-making performance’. While there are various forms of street protests (e.g., protest marches, rallies, picketing, and sit-ins4), their participants generally all make claims, either verbally (e.g., booing, or chanting) or non-verbally (e.g., holding protest banners, or occupying a symbolic place) (e.g., Tilly, 2000). Last, but not least, protests are political by

nature, that is, demonstrators engage in a power struggle (Fillieule, 1997: 41-43; Tilly, 2008). So, for example, hooligan meetings and suburban riots are not considered protests.

The first three characteristics have received some scholarly attention. For example, scholars have studied in which public places protesters prefer to stage their events (Salmenkari, 2009; Tilly, 2000), how protests differ in size (Verhulst, 2010; also see McPhail and McCarthy, 2004), and how collective claims-making may take form (Tarrow, 1989; Tilly, 2008). Although these studies are generally not comparative in nature, they shed some light on street protests. To the best of my knowledge, scholars have not devoted any attention, comparative or otherwise, to the fourth protest characteristic: its political nature. This is probably because, as Fillieule (1997: 42) put it, ‘the political nature of a demonstration is […] the most difficult to isolate’ (my translation). After all, ‘many events that at first sight seem non-political may indicate a sociopolitical crisis or be the occasion of its expression’ (Op cit.: 42-43, my translation), such as political burials. And while protests ‘translate into or open up the expression of demands of a political or social nature’ (Fillieule, 2012: 236), this may happen unintentionally (Ibid.). So, determining the political nature of a street demonstration

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poses a challenge. Still, I believe this is a challenge worth pursuing, given that politicization is considered the single most important protest feature (Fillieule, 1997: 42). So, the first empirical study of this dissertation seeks to unravel protest politicization.

PROTEST ACTORS

Street demonstrations bring together various actors, the most notable ones being

demonstrators5 (Favre, 1990: 20; Fillieule and Tartakowsky, 2008: 18). As the name suggests, demonstrators are people ‘who engage […] in a public demonstration’ (Merriam-Webster, n.d.). Worth noting is that demonstrators are not all the same (Favre, 1990: 19-20). First of all, ‘mere’ participants distinguish themselves from protest organizers, which are protesters ‘who try to convert a movement’s mobilization potential, that is, people who agree with the movement’s goals and ideas but have not yet acted upon them, into [protest] participants’ (Boekkooi, 2012: 2), and safety stewards, which are protesters who govern the event (Fillieule and Tartakowsky, 2008: 19). Secondly, demonstrators often ‘represent’ various social (sub)groups. For example, a protest rally against budget cuts on the Dutch public sector, staged in The Hague early 2011, consisted of various ‘types’ of civil servants, such as firemen, policemen, teachers, and social workers (Mijn Vakbond, 2011).

Still, whatever their role or background, protesters aim to prevent or promote social change on behalf of their group (Van Stekelenburg and Klandermans, 2009). As such, they engage in collective action and social movement participation at the same time. Collective action concerns ‘people’s acting together in pursuit of common interests’ (Tilly, 1978: 7; also see Fillieule, 1997: 38). Social movements are ‘collective challenges, based on common purposes and social solidarities, in sustained interaction with elites, opponents, and authorities’ (Tarrow, 2011: 9). So, the protest organizations that are part of a social movement (e.g., Greenpeace as a member of the environmental movement) may stage collective action activities to further their shared goals, one of which being the street demonstration.

While comparative research on collective action and social movements is extensive (for an overview see, e.g., Della Porta and Diani, 2006; Van Stekelenburg and Klandermans, 2010), this is not the case for the specific category of street protest. Admittedly, in the last decade, comparative research on protest participants has been on the rise, probably, amongst others, because of two international research projects: the ‘International Peace Protest Survey’

5 In this dissertation, I use the terms ‘demonstrator’, ‘protester’, and ‘protest participant’ interchangeably.

(IPPS)6 and ‘Caught in the act of protest: Contextualizing Contestation’ (CCC)7. Based on these (and other) data, scholars have systematically studied demonstrators’ political attitudes (Della Porta and Reiter, 2012; Klandermans, 2010), their demographics (Saunders, Grasso, Olcese, Rainsford, and Rootes, 2012; Walgrave, Rucht, and Van Aelst, 2010), their sense of group identification and empowerment (e.g., Drury, Cocking, Beale, Hanson, and Rapley, 2005; Klandermans, Sabucedo, Rodriguez, and De Weerd, 2002), and the effect of group identification and empowerment on demonstrators’ future action preparedness (Drury et al., 2005; Klandermans et al., 2002). Although these studies are insightful, they do not tell the full story of what protest participation is about.

The second and third empirical study of this dissertation aim to clarify this story by studying demonstrators’ perceptions of protest atmosphere. This concept has, to the best of my knowledge, not yet been scrutinized, while it is, in fact, referred to by scholars and protest actors alike (e.g., Drury et al., 2005; Fillieule, 1997). Knowing how demonstrators perceive the atmosphere of a protest event is relevant because it sheds light on demonstrators’ protest experiences, which are relatively understudied. What is more, the first of these two studies shows that demonstrators’ atmosphere perceptions influence their willingness to engage in future collective action over and above the variables that are known to play a role, such as group identification and empowerment. So, (perceived) protest atmosphere helps to explain sustained protest participation. This is another poorly understood phenomenon (e.g., Klandermans, 1997).

Another important protest actor is the police (Favre, 1990: 19, 21-24; Fillieule and Tartakowsky, 2008: 18), also known as ‘the strong arm of the state’ (e.g., Timmer, 2005: 54). This label refers to the police’s ‘monopoly of violence’, that is, their ability to use force against citizens, which other public organizations (except for the armed forces) lack (Naeyé, 2007). Like demonstrators, police officers are not all the same. That is to say, a street demonstration may be presented by different police units (e.g., riot police, mounted police, and/or dialogue police), which perform different duties. Still, when different police units are

6 IPPS sampled 11 anti-Iraq war protests that were staged in 8 different countries (Belgium, Germany, Italy, Spain, Switzerland, the Netherlands, the United Kingdom, and the United States) on February 15, 2003 (see Walgrave and Rucht, 2010b).

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poses a challenge. Still, I believe this is a challenge worth pursuing, given that politicization is considered the single most important protest feature (Fillieule, 1997: 42). So, the first empirical study of this dissertation seeks to unravel protest politicization.

PROTEST ACTORS

Street demonstrations bring together various actors, the most notable ones being

demonstrators5 (Favre, 1990: 20; Fillieule and Tartakowsky, 2008: 18). As the name suggests, demonstrators are people ‘who engage […] in a public demonstration’ (Merriam-Webster, n.d.). Worth noting is that demonstrators are not all the same (Favre, 1990: 19-20). First of all, ‘mere’ participants distinguish themselves from protest organizers, which are protesters ‘who try to convert a movement’s mobilization potential, that is, people who agree with the movement’s goals and ideas but have not yet acted upon them, into [protest] participants’ (Boekkooi, 2012: 2), and safety stewards, which are protesters who govern the event (Fillieule and Tartakowsky, 2008: 19). Secondly, demonstrators often ‘represent’ various social (sub)groups. For example, a protest rally against budget cuts on the Dutch public sector, staged in The Hague early 2011, consisted of various ‘types’ of civil servants, such as firemen, policemen, teachers, and social workers (Mijn Vakbond, 2011).

Still, whatever their role or background, protesters aim to prevent or promote social change on behalf of their group (Van Stekelenburg and Klandermans, 2009). As such, they engage in collective action and social movement participation at the same time. Collective action concerns ‘people’s acting together in pursuit of common interests’ (Tilly, 1978: 7; also see Fillieule, 1997: 38). Social movements are ‘collective challenges, based on common purposes and social solidarities, in sustained interaction with elites, opponents, and authorities’ (Tarrow, 2011: 9). So, the protest organizations that are part of a social movement (e.g., Greenpeace as a member of the environmental movement) may stage collective action activities to further their shared goals, one of which being the street demonstration.

While comparative research on collective action and social movements is extensive (for an overview see, e.g., Della Porta and Diani, 2006; Van Stekelenburg and Klandermans, 2010), this is not the case for the specific category of street protest. Admittedly, in the last decade, comparative research on protest participants has been on the rise, probably, amongst others, because of two international research projects: the ‘International Peace Protest Survey’

5 In this dissertation, I use the terms ‘demonstrator’, ‘protester’, and ‘protest participant’ interchangeably.

(IPPS)6 and ‘Caught in the act of protest: Contextualizing Contestation’ (CCC)7. Based on these (and other) data, scholars have systematically studied demonstrators’ political attitudes (Della Porta and Reiter, 2012; Klandermans, 2010), their demographics (Saunders, Grasso, Olcese, Rainsford, and Rootes, 2012; Walgrave, Rucht, and Van Aelst, 2010), their sense of group identification and empowerment (e.g., Drury, Cocking, Beale, Hanson, and Rapley, 2005; Klandermans, Sabucedo, Rodriguez, and De Weerd, 2002), and the effect of group identification and empowerment on demonstrators’ future action preparedness (Drury et al., 2005; Klandermans et al., 2002). Although these studies are insightful, they do not tell the full story of what protest participation is about.

The second and third empirical study of this dissertation aim to clarify this story by studying demonstrators’ perceptions of protest atmosphere. This concept has, to the best of my knowledge, not yet been scrutinized, while it is, in fact, referred to by scholars and protest actors alike (e.g., Drury et al., 2005; Fillieule, 1997). Knowing how demonstrators perceive the atmosphere of a protest event is relevant because it sheds light on demonstrators’ protest experiences, which are relatively understudied. What is more, the first of these two studies shows that demonstrators’ atmosphere perceptions influence their willingness to engage in future collective action over and above the variables that are known to play a role, such as group identification and empowerment. So, (perceived) protest atmosphere helps to explain sustained protest participation. This is another poorly understood phenomenon (e.g., Klandermans, 1997).

Another important protest actor is the police (Favre, 1990: 19, 21-24; Fillieule and Tartakowsky, 2008: 18), also known as ‘the strong arm of the state’ (e.g., Timmer, 2005: 54). This label refers to the police’s ‘monopoly of violence’, that is, their ability to use force against citizens, which other public organizations (except for the armed forces) lack (Naeyé, 2007). Like demonstrators, police officers are not all the same. That is to say, a street demonstration may be presented by different police units (e.g., riot police, mounted police, and/or dialogue police), which perform different duties. Still, when different police units are

6 IPPS sampled 11 anti-Iraq war protests that were staged in 8 different countries (Belgium, Germany, Italy, Spain, Switzerland, the Netherlands, the United Kingdom, and the United States) on February 15, 2003 (see Walgrave and Rucht, 2010b).

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deployed, they all share one single responsibility: maintaining public order8 (Adang, 2007; Favre, 1990: 21). Given that ‘public order […] is conflated with ‘the established order’’ (Scholl, 2010: 60), the police also preserve the status quo.

Previous research revealed that the more protests pose a threat to public order and/or the status quo, the more repressively they are policed (Davenport, 2007; Earl and Soule, 2006; Warner and McCarthy, 2014). Such threats, that is, from the perspective of the police and/or the establishment, do not only explain variation in the police handling of protest between events, but also changes in protest policing styles over time.

Three of such changes have been identified across Western democracies. Until well into the twentieth century, protests were generally policed by ‘escalated force’ (McPhail, Schweingruber, and McCarthy, 1998), a repressive policing style that relied on excessive force to prevent demonstrators from taking the streets (Ibid.). In the 1980s, escalated force was largely replaced by a more facilitatory policing style called ‘negotiated management’ (Ibid.). Under negotiated management, the police engaged in extensive two-sided communication with demonstrators and used the minimum force necessary (Ibid.). This relatively ‘soft’ policing style, however, proved inadequate to manage ‘transnational protests’ (Della Porta, Peterson, and Reiter, 2006; Gillham, 2011), which are demonstrations ‘that mainly address international targets and involve a substantive number of protesters from different countries’ (Della Porta and Tarrow, 2012: 126). These protests, which emerged around the turn of the century, were considered threatening by the establishment as well as the police, amongst others, because their participants often did not cooperate with the authorities (Fernandez, 2009: 53). So, to manage these events, Western police forces introduced a more ‘repressive policing style’ (Della Porta et al., 2006: 5) called ‘strategic incapacitation’ (Noakes, Klocke, and Gillham, 2005), which is characterized by, inter alia, the use of less-lethal weapons (e.g., tear gas), extensive surveillance, and the control of space (Gillham, 2011).

Seemingly, the latest development is that strategic incapacitation has diffused from transnational protests to national protests9 that pose a threat to the establishment and/or police forces (Della Porta and Zamponi, 2013; Gillham, 2011). However, research on the matter is rare, and findings are inconsistent for Europe. That is to say, on the old continent, strategic incapacitation was only witnessed at a few protests (Della Porta and Zamponi, 2013); at

8 Public order concerns ‘the normal course of events in publically accessible places’ (Adang, 2007: 803). 9 National protests are protests that mainly address national targets (e.g., national governments or companies), and/or involve protesters from the country in which the protest is staged.

several others it was not (e.g., Stott, Scothern and Gorringe, 2013), or only in part (Wahlström, 2010). These findings may well be inconsistent, I gathered, because they are based on case studies, which do not compare protests of different threat levels. Arguably, the protests where strategic incapacitation was deployed may well have been more threatening than those where it was not. In other words, current research does not provide a systematic account of the use of strategic incapacitation to police national European protests. The last empirical paper of this dissertation seeks to remedy this deficiency by studying the police’s use of strategic incapacitation tactics at a large number of national European protests, which constituted different levels of threat.

RESEARCH QUESTIONS AND DESIGNS

The research question of the first empirical study of this dissertation is: How do street

protests differ in their level of politicization?

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deployed, they all share one single responsibility: maintaining public order8 (Adang, 2007; Favre, 1990: 21). Given that ‘public order […] is conflated with ‘the established order’’ (Scholl, 2010: 60), the police also preserve the status quo.

Previous research revealed that the more protests pose a threat to public order and/or the status quo, the more repressively they are policed (Davenport, 2007; Earl and Soule, 2006; Warner and McCarthy, 2014). Such threats, that is, from the perspective of the police and/or the establishment, do not only explain variation in the police handling of protest between events, but also changes in protest policing styles over time.

Three of such changes have been identified across Western democracies. Until well into the twentieth century, protests were generally policed by ‘escalated force’ (McPhail, Schweingruber, and McCarthy, 1998), a repressive policing style that relied on excessive force to prevent demonstrators from taking the streets (Ibid.). In the 1980s, escalated force was largely replaced by a more facilitatory policing style called ‘negotiated management’ (Ibid.). Under negotiated management, the police engaged in extensive two-sided communication with demonstrators and used the minimum force necessary (Ibid.). This relatively ‘soft’ policing style, however, proved inadequate to manage ‘transnational protests’ (Della Porta, Peterson, and Reiter, 2006; Gillham, 2011), which are demonstrations ‘that mainly address international targets and involve a substantive number of protesters from different countries’ (Della Porta and Tarrow, 2012: 126). These protests, which emerged around the turn of the century, were considered threatening by the establishment as well as the police, amongst others, because their participants often did not cooperate with the authorities (Fernandez, 2009: 53). So, to manage these events, Western police forces introduced a more ‘repressive policing style’ (Della Porta et al., 2006: 5) called ‘strategic incapacitation’ (Noakes, Klocke, and Gillham, 2005), which is characterized by, inter alia, the use of less-lethal weapons (e.g., tear gas), extensive surveillance, and the control of space (Gillham, 2011).

Seemingly, the latest development is that strategic incapacitation has diffused from transnational protests to national protests9 that pose a threat to the establishment and/or police forces (Della Porta and Zamponi, 2013; Gillham, 2011). However, research on the matter is rare, and findings are inconsistent for Europe. That is to say, on the old continent, strategic incapacitation was only witnessed at a few protests (Della Porta and Zamponi, 2013); at

8 Public order concerns ‘the normal course of events in publically accessible places’ (Adang, 2007: 803). 9 National protests are protests that mainly address national targets (e.g., national governments or companies), and/or involve protesters from the country in which the protest is staged.

several others it was not (e.g., Stott, Scothern and Gorringe, 2013), or only in part (Wahlström, 2010). These findings may well be inconsistent, I gathered, because they are based on case studies, which do not compare protests of different threat levels. Arguably, the protests where strategic incapacitation was deployed may well have been more threatening than those where it was not. In other words, current research does not provide a systematic account of the use of strategic incapacitation to police national European protests. The last empirical paper of this dissertation seeks to remedy this deficiency by studying the police’s use of strategic incapacitation tactics at a large number of national European protests, which constituted different levels of threat.

RESEARCH QUESTIONS AND DESIGNS

The research question of the first empirical study of this dissertation is: How do street

protests differ in their level of politicization?

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themselves more prominently at the reactive protest, which was expected to be more politicized than the ritual parade.

The second and the third empirical study of this dissertation posed the same questions, which were: How do demonstrators perceive protest atmosphere, and why?

To answer these questions, both studies start with a conceptualization of perceived protest atmosphere, which is the affective state that the protest environment induces.10 Other than that, the studies differ in their approach. In the second atmosphere study, I assessed demonstrators’ own atmosphere reports. These reports were provided on paper-and-pencil questionnaires during two Dutch protests that were expected to differ in (perceived) protest atmosphere: a rally against the Russian gay law (Amsterdam, 2013) and an anti-monarchy event (Amsterdam, 2013). To substantiate demonstrators’ atmosphere reports, the questionnaire also included measures on feelings and appraisals that were expected to relate to (perceived) protest atmosphere, such as group identification and perceived police aggression. Besides, I asked other protest actors to assess the atmosphere: researchers made field observations, organizers and police officers were interviewed, and media reports were gathered. Next to studying how demonstrators perceive protest atmosphere and why, the second study scrutinized whether demonstrators’ atmosphere perceptions shape their future

collective action preparedness. This assumption was based on previous research by Mehrabian and Russell (1974), which indicated that people’s behavior is shaped by their affective state. Also, research by Wood (2001) on peasant political mobilization in El Salvador between the 1970s and 1990s indicated that demonstrators’ sense of pride and pleasure stimulated their sustained collective action participation. To test my assumption, I employed questionnaire data on demonstrators’ atmosphere perceptions and their future action preparedness, amongst others.

In the third empirical study, I sought to understand how demonstrators perceive protest atmosphere in terms of intergroup conflict. To do so, I studied demonstrators’ evaluations of police-demonstrator interactions. This operationalization was based, amongst others, on previous research on (perceived) sport stadium atmosphere, which revealed that people’s atmosphere perceptions are mainly shaped by their interactions with other people. For my analyses, I used a multilevel dataset of 75 European street demonstrations (2009-13),

10 The third empirical study deploys a slightly different definition, being: ‘the affective state that people attribute to the idiosyncratic features of a demonstration.’

which was gathered by the CCC project. This extensive dataset, which included evaluations of 15,999 demonstrators, allowed me to discern different types of atmosphere perceptions. To determine why demonstrators perceive a particular atmosphere, I deployed data on demonstrators’ individual characteristics (e.g., protest experience) and those of the protest event they attended (e.g., police repression).

The research question of the fourth empirical study of this dissertation is: To what

extent has strategic incapacitation diffused to national European protests?

To answer this question, I again deployed the CCC dataset. This time, the dataset included 78 national European protests (2009-13). To take into account that the police’s use of strategic incapacitation would be related to the threat that a protest is believed to pose to them and/or the establishment, I first categorized the demonstrations under study into three threat levels, being: non-threatening, somewhat threatening, and threatening. For this categorization, I deployed information about the organizers’ (revolutionary) goals, and demonstrators’ previous participation in direct action and (young) age, which was derived from interviews with the protest organizers, and questionnaires that were completed by demonstrators (n = 16,098), respectively. While these indicators of a protest’s threat were drawn from the protest policing literature, I made sure to validate my typology. To do so, I assessed protest organizers’, demonstrators’, and researchers’ evaluations of cooperative and aggressive police behavior at the events under study. This exercise was based on the assumption that the police would be perceived as less cooperative and more aggressive at a more threatening event. After my threat categorization proved valid, I assessed to what extent the police deployed strategic incapacitation tactics (e.g., use of less-lethal weapons, and extensive surveillance) to manage the three types of events. For this assessment I used researchers’ and protest organizers’ direct observations.

OUTLINE OF THE DISSERTATION

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themselves more prominently at the reactive protest, which was expected to be more politicized than the ritual parade.

The second and the third empirical study of this dissertation posed the same questions, which were: How do demonstrators perceive protest atmosphere, and why?

To answer these questions, both studies start with a conceptualization of perceived protest atmosphere, which is the affective state that the protest environment induces.10 Other than that, the studies differ in their approach. In the second atmosphere study, I assessed demonstrators’ own atmosphere reports. These reports were provided on paper-and-pencil questionnaires during two Dutch protests that were expected to differ in (perceived) protest atmosphere: a rally against the Russian gay law (Amsterdam, 2013) and an anti-monarchy event (Amsterdam, 2013). To substantiate demonstrators’ atmosphere reports, the questionnaire also included measures on feelings and appraisals that were expected to relate to (perceived) protest atmosphere, such as group identification and perceived police aggression. Besides, I asked other protest actors to assess the atmosphere: researchers made field observations, organizers and police officers were interviewed, and media reports were gathered. Next to studying how demonstrators perceive protest atmosphere and why, the second study scrutinized whether demonstrators’ atmosphere perceptions shape their future

collective action preparedness. This assumption was based on previous research by Mehrabian and Russell (1974), which indicated that people’s behavior is shaped by their affective state. Also, research by Wood (2001) on peasant political mobilization in El Salvador between the 1970s and 1990s indicated that demonstrators’ sense of pride and pleasure stimulated their sustained collective action participation. To test my assumption, I employed questionnaire data on demonstrators’ atmosphere perceptions and their future action preparedness, amongst others.

In the third empirical study, I sought to understand how demonstrators perceive protest atmosphere in terms of intergroup conflict. To do so, I studied demonstrators’ evaluations of police-demonstrator interactions. This operationalization was based, amongst others, on previous research on (perceived) sport stadium atmosphere, which revealed that people’s atmosphere perceptions are mainly shaped by their interactions with other people. For my analyses, I used a multilevel dataset of 75 European street demonstrations (2009-13),

10 The third empirical study deploys a slightly different definition, being: ‘the affective state that people attribute to the idiosyncratic features of a demonstration.’

which was gathered by the CCC project. This extensive dataset, which included evaluations of 15,999 demonstrators, allowed me to discern different types of atmosphere perceptions. To determine why demonstrators perceive a particular atmosphere, I deployed data on demonstrators’ individual characteristics (e.g., protest experience) and those of the protest event they attended (e.g., police repression).

The research question of the fourth empirical study of this dissertation is: To what

extent has strategic incapacitation diffused to national European protests?

To answer this question, I again deployed the CCC dataset. This time, the dataset included 78 national European protests (2009-13). To take into account that the police’s use of strategic incapacitation would be related to the threat that a protest is believed to pose to them and/or the establishment, I first categorized the demonstrations under study into three threat levels, being: non-threatening, somewhat threatening, and threatening. For this categorization, I deployed information about the organizers’ (revolutionary) goals, and demonstrators’ previous participation in direct action and (young) age, which was derived from interviews with the protest organizers, and questionnaires that were completed by demonstrators (n = 16,098), respectively. While these indicators of a protest’s threat were drawn from the protest policing literature, I made sure to validate my typology. To do so, I assessed protest organizers’, demonstrators’, and researchers’ evaluations of cooperative and aggressive police behavior at the events under study. This exercise was based on the assumption that the police would be perceived as less cooperative and more aggressive at a more threatening event. After my threat categorization proved valid, I assessed to what extent the police deployed strategic incapacitation tactics (e.g., use of less-lethal weapons, and extensive surveillance) to manage the three types of events. For this assessment I used researchers’ and protest organizers’ direct observations.

OUTLINE OF THE DISSERTATION

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using their evaluations of police-demonstrator interactions. Chapter 5 contains the fourth empirical study of this dissertation, which focuses on the police’s use of strategic incapacitation to manage national European protests. The concluding chapter (Chapter 6) highlights the main findings of the four empirical studies, delineates their theoretical, methodological, and practical implications, as well as their possible limitations, and suggests avenues for future research.

REFERENCES

Adang, Otto M. J. 2007. ‘Openbareordehandhaving.’ Pp. 803-823 in Politie: Studies over

Haar Werking en Organisatie, edited by Cyrille J.C.F. Fijnaut, Erwin R. Muller, Uri Rosenthal, and Edward J. van der Torre. Deventer, NL: Kluwer.

Boekkooi, Marije. 2012. Mobilizing Protest: The Influence of Organizers on Who Participates

and Why. PhD Dissertation, Vrije Universiteit Amsterdam.

Davenport, Christian. 2007. ‘State Repression and Political Order.’ Annual Review of Political

Science 10: 1-23.

Della Porta, Donatella, and Mario Diani. 2006. Social Movements: An Introduction (second edition). Malden, MA, Oxford, UK, and Victoria, AU: Blackwell Publishing.

Della Porta, Donatella, Abby Peterson and Herbert Reiter. 2006. ‘Policing Transnational Protest: An Introduction.’ Pp. 1-12 in The Policing of Transnational Protest, edited by Donatella della Porta, Abby Peterson, and Herbert Reiter. Burlington, VT: Ashgate. Della Porta, Donatella, and Herbert Reiter. 2012. ‘Desperately Seeking Politics: Political

Attitudes of Participants of Three Demonstrations for Workers Rights in Italy.’

Mobilization: An International Quarterly 17 (3): 349-361.

Della Porta, Donatella, and Sidney Tarrow. 2012. ‘Interactive Diffusion: The Coevolution of Police and Protest Behavior with an Application to Transnational Contention.’

Comparative Political Studies 45 (1): 119-152.

Della Porta, Donatella and Lorenzo Zamponi. 2013. ‘Protest and Policing on October 15th, Global Day of Action: the Italian Case.’ Policing and Society: An International

Journal of Research and Policy 23 (1): 65-80.

Drury, John, Cristopher Cocking, Joseph Beale, Charlotte Hanson, and Faye Rapley. 2005. ‘The Phenomenology of Empowerment in Collective Action.’ British Journal of Social

Psychology 44 (3): 309–328.

Earl, Jennifer, and Sarah A. Soule. 2006. ‘Seeing Blue: A Police-Centered Explanation of Protest Policing.’ Mobilization: An International Quarterly 11 (2): 145-164.

Embregts, M.C.D. and J. Nieuwenhuys. 2007. Demonstreren Staat Vrij: Veelgestelde Vragen

van Demonstranten. The Hague, NL: De Nationale Ombudsman.

Favre, Pierre. 1990. ‘Manifester en France Au-jourd’hui.’ Pp. 11-65 in La Manifestation, edited by Pierre Favre. Paris, FR: Presses de la Fondation Nationale des Sciences Politiques.

Fernandez, Luis A. 2009. Policing Dissent: Social Control and the Anti-Globalization

Movement. New Brunswick, NJ, and London, UK: Rutgers University Press.

Fillieule, Olivier. 1997. Stratégies de la Rue: Les Manifestations en France. Paris, FR: Presses de Sciences Po.

Fillieule, Olivier. 2012. ‘The Independent Psychological Effects of Participation in Demonstrations.’ Mobilization: An International Quarterly 17 (3): 235-248.

Fillieule, Olivier, and Danielle Tartakowsky. 2008. La Manifestation. Paris, FR: Presses de la Fondation Nationale des Sciences Politiques.

Gillham, Patrick F. 2011. ‘Securitizing America: Strategic Incapacitation and the Policing of Protest since the 11 September 2001 Terrorist Attacks.’ Sociology Compass 5/7: 636-652.

Gobierno de España. 2010. Anuario Estadístico del Ministerio del Interior. Retrieved January 13, 2014 (http://www. publicaionesoficiales.boe.es).

Goldstone, Jack A. 2003. ‘Introduction: Bridging Institutionalized and Noninstitutionalized Politics.’ Pp. 1-26 in States, Parties, and Social Movements, edited by Jack A. Goldstone. Cambridge, UK, New York, NY and Port Melbourne, AU: Cambridge University Press.

Klandermans, Bert. 1997. The Social Psychology of Protest. Oxford, UK and Cambridge, MA: Blackwell Publishers.

Klandermans, Bert. 2010. ‘Peace Demonstrations or Antigovernment Marches? The Political Attitudes of the Protesters.’ Pp. 61-77 in The World Says No to War: Demonstrations

Against the War on Iraq, edited by Stefaan Walgrave and Dieter Rucht. Minneapolis, MN: University of Minnesota Press.

Klandermans, Bert, Jose Manuel Sabucedo, Mauro Rodriguez, and Marga de Weerd. 2002. ‘Identity Processes in Collective Action Participation: Farmers’ Identity and Farmers’ Protest in the Netherlands and Spain.’ Political Psychology 23 (2): 235-251.

(12)

1

using their evaluations of police-demonstrator interactions. Chapter 5 contains the fourth empirical study of this dissertation, which focuses on the police’s use of strategic incapacitation to manage national European protests. The concluding chapter (Chapter 6) highlights the main findings of the four empirical studies, delineates their theoretical, methodological, and practical implications, as well as their possible limitations, and suggests avenues for future research.

REFERENCES

Adang, Otto M. J. 2007. ‘Openbareordehandhaving.’ Pp. 803-823 in Politie: Studies over

Haar Werking en Organisatie, edited by Cyrille J.C.F. Fijnaut, Erwin R. Muller, Uri Rosenthal, and Edward J. van der Torre. Deventer, NL: Kluwer.

Boekkooi, Marije. 2012. Mobilizing Protest: The Influence of Organizers on Who Participates

and Why. PhD Dissertation, Vrije Universiteit Amsterdam.

Davenport, Christian. 2007. ‘State Repression and Political Order.’ Annual Review of Political

Science 10: 1-23.

Della Porta, Donatella, and Mario Diani. 2006. Social Movements: An Introduction (second edition). Malden, MA, Oxford, UK, and Victoria, AU: Blackwell Publishing.

Della Porta, Donatella, Abby Peterson and Herbert Reiter. 2006. ‘Policing Transnational Protest: An Introduction.’ Pp. 1-12 in The Policing of Transnational Protest, edited by Donatella della Porta, Abby Peterson, and Herbert Reiter. Burlington, VT: Ashgate. Della Porta, Donatella, and Herbert Reiter. 2012. ‘Desperately Seeking Politics: Political

Attitudes of Participants of Three Demonstrations for Workers Rights in Italy.’

Mobilization: An International Quarterly 17 (3): 349-361.

Della Porta, Donatella, and Sidney Tarrow. 2012. ‘Interactive Diffusion: The Coevolution of Police and Protest Behavior with an Application to Transnational Contention.’

Comparative Political Studies 45 (1): 119-152.

Della Porta, Donatella and Lorenzo Zamponi. 2013. ‘Protest and Policing on October 15th, Global Day of Action: the Italian Case.’ Policing and Society: An International

Journal of Research and Policy 23 (1): 65-80.

Drury, John, Cristopher Cocking, Joseph Beale, Charlotte Hanson, and Faye Rapley. 2005. ‘The Phenomenology of Empowerment in Collective Action.’ British Journal of Social

Psychology 44 (3): 309–328.

Earl, Jennifer, and Sarah A. Soule. 2006. ‘Seeing Blue: A Police-Centered Explanation of Protest Policing.’ Mobilization: An International Quarterly 11 (2): 145-164.

Embregts, M.C.D. and J. Nieuwenhuys. 2007. Demonstreren Staat Vrij: Veelgestelde Vragen

van Demonstranten. The Hague, NL: De Nationale Ombudsman.

Favre, Pierre. 1990. ‘Manifester en France Au-jourd’hui.’ Pp. 11-65 in La Manifestation, edited by Pierre Favre. Paris, FR: Presses de la Fondation Nationale des Sciences Politiques.

Fernandez, Luis A. 2009. Policing Dissent: Social Control and the Anti-Globalization

Movement. New Brunswick, NJ, and London, UK: Rutgers University Press.

Fillieule, Olivier. 1997. Stratégies de la Rue: Les Manifestations en France. Paris, FR: Presses de Sciences Po.

Fillieule, Olivier. 2012. ‘The Independent Psychological Effects of Participation in Demonstrations.’ Mobilization: An International Quarterly 17 (3): 235-248.

Fillieule, Olivier, and Danielle Tartakowsky. 2008. La Manifestation. Paris, FR: Presses de la Fondation Nationale des Sciences Politiques.

Gillham, Patrick F. 2011. ‘Securitizing America: Strategic Incapacitation and the Policing of Protest since the 11 September 2001 Terrorist Attacks.’ Sociology Compass 5/7: 636-652.

Gobierno de España. 2010. Anuario Estadístico del Ministerio del Interior. Retrieved January 13, 2014 (http://www. publicaionesoficiales.boe.es).

Goldstone, Jack A. 2003. ‘Introduction: Bridging Institutionalized and Noninstitutionalized Politics.’ Pp. 1-26 in States, Parties, and Social Movements, edited by Jack A. Goldstone. Cambridge, UK, New York, NY and Port Melbourne, AU: Cambridge University Press.

Klandermans, Bert. 1997. The Social Psychology of Protest. Oxford, UK and Cambridge, MA: Blackwell Publishers.

Klandermans, Bert. 2010. ‘Peace Demonstrations or Antigovernment Marches? The Political Attitudes of the Protesters.’ Pp. 61-77 in The World Says No to War: Demonstrations

Against the War on Iraq, edited by Stefaan Walgrave and Dieter Rucht. Minneapolis, MN: University of Minnesota Press.

Klandermans, Bert, Jose Manuel Sabucedo, Mauro Rodriguez, and Marga de Weerd. 2002. ‘Identity Processes in Collective Action Participation: Farmers’ Identity and Farmers’ Protest in the Netherlands and Spain.’ Political Psychology 23 (2): 235-251.

(13)

1

Street Demonstrations.’ International Sociology 29 (6): 493-503.

Johnston, Hank. 2011. States and Social Movements. Cambridge UK, and Malden, MA: Polity Press.

McPhail, Clark, and John McCarthy. 2004. ‘Who Counts and How: Estimating the Size of Protests.’ Contexts 3 (3): 12-18.

McPhail, Clark, David Schweingruber, and John D. McCarthy. 1998. ‘Policing Protest in the United States: 1960-1995.’ Pp. 49-69 in Policing Protest: The Control of Mass

Demonstrations in Western Democracies, edited by Donatella della Porta and Herbert Reiter. Minneapolis, MN, and London, UK: University of Minnesota Press.

Mehrabian, Albert, and James A. Russell. 1974. An Approach to Environmental Psychology. Cambridge, MA, and London, UK: MIT Press.

Merriam-Webster. n.d. ‘Demonstrator.’ Retrieved September 19, 2015 (http://www.merriam-webster.com/dictionary/demonstrator).

Meyer, David S., and Sidney Tarrow. 1998. ‘A Movement Society: Contentious Politics for a New Century.’ Pp. 1-28 in The Social Movement Society: Contentious Politics for the

New Century, edited by David S. Meyer and Sidney Tarrow. Lanham, MD: Rowman and Littlefield Publishers, Inc.

Mijn Vakbond. 2011. ‘Manifestatie ‘Samen Sterk voor Publiek Werk’.’ Published February 15. Retrieved September 19, 2015 (https://www.mijnvakbond.nl/Manifestatie-Samen-sterk-voor-publiek-werk).

Naeyé, Jan. 2007. ‘Het Politiële Geweldsmonopolie.’ Pp. 683-729 in Politie: Studies over

haar Werking en Organisatie, edited by Cyrille J.C.F. Fijnaut, Erwin R. Muller, Uri Rosenthal, and Edward J. van der Torre. Deventer, NL: Kluwer.

Noakes, John A., Brian V. Klocke, and Patrick F. Gillham. 2005. ‘Whose streets? Police and Protester Struggles over Space in Washington DC, 29-30 September 2001.’ Policing

and Society 15 (3): 235-254.

Przeworski, Adam, and Henry Teune. 1970. The Logic of Comparative Social Inquiry. New York, NY: Wiley-Interscience.

Rucht, Dieter. 1998. ‘The Structure and Culture of Collective Protest in Germany since 1950.’ Pp. 29-58 in The Social Movement Society: Contentious Politics for the New Century, edited by David S. Meyer, and Sidney Tarrow. Lanham, MD: Rowman and Littlefield Publishers, Inc.

Salmenkari, Taru. 2009. ‘Geography of Protest: Places of Demonstration in Buenos Aires and Seoul.’ Urban Geography 30 (3): 239-260.

Saunders, Clare, Maria Grasso, Cristiana Olcese, Emily Rainsford, and Cristopher Rootes. 2012. ‘Explaining Differential Protest Participation: Novices, Returners, Repeaters, and Stalwarts.’ Mobilization: An International Quarterly 17 (3): 263-280.

Scholl, Cristian. 2010. Two Sides of a Barricade: (Dis)order and Summit Protest in Europe. PhD Dissertation, University of Amsterdam.

Senatsverwaltung für Inneres und Sport. 2013. Verfassungsschutsbericht 2013. Retrieved September 16, 2015 (http://www.berlin.de/sen/inneres/suche.php?q=demonstration +&site=local).

Stott, Clifford, Martin Scothern and Hugo Gorringe. 2013. ‘Advances in Liaison Based Public Order Policing in England: Human Rights and Negotiating the Management of Protest?’ Policing 7 (2): 212-226.

Tarrow, Sidney. 1989. Democracy and Disorder: Protest and Politics in Italy, 1965-1975. Oxford, UK: Clarendon Press.

Tarrow, Sidney. 2011. Power in Movement: Social Movements and Contentious Politics (third edition). New York, NY: Cambridge University Press.

Tilly, Charles. 1978. From Mobilization to Revolution. Reading, MA: Addison-Wesley. Tilly, Charles. 2000. ‘Spaces of Contention.’ Mobilization: An International Quarterly 5 (2):

135-159.

Tilly, Charles. 2008. Contentious Performances. New York, NY: Cambridge University Press. Timmer, Jaap. 2005. Politiegeweld: Geweldgebruik Van en Tegen de Politie in Nederland.

Alphen aan den Rijn, NL: Kluwer.

Van Aartsen, Jozias J. 2014. Letter on ‘demonstration policy’ directed to the chairman of the ‘management committee’. Dated August 20. Retrieved September 22, 2015

(http://www.google.nl/url?sa=t&rct=j&q=&esrc=s&frm=1&source=web&cd=2&ved= 0CCUQFjABahUKEwj3t--n8orIAhUD_nIKHXTwDUE&url=http%3A%2F%2F www.denhaag.nl%2Fweb%2Fwcbservlet%2Fcom.gxwebmanager.gxpublic.risbis.files ervlet%3Ffileid%3D7ed0b882-d575-40b1-9cbf-514ef70ec711&usg=AFQjCNEeb QIe6tydn75bkT-rj6RHV WBPnw&sig2=d5eqr_iy015dAV2NY9DTeg).

Van Stekelenburg, Jacquelien, and Bert Klandermans. 2009. ‘Social Movement Theory: Past, Present, and Prospect.’ Pp. 17-44 in Movers and Shakers: Social Movements in Africa, edited by Ineke van Kessel and Stephen Ellis. Leiden, NL: Brill.

Van Stekelenburg, Jacquelien, and Bert Klandermans. 2010. ‘Individuals in Movements: A Social Psychology of Contention.’ Pp. 157–204in Handbook of Social Movements

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1

Street Demonstrations.’ International Sociology 29 (6): 493-503.

Johnston, Hank. 2011. States and Social Movements. Cambridge UK, and Malden, MA: Polity Press.

McPhail, Clark, and John McCarthy. 2004. ‘Who Counts and How: Estimating the Size of Protests.’ Contexts 3 (3): 12-18.

McPhail, Clark, David Schweingruber, and John D. McCarthy. 1998. ‘Policing Protest in the United States: 1960-1995.’ Pp. 49-69 in Policing Protest: The Control of Mass

Demonstrations in Western Democracies, edited by Donatella della Porta and Herbert Reiter. Minneapolis, MN, and London, UK: University of Minnesota Press.

Mehrabian, Albert, and James A. Russell. 1974. An Approach to Environmental Psychology. Cambridge, MA, and London, UK: MIT Press.

Merriam-Webster. n.d. ‘Demonstrator.’ Retrieved September 19, 2015 (http://www.merriam-webster.com/dictionary/demonstrator).

Meyer, David S., and Sidney Tarrow. 1998. ‘A Movement Society: Contentious Politics for a New Century.’ Pp. 1-28 in The Social Movement Society: Contentious Politics for the

New Century, edited by David S. Meyer and Sidney Tarrow. Lanham, MD: Rowman and Littlefield Publishers, Inc.

Mijn Vakbond. 2011. ‘Manifestatie ‘Samen Sterk voor Publiek Werk’.’ Published February 15. Retrieved September 19, 2015 (https://www.mijnvakbond.nl/Manifestatie-Samen-sterk-voor-publiek-werk).

Naeyé, Jan. 2007. ‘Het Politiële Geweldsmonopolie.’ Pp. 683-729 in Politie: Studies over

haar Werking en Organisatie, edited by Cyrille J.C.F. Fijnaut, Erwin R. Muller, Uri Rosenthal, and Edward J. van der Torre. Deventer, NL: Kluwer.

Noakes, John A., Brian V. Klocke, and Patrick F. Gillham. 2005. ‘Whose streets? Police and Protester Struggles over Space in Washington DC, 29-30 September 2001.’ Policing

and Society 15 (3): 235-254.

Przeworski, Adam, and Henry Teune. 1970. The Logic of Comparative Social Inquiry. New York, NY: Wiley-Interscience.

Rucht, Dieter. 1998. ‘The Structure and Culture of Collective Protest in Germany since 1950.’ Pp. 29-58 in The Social Movement Society: Contentious Politics for the New Century, edited by David S. Meyer, and Sidney Tarrow. Lanham, MD: Rowman and Littlefield Publishers, Inc.

Salmenkari, Taru. 2009. ‘Geography of Protest: Places of Demonstration in Buenos Aires and Seoul.’ Urban Geography 30 (3): 239-260.

Saunders, Clare, Maria Grasso, Cristiana Olcese, Emily Rainsford, and Cristopher Rootes. 2012. ‘Explaining Differential Protest Participation: Novices, Returners, Repeaters, and Stalwarts.’ Mobilization: An International Quarterly 17 (3): 263-280.

Scholl, Cristian. 2010. Two Sides of a Barricade: (Dis)order and Summit Protest in Europe. PhD Dissertation, University of Amsterdam.

Senatsverwaltung für Inneres und Sport. 2013. Verfassungsschutsbericht 2013. Retrieved September 16, 2015 (http://www.berlin.de/sen/inneres/suche.php?q=demonstration +&site=local).

Stott, Clifford, Martin Scothern and Hugo Gorringe. 2013. ‘Advances in Liaison Based Public Order Policing in England: Human Rights and Negotiating the Management of Protest?’ Policing 7 (2): 212-226.

Tarrow, Sidney. 1989. Democracy and Disorder: Protest and Politics in Italy, 1965-1975. Oxford, UK: Clarendon Press.

Tarrow, Sidney. 2011. Power in Movement: Social Movements and Contentious Politics (third edition). New York, NY: Cambridge University Press.

Tilly, Charles. 1978. From Mobilization to Revolution. Reading, MA: Addison-Wesley. Tilly, Charles. 2000. ‘Spaces of Contention.’ Mobilization: An International Quarterly 5 (2):

135-159.

Tilly, Charles. 2008. Contentious Performances. New York, NY: Cambridge University Press. Timmer, Jaap. 2005. Politiegeweld: Geweldgebruik Van en Tegen de Politie in Nederland.

Alphen aan den Rijn, NL: Kluwer.

Van Aartsen, Jozias J. 2014. Letter on ‘demonstration policy’ directed to the chairman of the ‘management committee’. Dated August 20. Retrieved September 22, 2015

(http://www.google.nl/url?sa=t&rct=j&q=&esrc=s&frm=1&source=web&cd=2&ved= 0CCUQFjABahUKEwj3t--n8orIAhUD_nIKHXTwDUE&url=http%3A%2F%2F www.denhaag.nl%2Fweb%2Fwcbservlet%2Fcom.gxwebmanager.gxpublic.risbis.files ervlet%3Ffileid%3D7ed0b882-d575-40b1-9cbf-514ef70ec711&usg=AFQjCNEeb QIe6tydn75bkT-rj6RHV WBPnw&sig2=d5eqr_iy015dAV2NY9DTeg).

Van Stekelenburg, Jacquelien, and Bert Klandermans. 2009. ‘Social Movement Theory: Past, Present, and Prospect.’ Pp. 17-44 in Movers and Shakers: Social Movements in Africa, edited by Ineke van Kessel and Stephen Ellis. Leiden, NL: Brill.

Van Stekelenburg, Jacquelien, and Bert Klandermans. 2010. ‘Individuals in Movements: A Social Psychology of Contention.’ Pp. 157–204in Handbook of Social Movements

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Demonstrations Against the War on Iraq, edited by Stefaan Walgrave and Dieter Rucht. Minneapolis, MN: University of Minnesota Press.

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