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We use a combination of continuum and car-following models to explore the potential impact of speed-controls on (i) decreasing travel times at times of congested flow; and (ii) increasing the safety of motorway flow approaching the site of an accident.

This chapter enquires into the contribution of two British writers, Herbert Somerton Foxwell and Henry Riverdale Grenfell, who elaborated upon the hints provided by Jevons towards a description of long waves in the oscillations of prices. Writing two decades after Jevons, they witnessed the era of high prices turning into the great depression of the last quarter of the nineteenth century, the causes of which they saw in the end of bimetallism. Not only did they take up Jevons’s specific explanation of the long fluctuations, but they also based their discussion upon graphical representation of data and incorporated in their treatment a specific trait (the superposition principle) of the ‘waves’ metaphor emphasized by the Manchester statisticians in the 1850s and 1860s. Their contribution is also interesting for their understanding of crises versus depressions at the time of the emergence of the interpretation of oscillations as a cycle, which they have only partially grasped – as distinct from the approach of later long wave theorists.

Despite the abundant research on social movements, there is sparse scholarly investigation of the link between community settings and how they contribute to persistent protest participation. This paper illuminates the cultural and social mechanisms within a religious retirement community that engender members’ sustained commitment to a ten-year long peace protest. A shared religious-based collective identity also deepens activists’ commitment to this cause. This study draws on semi-structured interviews with 14 peace protesters who reside in this community at two points in time: 2010 and 2013.

Age has not received much attention in the literature on social movements, but it is an important part of human identity. Like other people, activists engage in age-related “identity work.” By studying age dynamics – cooperation and conflict between and among age-based groups – we can learn about collective identity and conflict. This chapter examines age-related discourse and interaction in the feminist movement in Argentina. As the movement has grown and gained momentum over the past 15 years, younger women have joined movement pioneers. Drawing on data from interviews with activists and participant observation in Buenos Aires during three periods (1998, 2001–2003, and 2011), the study examines narratives as an aspect of age-related identity work. While discourse about distance and conflict were common in the earlier periods, when the movement’s pioneers dominated, narratives about cooperation and respect surfaced in the later period as young women shared the movement with older ones. In movements with multiple age-based cohorts, age gains salience with interaction.

This contribution conceptualizes the politicization of MNCs from outside – the processes by which MNCs become confronted with demands for regulation and engage in political contestation with other non-state actors. It compares two global industries, athletic footwear and toys, to show that the dynamics of politicization follow different trajectories, which are only partially to explain with structural differences across industry fields. If politicization leads to increasing political functioning of business or to a depoliticization of criticism depends to a great extend on the agency of business and their capacity to strategically counter mobilization, but also on the difficulties for activist to construct continuing collective action across a diverse range of cultural-institutional settings.