Tweets and the Streets analyses the culture of the new protest movements of the 21st century. From the Arab Spring to the "indignados" protests in Spain and the Occupy movement, Paolo Gerbaudo examines the relationship between the rise of social media and the emergence of new forms of protest. Gerbaudo argues that activists' use of Twitter and Facebook does not fit with the image of a "cyberspace" detached from physical reality. Instead, social media is used as part of a project of re-appropriation of public space, which involves the assembling of different groups around "occupied" places such as Cairo's Tahrir Square or New York's Zuccotti Park. An exciting and invigorating journey through the new politics of dissent, Tweets and the Streets points both to the creative possibilities and to the risks of political evanescence which new media brings to the contemporary protest experience.

http://www.tacticalmediafiles.net/mmbase/attachments/5000/Tweets__the_Streets_Introduction.pdf

Markets and Freedoms

Tweets and the Streets: Social Media and Contemporary Activism

This chapter focuses on criteria and methods for ranking subsets of a set of objects. There are many situations in which rankings of individual objects suffice for classification or decision making purposes, but many other situations call for rankings that involve subsets of two or more objects. The chapter identifies contexts in which subset rankings are important and discusses a number of ways in which such rankings might be obtained.

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Ranking Sets of Objects

We consider the role of preferences in the assessment of an agent's freedom, visualized as the opportunity for choice After discussing several possible intuitive approaches to the problem, we explore an approach based on the notion of preference orderings that a reasonable person may possibly have Using different sets of axioms, we characterize the rules for ranking opportunity sets in terms of freedom We also show that certain axioms for ranking opportunity sets are incompatible

On preference and freedom

This paper examines the major economic contributions of Amartya Sen. Sen's contributions fall into three main areas: a philosophical critique of traditional economic assumptions, an attempt to build a more realistic economic science based on the notion of entitlements and human capabilities, and a long series of practical contributions to welfare economics that follow from the capabilities approach - how to measure poverty and inequality better, how to understand famine and hunger, the importance of gender in economic development, and the differences between economic development and economic growth. The paper concludes with a brief assessment of the significance of Sen's work.

Markets and Freedoms

Citations

Tweets and the Streets: Social Media and Contemporary Activism

Ranking Sets of Objects

On preference and freedom

The Economic Contributions of Amartya Sen

On diversity and freedom of choice

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