Social media can be viewed as a social system where the currency is attention. People post content and interact with others to attract attention and gain new followers. In this paper, we examine the distribution of attention across a large sample of users of a popular social media site Twitter. Through empirical analysis of these data we conclude that attention is very unequally distributed: th...

PURPOSE The purpose of the study was to examine the association between income inequality and school violence and between the performance inequality and school violence in two international samples. METHODS The study used data from Trends in International Mathematics and Science Study 2011 and from the Central Intelligence Agency of United States which combined information about academic perf...

Although systematic evidence on the extent of spatial inequality in developing countries is still relatively scarce, a growing body of work documents the existence of such inequalities in countries in Africa, Asia, Europe, and Latin America (Kanbur and Venables 2005a, 2005b; Kanbur, Venables, and Wan 2006). Little consensus has emerged, however, on the causes of spatial inequality or the ways i...