This paper analyses the role of social safety nets in the form of redistributional transfers and wage subsidies. It is argued that public welfare programs can be viewed as a crime-preventing or disruption-preventing devices because they tend to increase the opportunity cost of engaging in crime...

We use aggregate GDP data and within-country income shares for the period 1970-1998 to assign a level of income to each person in the world. We then estimate the gaussian kernel density function for the worldwide distribution of income. We compute world poverty rates by integrating the density...