This paper presents an explanation of the recent escalation of violent crime in Colombia. The author considers three implicit models, that isolate different types of externalities among criminals. He shows that a myriad empirical evidence - both statistical and anecdotal - lends support to these...

In this paper, social mobility is measured by looking at the extent to which family background determines socioeconomic success. Roughly speaking, social mobility can be measure by means of two distinct types of correlations: intergenerational correlations and sibling correlations.

The model presented in the paper generates important implications concerning how the allocation of resources between children varies across income groups. In the model, poor and middle-income families tend to channel their resources into a few children whereas rich families (and perhaps very...

This paper tests whether Rodrik`s (1999) results that institutions for conflict management are associated with the ability to react to economic shocks are robust to different ways of defining the quality of such institutions. We measure the quality of conflict management institutions with two...