This paper puts forth an explanation of the recent escalation of violent crime in Colombia. The paper considers three implicit models that isolate different types of externalities among criminals. In the first model criminals make crime more appealing to nearby residents by congesting the law...

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...

Social exclusion is closely linked with many economic problems in Latin America, as it prevents people from reaching their full productive potential -in turn constraining growth and revenues- and makes them more likely to incur public health and social service costs. Who's In and Who's Out...

Social exclusion is closely linked with many economic problems in Latin America, as it prevents people from reaching their full productive potential -in turn constraining growth and revenues- and makes them more likely to incur public health and social service costs. Who's In and Who's Out...