Since formal rules can only partially reduce opportunistic behavior, third-party sanctioning to promote fairness is critical to achieving desirable social outcomes. Social norms may underpin such behavior, but they can also undermine it. We study one such norm the "don't be a toad" norm, as it...

We describe some features of the political environment in Colombia, drawing from a unique panel dataset of about 10,000 households. Contrasting responses in 2013 and 2016, we document a persistent lack of interest in politics and prevailing clientelism, with personalistic links dominating...

Enduring violent conflict is the flip side of the coin of a weak state. In this article, I propose some political economy underpinnings for the persistence of conflict (and the weak state). Focusing on the case of Colombia, I discuss three broad sets of mechanisms that are also relevant...

We examine the long-term impact of violence on educational attainment, with evidence from Colombia's La Violencia. Individuals exposed to violence during, and especially before, their schooling years experience a significant and economically meaningful decrease in years of schooling. This impact...

This paper examines the role of mass media in countering special interest group influence. I use the concentration of campaign contributions from Political Action Committees to proxy special interests’ capture US Senate candidates from 1980 to 2002, and compare the reaction of voters to...

English Abstract: Development outcomes come in 'clusters' that seem difficult to exit. Using original data from Colombia, we present evidence of the interconnection between two critical political components: state weakness and clientelism. State weakness creates the right environment for...

Spanish Abstract: En agosto del 2019 se cumplieron dos años de la reincorporación de las Farc-EP. Este proceso es uno de los principales desafíos de la implementación del Acuerdo Final firmado entre el Estado colombiano y la organización guerrillera en noviembre de 2016. Los avances en...