Medical and public health innovations in the 1940s quickly resulted in significant health improvements around the world. Countries with initially higher mortality from infectious diseases experienced greater increases in life expectancy, population, and -- over the following 40 years -- social...

This paper constructs measures of the extent of ballot stuffing (fraudulent votes) and electoral coercion at the municipal level using data from Colombia's 1922 Presidential elections. Our main findings are that the presence of the state reduced the extent of ballot stuffing, but that of the...

This paper evaluates the impacts of increased coordination, accountability, and leadership among teams of responsible public officials, with evidence from homicide investigations in Colombia. We randomly assigned the investigations of 66% of the 1,683 homicides occurring in Bogotá, Colombia,...

English Abstract: We develop a model of the politics of state capacity building undertaken by incumbent parties that have a comparative advantage in clientelism rather than in public goods provision. The model predicts that, when challenged by opponents, clientelistic incumbents have the...