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 clientelism to flourish....

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...

We develop a political economy model where some politicians have a comparative advantage in undertaking a task and this gives them an electoral advantage. This creates an incentive to underperform in the task in order to maintain their advantage. We interpret the model in the context of fighting...

We propose a framework to explain why some societies may end up with different constitutional solutions to the problem of maintaining order in the face of self-interested behavior. Though the salient intellectual tradition since Hobbes has focused on how institutional design is used to eradicate...

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...

High-powered incentives for the military and security services have become a common counterinsurgency strategy over the last several decades. We investigate the use of such incentives for members of the Colombian army in the long-running civil war against left-wing guerillas, and show that it...