This paper models how migration both influences and responds to differences in disease prevalence between cities, regions and countries, and show how the possibility of migration away from high-prevalence areas affects long-run steady state disease prevalence. We develop a dynamic framework...

This paper explores implications of the fact that individuals know more than the authorities about their risk of infection and can take migration decisions before their health status is publicly observable. In a 2-period model we study under which conditions the presence of quarantine measures...

Professor Elhauge’s arguments are used to motivate a vision of the priorities for antitrust enforcement that may be seriously misguided if his optimism is unfounded.

This paper studies asymmetry of information and transfers within a unique data set of 712 extended family networks from Tanzania. Using cross-reports on asset holdings, we construct measures of misperception of income among all pairs of households belonging to the same network. We show that...

We study food Engel curves among the poor population targeted by a conditional cash transfer programme in Colombia. After controlling for the endogeneity of total expenditure and for the (unobserved) variability of prices across villages, the best fit is provided by a log-linear specification....

This paper investigates how the permanent departure of the father from the household affects children's school enrolment and work participation in rural Colombia. Our results show that departure of the father decreases children's school enrolment by around 4 percentage points, and increases...

Is there a way of eliminating human smuggling? We set up a model to simultaneously determine the provision of human smuggling services and the demand from would-be migrants. A visa-selling policy may be successful at eliminating human smugglers by eroding their profits but it necessarily...

Is there a way of eliminating human smuggling? We set up a model to simultaneously determine the provision of human smuggling services and the demand from would-be migrants. A visa-selling policy may be successful at eliminating human smugglers by eroding their profits but it necessarily...

This paper studies migration decisions of very poor households in an environment with a high level of violence. By matching detailed retrospective data on violence levels in Colombian rural municipalities with a household survey collected for the evaluation of the "Familias en Acción" welfare...