Previous studies indicate that Colombian farmers make production decisions based on informal sources of information, such as family and neighbors or tradition. In this paper we randomize recipients of price and climate information using text messages (SMS technology). Under this experimental...

We examine whether the Colombian government, when instituting and expanding social programs in the early nineties, inadvertently created incentives for people to become informal. We use data from repeated cross-sections of the Colombian Household Survey for periods before and after...

We document manipulation of a targeting system which used a poverty index score to determine eligibility for social welfare programs in Colombia, including health insurance. We show strategic behavior in the timing of the household interviews around local elections, and direct manipulation when...

We examine whether the Colombian government, when instituting and expanding social programs in the early nineties, inadvertently created incentives for people to become informal. We use data from repeated cross-sections of the Colombian Household Survey for periods before and after...