The potential benefits of demand side interventions may leak into the profits of suppliers whenever there is market power. In those situations, governments could attempt to regulate the market or to increase competition. We provide the first experimental evidence on the effect of increased...

The potential benefits of demand side interventions may leak into the profits of suppliers whenever there is market power. In those situations, governments could attempt to regulate the market or to increase competition. We provide the first experimental evidence on the effect of increased...

This paper provides the first experimental evidence on the effect of increased competition on the prices and quality of goods. We rely on an intervention that randomized the entry of 61 retail firms (grocery stores) into 72 local markets in the context of a conditional cash transfer program that...

This paper analyzes a randomized experiment that uses novel strategies to promote handwashing with soap at critical times in Peru. It evaluates a large-scale intervention that includes a mass media provincial campaign and a district-level community component. The analysis finds that the mass...

The literature on aid and growth has not found a convincing instrumental variable to identify the causal effects of aid. This paper exploits an instrumental variable based on the fact that since 1987, eligibility for aid from the International Development Association (IDA) has been based partly...

Total factor productivity (TFP) in Latin America has not increased since the mid- 1970s, and in many countries it has declined. Moreover, resource misallocation can lower aggregate TFP. This paper presents evidence based on firm-level data from 10 Latin American countries to quantify the...

The laws that regulate relations between firms and workers in Mexico distinguish sharply between salaried and non-salaried workers, and they are at the root of the existence of informality. This paper provides a clear definition of informality, distinguishing it from illegality. Using Mexico's...

We examine the long-term impacts of drought on local labor markets in Brazil. Us- ing rainfall data going back over a century, we build contemporaneous and historical drought indices for more than 3,000 local areas, and examine them in conjunction with five waves of population census data...