We develop a framework to analyze partial population experiments, a generalization of the cluster experimental design where clusters are assigned to different treatment intensities. Our framework allows for heterogeneity in cluster sizes and outcome distributions. We study the large-sample...

In many public policy areas, randomized policy experiments can greatly contribute to our knowledge of the effects of policies and can thus help to improve public policy. However, policy experiments are not very common. This paper studies whether a lack of appreciation for policy experiments...

In many public policy areas, randomized policy experiments can greatly contribute to our knowledge of the effects of policies and can thus help to improve public policy. However, policy experiments are not very common. This paper studies whether a lack of appreciation for policy experiments...

We study two early childhood programs in The Gambia for children between 0 and 3 years of age. The basic version of the program, called Baby Friendly Community Initiative (BFCI), provides parents with child health and nutrition information delivered through home visits and community meetings. A...

This paper analyzes the debate over the international dissemination of data exclusivity as a form of protection for clinical trial data. This is a critical demand for pharmaceutical companies seeking larger market shares and longer periods of monopoly in order to recover investments in research...