This paper provides evidence on household responses to the relaxation of one barrier constraining adoption of health practices - lack of information - in a resource constrained setting. It examines the effects of a randomized intervention in Malawi which provides mothers with information on...

This paper studies how patent rights and price regulation affect how fast new drugs are launched in different countries, using newly constructed data on launches of 642 new drugs in 76 countries for the period 1983-2002, and information on the duration and content of patent and price control...

We present a model of optimal contracting between a purchaser (a principal) and a provider (an agent). We assume that: a) providers differ in efficiency and there are two types of provider; b) efficiency is private information (adverse selection); c) providers are partially altruistic or...

In recent theories of comparative development the role of institutional differences has been crucial. Yet what explains comparative institutional evolution? We investigate this issue by studying the coffee exporting economies of Latin America. While homogeneous in many ways, they experienced...

Many international treaties come into force only after a minimum number of countries have signed and ratified the treaty. Why do countries agree to introduce a minimum participation constraint among the rules characterizing an international treaty? This question is particularly relevant in the...

This paper reviews recent developments in the study of the so-called "double dividend", i.e. the possibility of improving the environment and, at the same time, reducing the distortions of the tax system through revenue-neutral green taxes. Recent modeling advances are considered at both the...

The US decision not to ratify the Kyoto Protocol and the recent outcomes of the Bonn and Marrakech Conferences of the Parties has important implications for both the effectiveness and the efficiency of future climate policies. Among these implications, those related with technical change and...

The main aim of this paper is to estimate the extent to which the Federal Government of the United States insures member states against regional income shocks. We find that a one dollar reduction in a region's per capita personal income triggers a reduction in federal taxes of about 34 cents and...