This paper presents estimates of world output growth from 1970 to 2000, the distribution of income among countries and persons for the years 1980, 1990 and 2000, and world poverty rates for the same years. It also presents the results of a series of simulation exercises that attempt isolate the...

This paper studies empirically the effects of and the interactions amongst economic and political liberalizations. Economic liberalizations are measured by a widely used indicator that captures the scope of the market in the economy, and in particular of policies towards freer international...

For analyzing the impact of climate change and of international climate policies on the international division of labor and on regional welfare the use of a disaggregated multi–sectoral, multi–regional dynamic computable general equilibrium model is appropriate. This paper discusses the...

In a report presented at the UN Conference on Financing for Development in March 2002, the World Bank claims that the effectiveness of its financial aid has improved substantially by targeting aid at poor developing countries pursuing sound economic policies. However, the World Bank's success...

In response to surging immigration pressure in Europe and the United States, Western policymakers advocate foreign aid as a means to fight the 'root causes' of irregular migration. This article provides the first global evidence of the effects of aid on migration preferences, migration flows,...

Many policymakers view power outages as a major constraint on firm productivity in developing countries. Yet empirical studies find modest short-run effects of outages on firm performance. This paper builds a dynamic macroeconomic model to study the long-run general-equilibrium effects of power...