Are natural resources a blessing or a curse? The authors present a model in which natural resources have a positive effect on the level of income and a negative effect on its growth rate. The positive and permanent effect on income implies a welfare gain. There is a growth effect stemming from a...

This paper assesses the effects of knowledge on economic growth. By using an array of indicators, each of which represents an aspect of knowledge, as independent variables in cross-section regressions that span 92 countries for the period 1960 to 2000, they show that knowledge is a significant...

The challenge of sustaining economic growth over the long term is one that only a few countries have been able to surmount. Slowing momentum in countries like Malaysia and Thailand has led analysts and policy makers to consider what it would take to lift them out of middle-income status, where...

This paper presents empirical evidence of the profound and long-term damages from adverse natural events on poverty. It analyzes 30 years of macro-level damage data from disasters (including earthquakes, floods, and storms), according to income groups, and shows that low-income countries incur...

This paper studies the sharp increase in violence experienced in Mexico after 2006, known as The War on Drugs, and its effects on human capital accumulation. The upsurge in violence is expected to have direct effects on individuals schooling decisions, but not indirect effects, because there was...

Who benefits from public spending? Who bears the burden of taxation? How desirable is the distribution of net benefits from the operation of a tax-benefit system? This paper surveys basic concepts, methods, and modeling approaches commonly used to address these issues in the context of fiscal...

Drawing on a compilation of data from household surveys representing 130 countries, many over a period of 25 years, this paper reviews the evidence on levels and recent trends in global poverty and income inequality. It documents the negative correlations between both poverty and inequality...

This paper examines the country-level dynamics of long-run growth in Africa between 1975 and 2005. The authors examine how growth has affected mobility and the distribution of income among countries. They analyze changes in cross-country income structure and convergence, and look for evidence of...