While public education is often intended to be progressive in its effects on income distribution, in reality its incidence is often skewed toward the rich. This paper argues that the extent of this bias is directly related to institutional weaknesses in governance. We present a simple dynamic...

In many developing countries, a significant part of economic activity takes place in the informal sector. Earlier work has examined the determinants of the size of the informal sector, focusing separately on factors such as tax and regulation burden, financial market development, and the quality...

Does the distribution of income within a country become more equal as it grows richer? This paper uses plausibly exogenous variations in trade-weighted world income and international oil price shocks as instruments for within-country variations in countries real GDP per capita to examine this...

Evidence from historical and epidemiological literatures show that epidemics tend to spread in the population according to a logistic pattern. We conjecture that the impact of new technologies on output follows a pattern of spread not unlike that of typical epidemics. After reaching a critical...

This paper analyzes the behavior of current account deficits in Africa and estimates whether the deficits are excessive with respect to fundamentals. The findings are the deficits are (i) not very persistent; (ii) positively linked with domestic growth; (iii) strongly linked with public (and...

This paper extends Grossman and Helpman’s seminal work (1991), and presents an endogenous growth model where innovations created in a high-tech sector may be assimilated or adapted by a low-tech sector. Applying a simple Heckscher-Ohlin framework, the effects of technological diffusion are...