This paper studies the impact of the level and volatility of the commodity terms of trade on economic growth, as well as on the three main growth channels: total factor productivity, physical capital accumulation, and human capital acquisition. We use the standard system GMM approach as well as...

This paper examines a two-sector aggregative growth model with human capital and educated unemployment. In the model, a tuition subsidy may lead to a long-run decline in the educated fraction of the population, because it may decrease the long-run per capita stock of physical capital in the...

The paper considers investment and growth in the Middle East and North Africa (MENA) region. Notwithstanding cross-country differences, investment as a whole has been too low, too heavily tilted toward the public sector, too highly dependent on external influences, and less productive than in...

This paper analyzes some of the lessons that can be drawn from the experience of Eastern Europe in the process of transition to a market economy that is under way, and examines some key challenges currently facing policymakers in these economies. The paper studies the constraints affecting the...

China has been growing at a spectacular rate in recent years, enabling per capita incomes to almost quadruple in only the last decade and a half This paper identifies the sources of economic growth in China from 1953 to 1994. While capital accumulation played an important role in China’s...

We start by arguing that to understand growth differences across countries and time, one needs to understand differences in public policies that affect the incentives for productive accumulation of capital, human capital, or technically useful knowledge. And to understand policy differences one...

This Selected Issues paper reviews public service reform in Ghana. The paper highlights that a range of public service reform initiatives have been undertaken in Ghana since the early 1980s. The public service in Ghana is composed of centrally managed agencies, ministries, subvented agencies,...

The paper investigates empirically the determinants of economic growth for a large sample of sub-Saharan African countries during 1981-92. The results indicate that (i) an increase in private investment has a relatively large positive impact on per capita growth; (ii) growth is stimulated by...

This paper examines the dynamics of economic growth. First, it demonstrates that the standard neoclassical growth model with constant elasticity of intertemporal substitution is not consistent with the patterns of development we observe in the real world, once we consider the initial conditions....

This paper analyses the role of social safety nets in the form of redistributional transfers and wage subsidies. It is argued that public welfare programs can be viewed as a crime-preventing or disruption-preventing devices because they tend to increase the opportunity cost of engaging in crime...