"Theories of poverty traps stand in sharp contrast to the view that anybody can make it through hard work and thrift. However, empirical detection of poverty traps is complicated by the lack of long panels, measurement error, and attrition. This paper shows how dynamic pseudo-panel methods can...

"Are natural resources a blessing or a curse? Bravo-Ortega and De Gregorio 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...

"The degree of mobility in incomes is often seen as an important measure of the equality of opportunity in a society and of the flexibility and freedom of its labor market. But estimation of mobility using panel data is biased by the presence of measurement error and non-random attrition from...

The report is the third in a series of reports that evolved from a collaboration between the local government of the City of Johannesburg, and the World Bank in 1999-2000 on the theme of local economic development. It presents the main findings of the 1999 World Bank informal sector survey,...

This paper tells a story about conditions in Tanzania's hidden economy, the parts of the natural resource sector often ignored in conventional economic analyses and studies, and makes recommendations for future policy actions. The paper draws primarily from extensive background studies...

The national accounts are the single most important source of information about the economy, and are widely used in all countries to assess economic performance and for policy analysis. However, the national accounts have a number of well-known shortcomings when it comes to treatment of the...

Lack of market integration has been a long-standing concern in China. The existing empirical evidence on the degree and trend in local protectionism and market fragmentation, has painted a mixed picture - some concluding to increasing fragmentation, others pointing at increasing integration....