"Climate scientists have identified global warming as the most important environmental issue of our time, but it has taken over 20 years for the problem to penetrate the public discourse in even the most superficial manner. While some nations have done better than others, no nation has...

"A variety of theories of skill formation suggest that investments in schooling and other dimensions of human capital will have lower returns if children do not have adequate levels of cognitive and social skills at an early age. This paper analyzes the impact of a randomized cash transfer...

The report focuses on preschool, as an effective early childhood development (ECD) intervention, especially for improving the status of the poorest groups in Brazil's population. Because of data limitations, the focus is primarily on pre-schooling, with some discussions on day care, and other...

"Formal and informal commercial sex work is a way of life for many poor women in developing countries. Though sex workers have long been identified as crucial in affecting the spread of HIV/AIDS, particularly in Sub-Saharan Africa, the nature of sex-for-money transactions remains poorly...

Eighth in a series of annual reports comparing business regulations in 183 economies, Doing Business 2011 measures regulations affecting 10 areas of everyday business activity: starting a business, dealing with construction permits, employing workers, registering property, getting credit,...

"Innovation is key to technology adoption and creation, and to explaining the vast differences in productivity across and within countries. Despite the central role of the entrepreneur in the innovation process, data limitations have restricted standard analysis of the determinants of innovation...

"The authors examine the factors affecting the transition to self-employment in Bosnia and Herzegovina, using the World Bank Living Standard Measurement Survey panel household survey for the years 2001-2004. In the beginning of the sample, the country changed its legal framework, with the...