"The authors compare the two merger control systems currently employed worldwide: a mandatory system based on merger size threshold and a voluntary system with ex-post monitoring and fines. The voluntary system possesses two informational advantages: (i) the enforcement agency employs more...

"Expanding and improving basic education in developing countries requires, at a minimum, teachers who are present in the classroom and motivated to teach, but this essential input is often missing. This paper describes the findings of a series of recent World Bank and other studies on teacher...

"The authors report results from a randomized evaluation of a merit scholarship program for adolescent girls in Kenya. Girls who scored well on academic exams received a cash grant and had school fees paid. Girls eligible for the scholarship showed significant gains in academic examination...

Yemen is planning to export gas through Yemen Liquefied Natural Gas (YLNG) starting from 2009. Yemen is also aiming to develop the domestic gas market, in particular gas-to-power. Liquefied Natural Gas (LNG) export revenue and domestic gas sales are expected to partially offset the decline in...

"The challenge for labor market policy in the transition economies has been to redress the sharp drops in employment and rises in unemployment in a way that fosters the creation of productive jobs. The authors first document the magnitude and productivity of job and worker reallocation. Then...

"The authors follow the Hellerstein, Neumark, and Troske (1999) framework to estimate marginal productivity differentials and compare them with estimated relative wages. The analysis provides evidence on productivity and nonproductivity-based determinations of wages. Special emphasis is given to...

The level of informality in Colombia's labor market is high and persistent. When measuring informality of workers in terms of their contributions to health insurance and pension systems, 74.2 percent of all Colombian labor force was considered informal in 2008. The informality debate has taken...

This Ukraine Jobs Study aims to 1) assess labor market performance in the Ukraine, 2) identify key constraints to job creation, and suggest policies that will foster job creation and productivity. The study finds that, despite relatively low unemployment, the labor market is depressed and...