This paper makes analytical, methodological and empirical contributions to the literature on purchasing power parity. Purchasing power parities are required in a host of cross-country welfare comparisons, such as poverty rates and gross domestic product. The subject has recently generated much...

This paper proposes a new method for ex ante analysis of the poverty impacts arising from policy reforms. Three innovations underlie this approach. The first is the estimation of a global demand system using a combination of micro-data from household surveys and macro-data from the International...

This paper revisits four recent cross-country empirical studies on the effects of inequality on growth. All four studies report strongly significant negative effects, using the popular system generalized method of moments estimator that is frequently used in cross-country growth empirics. This...

This paper explores the impact of structural reforms on a comprehensive set of macro-level labor-market outcomes, including the unemployment rate, the average wage index, and overall and female employment levels and labor force participation rates. Together these outcome variables capture the...

Rates of return to investments in schooling have been estimated since the late 1950s. In the 60-plus year history of such estimates, there have been several attempts to synthesize the empirical results to ascertain patterns. This paper presents comparable estimates, as well as a database, that...

This paper introduces a new data set and establishes a set of basic facts and patterns regarding the trade that countries fight about under World Trade Organization (WTO) dispute settlement. The paper characterizes the scope of products, as well as the levels of and changes to the trade values,...

One of the most striking features of economic growth is the process of structural change whereby the share of agriculture in GDP decreases as countries develop. The cross-country growth literature typically estimates an aggregate homogeneous production function or convergence regression model...

The insurance sector can play a critical role in financial and economic development. By reducing uncertainty and the impact of large losses, the sector can encourage new investments, innovation, and competition. As financial intermediaries with long investment horizons, insurance companies can...

The influence of climate on economic growth is a topic of growing interest. Few studies have investigated the potential role that climate hazards and their cumulative effects have on the growth prospects for a country. Due to the relatively stationary spatial patterns of global climate, some...

This paper presents estimations of the shadow economies for 162 countries, including developing, Eastern European, Central Asian, and high-income countries over the period 1999 to 2006/2007. According to the estimations, the weighted average size of the shadow economy (as a percentage of...