This research explores the economic causes and consequences of language structures. It advances the hypothesis and establishes empirically that variations in pre-industrial geographical characteristics that were conducive to higher return to agricultural investment, larger gender gap in...

This research explores the historical roots of the division of labor in pre-modern societies. It advances the hypothesis and establishes empirically that intra-ethnic diversity had a positive effect on the division of labor across ethnicities in the pre-modern era. Exploiting a variety of...

The Jobs of the World Project is a public resource designed to enable research on jobs and poverty across and within countries over the entire development spectrum. At its core is a new data set assembled by harmonising Demographic and Health Surveys (DHS) and National Censuses (IPUMS) for all...

This paper analyzes data from a novel field experiment designed to test the impact of twodifferent insurance products and a secret saving device on solidarity in risk-sharing groupsamong rural villagers in the Philippines. Risk is simulated by a lottery. Risk-sharing ispossible in solidarity...

This paper considers the statistical analysis of large panel data sets where even afterconditioning on common observed effects the cross section units might remain dependentlydistributed. This could arise when the cross section units are subject to unobserved commoneffects and/or if there are...

This paper estimates the impact of registering for taxes on firm profits in Bolivia, the countrywith the highest levels of informality in Latin America. A new survey of micro and small firmsenables us to control for a rich set of measures of owner ability and business motivations thatcan affect...

Few representative surveys of households of migrants exist, limiting our ability to study theeffects of international migration on sending families. We report the results of an experimentdesigned to compare the performance of three alternative survey methods in collecting datafrom...

We use data from over 20,000 firms in 60 countries to identify constraints on the growth offirms. We interpret managers´ answers to survey questions on the extent to which variousaspects of their external environment inhibit the performance of their firm as measuring theshadow cost of...

This paper explores the question: is working as a child harmful to an individual in terms ofadult outcomes in earnings? Though an extremely important question, little is known aboutthe effect of child labor on adult outcomes...

Both raw intuition and past experience suggest that the success of an employment guaranteescheme (EGS) in safeguarding the welfare of the poor depends both on the wage itpromises, and the ease with which any worker can gain access. An EGS is thus at once awage guarantee and a rationing device....