This research examines the economic origins of Islam and uncovers two empirical regularities. First, Muslim countries, virtual countries and ethnic groups, exhibit highly unequal regional agricultural endowments. Second, Muslim adherence is systematically larger along the pre-Islamic trade...

We build a simple model of legal dualism in which a pro-poor legal reform, under certain conditions, causes the conflicting custom to go some way toward producing the change intended by the legislator. It then acts as an "outside anchor" that exerts a "magnet effect" on the custom. We illustrate...

We explore theoretically and empirically whether social interaction, including local and global interaction, influences the incidence of corruption. We first present an interaction-based model on corruption that predicts that the level of corruption is positively associated with social...

The informal sector is an extensive phenomenon in developing countries. While some of its implications have drawn considerable attention in the literature, one relatively unexplored aspect has to do with the saving patterns of workers and firms and how these might influence aggregate savings and...

This paper analyzes the aggregate effects of a revenue neutral fiscal-cumsocial policy reform in a typical developing country that consists of two main changes: (1) the implementation of universal social insurance to replace the current dual social protection system (i.e., a reconfiguration of...

This paper describes the reforms aimed at simplifying the administrative procedures for labor registration and the payment of social security contributions that were carried out in Argentina in 2005 and 2007. Analysis of the legislation, as well as a survey conducted among accountants, reveals...

Merit-based selection of bureaucrats is central to state capacity building, yet rare in developing countries. Most executives instead favor patronage -political discretion- in public employment. This paper proposes and tests an original theory to explain when executives forsake patronage for...

Over the last two decades Mexico has had an open trade regime, experienced macroeconomic stability, and made substantial progress in education. However, average workers¿ earnings have stagnated and earnings for workers with more schooling have declined, compressing the earnings distribution and...