This paper provides a long-term view by studying the effect of the underground or shadow economy on economic growth in the Unites States over the period 1870 to 2014. Shadow activities might spur or retard economic growth depending on their interactions with the formal sector and impacts on the...

This paper surveys gender earnings gaps in Colombia from 1994 to 2006, using matching comparisons to examine the extent to which individuals with similar human capital characteristics earn different wages. Three sub-periods are considered: 1994-1998; 2000-2001; and 2002- 2006, corresponding to the...

How much can employers in low and middle-income countries suppress wages below marginal productivity? Using plant and customs data from Colombia, we exploit pre- determined variation across plants in sales export destination combined with variation in exchange rates to generate plant-specific...

A growing literature establishes that good teachers are essential for high quality educational systems. However, little is known about teachers' skills formation during their college years. In this paper we use a novel panel data set combining two standardized tests for Colombian students: one...

This paper presents a tractable formalization and an empirical investigation of the quality-complementarity hypothesis, the hypothesis that input quality and plant productivity are complementary in generating output quality. We embed this complementarity in a general-equilibrium trade model with...

This research explores the origins of the distribution of time preference across regions. It advances the hypothesis and establishes empirically, that geographical variations in natural land productivity and their impact on the return to agricultural investment have had a persistent effect on...

What are the long-term economic effects of a more equal distribution of wealth? We exploit variation in historical inheritance rules for land in Germany. In some German areas, inherited land was to be shared or divided equally among children, while in others land was ruled to be indivisible....

Exploiting a novel geo-referenced data set of population diversity across ethnic groups, this research advances the hypothesis and empirically establishes that variation in population diversity across human societies, as determined in the course of the exodus of humans from Africa tens of...