This study explores the interaction between trade and geography in shaping the Islamic economic doctrine. We build a model where an unequal distribution of land quality in presence of trade opportunities conferred differential gains from trade across regions, fostering predatory behavior by...

This paper argues that rental market interactions allow small firms to increase their effective scale and mechanize production, even when each individual firm would be too small to invest in expensive machines. We conduct a novel survey of manufacturing firms in Uganda, which uncovers an active...

We examine how machine learning can be used to improve and understand human decision-making. In particular, we focus on a decision that has important policy consequences. Millions of times each year, judges must decide where defendants will await trial--at home or in jail. By law, this decision...

The sharing economy for a wide range of goods and services is expanding across the world. To direct the benefits from sharing capital services towards small-scale producers, governments in the developing world are increasingly intervening in fast-growing mechanization rental markets. However,...

Success of immigrants in the US measured by earnings or education varies dramatically by country of origin. For example, average educational attainment among immigrants ranges from 9 to 16 years, depending on origin country. Perhaps surprisingly, immigrants from Algeria have higher educational...

This paper presents evidence on whether multinationals are flocking to developing country 'pollution havens'. Although we find some evidence that foreign investors locate in sectors with high levels of air pollution, the evidence is weak at best. We then examine whether foreign firms pollute...

Is there any empirical evidence that firms become more efficient after becoming exporters? Do firms that become exporters generate positive spillovers for domestically-oriented producers? In this paper we analyze the causal links between exporting and productivity using firm-level panel data...