central tenets of Islam. To establish causality, we exploit variation in the length of the fasting period due to the rotating …

across the world. We do so by calculating how many years ago these technologies were used in the U.S. at the same intensity …

of life deep into the 18th century. Does world market integration breed more or less commodity price volatility? The … been associated with much greater commodity price volatility, while world market integration associated with peace and pro … never been constant. Globalization increased poor country specialization in commodities when the world went open after the …

The rise in world trade since 1970 has raised international mobility of labor services. We study the effect of such a … globalization of the world's labor markets. We find that when people can choose between wage work and managerial work, the output …

What obstacles prevent the most productive technologies from spreading to less developed economies from the world … distances between populations, and document how such distances, relative to the world's technological frontier, act as barriers …