We assemble a new global database on motor vehicle travel speed in over 1,200 large cities in 152 countries. We then estimate comparable city-level indices of travel speed and congestion. Most of the variation in urban travel speed is across countries, not within. National income per capita...

This paper conducts counterfactual historical analysis of several monetary policy rules by contrasting actual settings of instrument variables with values that would have been specified by the rules in response to prevailing conditions. Of particular interest is whether major policy mistakes,...

Recent trade and wages literature focuses on whether trade or technology has been the major source of increases in wage inequality in OECD countries since the 1980s. In this literature, no attention has been paid to demand side considerations. Using a simple heterogeneous goods trade model of...

Although the college-high school wage gap for younger men has doubled over the past 30 years, the gap for older men has remained nearly constant. We argue that these shifts reflect changes in the relative supply of highly-educated workers across age groups. Cohorts born in the first half of the...