We use a unique panel of retail prices spanning 123 cities in 79 countries from 1990 to 2005, to uncover six novel properties of long-run international price dispersion. First, at the PPP level, virtually all (91.6%) of price dispersion is attributed to service-sector wages, consistent with a...

How has publishing in top economics journals changed since 1970? Using a data set that combines information on all articles published in the top-5 journals from 1970 to 2012 with their Google Scholar citations, we identify nine key trends. First, annual submissions to the top-5 journals nearly...

We propose a new classification of experiments that captures the extent to which the experimental design and analysis are linked to economic theory. We then use this system to classify all published field experiments in the five top economics journals from 1975 to 2010. We find that the vast...

We investigate how increases in publication delays have affected the life-cycle of publications of recent Ph.D. graduates in economics. We construct a panel dataset of 14,271 individuals who were awarded Ph.D.s between 1986 and 2000 in US and Canadian economics departments. For this population...

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...

This paper presents a comparative analysis of the link between unionization and wage inequality in the U.S., the U.K., and Canada. Our main motivation is to see whether unionization can account for differences and trends in wage inequality in industrialized countries. We focus on the U.S., the...