This paper presents the results of a text based exploratory study of over 20,000 academic articles published in seven top research journals from 1960 - 2010. The goal is to investigate the general research foci of economists over the last fifty years, how (if at all) they have changed over time,...

A meta-analysis (MA) aggregates estimated effects from many studies to calculate a single, overall effect. There is no one, generally accepted procedure for how to do this. Several estimators are commonly used, though little is known about their relative performance. A complication arises when...

The authours use information gathered from 122 studies on the effects of high school diplomas on wages in different countries worldwide to carry out a meta-analysis that shows high school diplomas have a statistically significant effect on wages of nearly 8%. This effect varies whether the...