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Using metadata from 39 studies of 11 countries, we explore the growth in returns to schooling during transition across Central and Eastern European countries, Russia, and China. China differs from the other countries in exhibiting a relatively slow increase in returns to schooling. We investigate the relative importance of the slow decay of the effects of wage grids compared to the return to the ability...
Objective: To determine whether clinical trials originating in certain countries always have positive results. Data sources: Abstracts of trials from Medline (January 1966–June 1995). Study selection: Two separate studies were conducted. The first included trials in which the clinical outcome of a group of subjects receiving acupuncture was compared to that of a group receiving placebo, no treatment,...
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