It is standard in the literature on training to use wages as a sufficient statistic for productivity. But there are many reasons why wages and productivity may diverge. This paper is part of a smaller literature on the effects of work-related training on direct measures of productivity. We...

Since the publication of Kenneth Pomeranz’s seminal book The Great Divergence, the landscape of world and global history has changed dramatically. For the first time, living standards, instead of labour, land and capital productivities, have become the prime concern among historians in various...