China’s college expansion program, which was implemented in 1999 significantly increased the share of college-educated workers in the urban labor force. We find that returns to education were not responsive to changes in local skill supply be- tween then and 2009.

Understanding inequality and devising policies to alleviate it was a central focus of Jan Tinbergen's lifetime research. He was far ahead of his time in many aspects of his work.


The Oxford Series on Human Capital and Economic Opportunity will present state-of-the-art research from a variety of perspectives on the problems of opportunity, human flourishing, and public policy. Volumes in the series will be grouped in accordance with these themes and will be based on the work of HCEO members. In some cases, the volumes will contain research first presented at HCEO conferences, and in others will contain specially commissioned research. The series is published by the Oxford University Press.