My research interests encompass the economics of education, health economics, rural developments and urban transitions in China. Several of my papers are available for download below in pdf form. Given that I do not update this page often enough, please feel free to email your request for any of my papers. I welcome any comments and suggestions.

Closing the Gender Gap in Science: New Evidence from urban China

Are Genetic Markers of Interest for Economic Research?

When a Son is Born: The Impact of Fertility Patterns on Family Finance in Rural China , for the published version please follow this link to the journal website (subscription required).

Experimental Estimates of the Impacts of Class Size on Test Scores: Robustness and Heterogeneity , for the published version please follow this link to the journal website (subscription required).   The above paper presents a subset of findings that are reported in this earlier working paper Class Size and Student Achievement: Experimental Estimates of Who Benefits and Who Loses from Reductions

The Impact of Poor Health on Education: New Evidence Using Genetic Markers , for the published version please follow this link to the journal website (subscription required).

"Estimating Treatment Effects from Contaminated Multiperiod Education Experiments: The Dynamic Impacts of Class Size Reductions , for the published version please follow this link to the journal website (subscription required).
The above paper was previously circulated under the title "Estimating Dynamic Treatment from Project STAR" (November 2006).

Understanding the Role of Time-Varying Unobserved Ability Heterogeneity in Education Production, for the published version please follow this link to the journal website (subscription required)

Do Peers Affect Student Achievement in China’s Secondary Schools? , for the published version please follow this link to the journal website (subscription required).

Using Performance Incentives to Reward the Value Added of Educators: Theory and Evidence from China


The Interaction of Education and Housing Policies on the Ghettoization of Urban China (in Chinese, June 2009)

Educational Equity and Efficiency: Can We Have Both? (in Chinese)