Zhicheng has published several articles on economics, and in particular on the need to reform the way in which governments make "tax expenditures". Which is when a government hands out subsidies to favored taxpayers through tax breaks.
http://www-wds.worldbank.org/servlet/WDSContentServer/WDSP/IB/2006/05/23/000016406_20060523092056/Rendered/PDF/wps3927.pdf
