Criminal Immigrants: Their Numbers, Demographics, and Countries of Origin
Immigration Research and Policy Brief No. 1. March 15, 2017.
Voice, Exit, and Liberty: The Effect of Emigration on Origin Country Institutions
Economic Development Bulletin No. 25. May 26, 2016.
Rails and Reauthorization: The Inequity of Federal Transit Funding
Policy Analysis No. 772. April 21, 2015.