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"Time Spent Exercising and Obesity: An Application of Lewbel's Instrumental Variables Method"
	(with Chuck Courtemanche and Jay Stewart), Economics & Human Biology, 2021. 
	Abstract & Paper
 "Strong Social Distancing Measures in the United States Reduced the COVID-19 Growth Rate"
	(with Chuck Courtemanche, Joey Garuccio, Anh Le and Aaron Yelowitz). Health Affairs, 2020. 
	Abstract & Preprint
 "Breaking Bad in Bourbon Country: Does Alcohol Prohibition Encourage Methamphetamine Production?" (with Jose Fernandez and Steve Gohmann).
Southern Economic Journal, 2018.  Abstract 
 "The Dynamic Effects of Obesity on the Wages of Young Workers."  Economics & Human Biology, 2017.
Abstract
 Preprint
 "Can Changing Economic Factors Explain the Rise in Obesity?" (with Chuck Courtemanche, Chris Ruhm and
	George Wehby). Southern Economic Journal, 2016.  
	Abstract
	 Preprint
 "Adjusting Body Mass for Measurement Error with Invalid Validation Data" (with Chuck Courtemanche and Jay Stewart). 
Economics and Human Biology, 2015.  Abstract.
 "How Much Do Employers Learn from Referrals?"  Industrial Relations, April 2012. 
Abstract |
Preprint
 "A Model of Asymmetric Employer Learning with Testable Implications."   Review of Economic Studies, January 2009. 
Abstract 
 "A Test of Screening Discrimination with Employer Learning."
    Industrial and Labor Relations Review, January 2006.  
   Abstract
 "Housing Vouchers and Economic Self-Sufficiency:
	Evidence from a Randomized Experiment" (with Jens Ludwig and Greg Duncan).   Journal of Public Economics,
	vol. 89(1), January 2005.  Abstract
 "Annual Measures of Gross Job Gains and Gross Job Losses" (with James Spletzer).   Monthly Labor Review, November 2004.
 Paper
 "Screening Discrimination and the Determinants of Wages."   
	Labour Economics, vol. 10(6), December 2003.  Abstract
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