Incentives and Effort
"Competition and the Ratchet Effect", Journal of Labor Economics 29(3) (July 2011): 513-47 (with Gary Charness and Marie Claire Villeval) PDF JSTOR
Incentives and Effort in the Public Sector: Have U.S. Education Reforms Increased Teachers' Work Hours, Economics of Education Review 27 (1) (February 2008): 1-13 (with Christiana Stoddard) PDF EER
"Does Pay Inequality Affect Worker Effort? Experimental Evidence” Journal of Labor Economics, 23 (4) (October 2007): 693-724 (with Gary Charness) PDF JSTOR