@techreport{NBERw10622,
 title = "Performance Pay and Teachers' Effort, Productivity and Grading Ethics",
 author = "Victor Lavy",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Working Paper Series",
 number = "10622",
 year = "2004",
 month = "July",
 URL = "http://www.nber.org/papers/w10622",
}