@techreport{NBERw7923,
 title = "Does the Social Security Earnings Test Affect Labor Supply and Benefits Receipt?",
 author = "Jonathan Gruber and Peter Orszag",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Working Paper Series",
 number = "7923",
 year = "2000",
 month = "September",
 URL = "http://www.nber.org/papers/w7923",
}