@techreport{NBERw13072,
 title = "Naturally Occurring Markets and Exogenous Laboratory Experiments: A Case Study of the Winner's Curse",
 author = "Glenn W. Harrison and John A. List",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Working Paper Series",
 number = "13072",
 year = "2007",
 month = "April",
 URL = "http://www.nber.org/papers/w13072",
}