@techreport{NBERw12030,
 title = "Down or Out: Assessing the Welfare Costs of Household Investment Mistakes",
 author = "Laurent E. Calvet and John Y. Campbell and Paolo Sodini",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Working Paper Series",
 number = "12030",
 year = "2006",
 month = "February",
 URL = "http://www.nber.org/papers/w12030",
}