@techreport{NBERh0018,
 title = "The Microeconomics of Depression Unemployment",
 author = "Robert A. Margo",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Historical Working Paper Series",
 number = "18",
 year = "1990",
 month = "December",
 URL = "http://www.nber.org/papers/h0018",
 abstract = {Microeconomic evidence reveals that the incidence and duration of unemployment in the 1930s varied significantly within the labor force. Long-term unemployment, which was especially high by historical standards, may have been exacerbated by federal relief policies.},
}