@inbook{NBERc5361,
 Crossref = "NBERfree05-1",
 title = "Labor Supply, Tax Base and Public Policy in Sweden",
 author = "Thomas Aronsson and James R. Walker",
 BookTitle = "Reforming the Welfare State: Recovery and Beyond in Sweden",
 Publisher = "University of Chicago Press",
 pages = "127-158",
 year = "2010",
 month = "February",
 URL = "http://www.nber.org/chapters/c5361",
}
@book{NBERfree05-1,
 title = "Reforming the Welfare State: Recovery and Beyond in Sweden",
 author = "Richard B. Freeman and Birgitta Swedenborg and Robert Topel",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "University of Chicago Press",
 year = "2010",
 URL = "http://www.nber.org/books/free05-1",
}