@inbook{NBERc11253,
 Crossref = "NBERblan94-1",
 title = "Evaluating the Connection between Social Protection and Economic Flexibility",
 author = "Rebecca M. Blank and Richard B. Freeman",
 BookTitle = "Social Protection versus Economic Flexibility: Is There a Trade-Off?",
 Publisher = "University of Chicago Press",
 pages = "21-42",
 year = "1994",
 month = "January",
 URL = "http://www.nber.org/chapters/c11253",
}
@book{NBERblan94-1,
 title = "Social Protection versus Economic Flexibility: Is There a Trade-Off?",
 author = "Rebecca M. Blank",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "University of Chicago Press",
 year = "1994",
 URL = "http://www.nber.org/books/blan94-1",
}