@inbook{NBERc6936,
 Crossref = "NBERbrad98-1",
 title = "Introduction to "Economics of Property-Casualty Insurance, The"",
 author = "David F. Bradford",
 BookTitle = "The Economics of Property-Casualty Insurance",
 Publisher = "University of Chicago Press",
 pages = "1-4",
 year = "1998",
 month = "January",
 URL = "http://www.nber.org/chapters/c6936",
}
@book{NBERbrad98-1,
 title = "The Economics of Property-Casualty Insurance",
 author = "David F. Bradford",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "University of Chicago Press",
 year = "1998",
 URL = "http://www.nber.org/books/brad98-1",
}