@inbook{NBERc9849,
 Crossref = "NBERgarb01-1",
 title = "Introduction to "Frontiers in Health Policy Research, Volume 4"",
 author = "Alan M. Garber",
 BookTitle = "Frontiers in Health Policy Research, Volume 4",
 Publisher = "MIT Press",
 year = "2001",
 month = "January",
 URL = "http://www.nber.org/chapters/c9849",
}
@book{NBERgarb01-1,
 title = "Frontiers in Health Policy Research, Volume 4",
 author = "Alan M. Garber",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "MIT Press",
 year = "2001",
 URL = "http://www.nber.org/books/garb01-1",
}