@inbook{NBERc9825,
 Crossref = "NBERgarb98-1",
 title = "Managed Care and Health Care Expenditures: Evidence from Medicare, 1990 to 1994",
 author = "Laurence C. Baker and Sharmila Shankarkumar",
 BookTitle = "Frontiers in Health Policy Research, volume 1",
 Publisher = "MIT",
 pages = "117-152",
 year = "1998",
 month = "January",
 URL = "http://www.nber.org/chapters/c9825",
}
@book{NBERgarb98-1,
 title = "Frontiers in Health Policy Research, volume 1",
 author = "Alan M. Garber",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "MIT",
 year = "1998",
 URL = "http://www.nber.org/books/garb98-1",
}