@inbook{NBERc8861,
 Crossref = "NBERpote94-2",
 title = "Savings in Germany-Part 1 : Incentives",
 author = "Axel H. Boersch-Supan",
 BookTitle = "Public Policies and Household Savings",
 Publisher = "University of Chicago Press",
 pages = "81-104",
 year = "1994",
 month = "January",
 URL = "http://www.nber.org/chapters/c8861",
}
@book{NBERpote94-2,
 title = "Public Policies and Household Savings",
 author = "James Poterba",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "University of Chicago Press",
 year = "1994",
 URL = "http://www.nber.org/books/pote94-2",
}