@inbook{NBERc7695,
 Crossref = "NBERfeld87-2",
 title = "Consumer Spending and the After-Tax Real Interest Rate",
 author = "N. Gregory Mankiw",
 BookTitle = "Taxes and Capital Formation",
 Publisher = "University of Chicago Press",
 pages = "97-100",
 year = "1987",
 URL = "http://www.nber.org/chapters/c7695",
}
@book{NBERfeld87-2,
 title = "Taxes and Capital Formation",
 author = "Martin Feldstein",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "University of Chicago Press",
 year = "1987",
 URL = "http://www.nber.org/books/feld87-2",
}