@inbook{NBERc5710,
 Crossref = "NBERunkn49-1",
 title = "Fluctuations in the Saving-Income Ratio: A Problem in Economic Forecasting",
 author = "Franco Modigliani",
 BookTitle = "Studies in Income and Wealth",
 Publisher = "NBER",
 pages = "369-444",
 year = "1949",
 URL = "http://www.nber.org/chapters/c5710",
}
@book{NBERunkn49-1,
 title = "Studies in Income and Wealth",
 author = "Martha Anderson",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "NBER",
 year = "1949",
 URL = "http://www.nber.org/books/unkn49-1",
}