@inbook{NBERc3742,
 Crossref = "NBERghez75-1",
 title = "Front matter, The Allocation of Time and Goods Over the Life Cycle",
 author = "Gilbert Ghez and Gary S. Becker",
 BookTitle = "The Allocation of Time and Goods over the Life Cycle",
 Publisher = "NBER",
 year = "1975",
 URL = "http://www.nber.org/chapters/c3742",
}
@book{NBERghez75-1,
 title = "The Allocation of Time and Goods over the Life Cycle",
 author = "Gilbert Ghez and Gary S. Becker",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "NBER",
 year = "1975",
 URL = "http://www.nber.org/books/ghez75-1",
}