@inbook{NBERc5053,
 Crossref = "NBERkrue08-1",
 title = "National Time Accounting: The Currency of Life",
 author = "Alan B. Krueger and Daniel Kahneman and David Schkade and Norbert Schwarz and Arthur A. Stone",
 BookTitle = "Measuring the Subjective Well-Being of Nations: National Accounts of Time Use and Well-Being",
 Publisher = "University of Chicago Press",
 pages = "9-86",
 year = "2009",
 month = "October",
 URL = "http://www.nber.org/chapters/c5053",
}
@book{NBERkrue08-1,
 title = "Measuring the Subjective Well-Being of Nations: National Accounts of Time Use and Well-Being",
 author = "Alan B. Krueger",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "University of Chicago Press",
 year = "2009",
 URL = "http://www.nber.org/books/krue08-1",
}