@inbook{NBERc6591,
 Crossref = "NBERuniv60-1",
 title = "Introduction to "The Quality and Economic Significance of Anticipations Data"",
 author = "Albert Gailord Hart and Franco Modigliani and Guy Orcutt",
 BookTitle = "The Quality and Economic Significance of Anticipations Data",
 Publisher = "Princeton University Press",
 pages = "3-8",
 year = "1960",
 URL = "http://www.nber.org/chapters/c6591",
}
@book{NBERuniv60-1,
 title = "The Quality and Economic Significance of Anticipations Data",
 author = "George B. Roberts, Chairman, Universities-National Bureau Committee for Economic Research",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "Princeton University Press",
 year = "1960",
 URL = "http://www.nber.org/books/univ60-1",
}