@inbook{NBERc9071, Crossref = "NBERmeye75-2", title = "Front Matter to "Explorations in Economic Research, Volume 2, number 4"", author = "", BookTitle = "Explorations in Economic Research, Volume 2, number 4", Publisher = "NBER", year = "1975", month = "October", URL = "http://www.nber.org/chapters/c9071", } @book{NBERmeye75-2, title = "Explorations in Economic Research, Volume 2, number 4", author = "NBER", institution = "National Bureau of Economic Research", type = "Book", publisher = "NBER", year = "1975", URL = "http://www.nber.org/books/meye75-2", }