@inbook{NBERc9073,
 Crossref = "NBERmeye75-2",
 title = "The Effect of School Quality on Achievement, Attainment Levels, and Lifetime Earnings",
 author = "Paul Wachtel",
 BookTitle = "Explorations in Economic Research, Volume 2, number 4",
 Publisher = "NBER",
 pages = "502-536",
 year = "1975",
 month = "October",
 URL = "http://www.nber.org/chapters/c9073",
}
@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",
}