@inbook{NBERc4248,
 Crossref = "NBERfisc86-1",
 title = "Efficiency Wage Theories: A Partial Evaluation",
 author = "Lawrence F. Katz",
 BookTitle = "NBER Macroeconomics Annual 1986, Volume 1",
 Publisher = "MIT Press",
 pages = "235-290",
 year = "1986",
 URL = "http://www.nber.org/chapters/c4248",
}
@book{NBERfisc86-1,
 title = "NBER Macroeconomics Annual 1986, Volume 1",
 author = "Stanley Fischer",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "MIT Press",
 year = "1986",
 URL = "http://www.nber.org/books/fisc86-1",
}