@inbook{NBERc10953,
 Crossref = "NBERfisc88-1",
 title = "Sources of Business Cycles Fluctuations",
 author = "Matthew Shapiro and Mark Watson",
 BookTitle = "NBER Macroeconomics Annual 1988, Volume 3",
 Publisher = "MIT Press",
 pages = "111-156",
 year = "1988",
 URL = "http://www.nber.org/chapters/c10953",
}
@book{NBERfisc88-1,
 title = "NBER Macroeconomics Annual 1988, Volume 3",
 author = "Stanley Fischer",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "MIT Press",
 year = "1988",
 URL = "http://www.nber.org/books/fisc88-1",
}