@inbook{NBERc8885,
 Crossref = "NBERrome97-1",
 title = "How Precise Are Estimates of the Natural Rate of Unemployment?",
 author = "Douglas O. Staiger and James H. Stock and Mark W. Watson",
 BookTitle = "Reducing Inflation: Motivation and Strategy",
 Publisher = "University of Chicago Press",
 pages = "195-246",
 year = "1997",
 month = "January",
 URL = "http://www.nber.org/chapters/c8885",
}
@book{NBERrome97-1,
 title = "Reducing Inflation: Motivation and Strategy",
 author = "Christina D. Romer and David H. Romer",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "University of Chicago Press",
 year = "1997",
 URL = "http://www.nber.org/books/rome97-1",
}