@inbook{NBERc7502,
 Crossref = "NBERschw87-1",
 title = "How Feasible Is a Flexible Monetary Policy?",
 author = "Phillip Cagan and Anna J. Schwartz",
 BookTitle = "Money in Historical Perspective",
 Publisher = "University of Chicago Press",
 pages = "183-208",
 year = "1987",
 URL = "http://www.nber.org/chapters/c7502",
}
@book{NBERschw87-1,
 title = "Money in Historical Perspective",
 author = "Anna J. Schwartz",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "University of Chicago Press",
 year = "1987",
 URL = "http://www.nber.org/books/schw87-1",
}