@inbook{NBERc6138,
 Crossref = "NBERdarb83-1",
 title = "Movements in Purchasing Power Parity: The Short and Long Runs",
 author = "Michael R. Darby",
 BookTitle = "The International Transmission of Inflation",
 Publisher = "University of Chicago Press",
 pages = "462-477",
 year = "1983",
 URL = "http://www.nber.org/chapters/c6138",
}
@book{NBERdarb83-1,
 title = "The International Transmission of Inflation",
 author = "Michael R. Darby and James R. Lothian and Arthur E. Gandolfi and Anna J. Schwartz and Alan C. Stockman",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "University of Chicago Press",
 year = "1983",
 URL = "http://www.nber.org/books/darb83-1",
}