@inbook{NBERc8239,
 Crossref = "NBERfran08-1",
 title = "Comment on "Real Variables, Nonlinearity, and European Real Exchange Rates"",
 author = "Charles Engel",
 BookTitle = "NBER International Seminar on Macroeconomics 2008",
 Publisher = "University of Chicago Press",
 pages = "194-196",
 year = "2009",
 month = "April",
 URL = "http://www.nber.org/chapters/c8239",
}
@book{NBERfran08-1,
 title = "NBER International Seminar on Macroeconomics 2008",
 author = "Jeffrey Frankel and Christopher Pissarides",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "University of Chicago Press",
 year = "2009",
 URL = "http://www.nber.org/books/fran08-1",
}