@inbook{NBERc11871,
 Crossref = "NBERito_09-1",
 title = "The Consumption Terms of Trade and Commodity Prices",
 author = "Martin Berka and Mario J. Crucini",
 BookTitle = "Commodity Prices and Markets, East Asia Seminar on Economics, Volume 20",
 Publisher = "University of Chicago Press",
 pages = "119-145",
 year = "2010",
 month = "February",
 URL = "http://www.nber.org/chapters/c11871",
}
@book{NBERito_09-1,
 title = "Commodity Prices and Markets, East Asia Seminar on Economics, Volume 20",
 author = "Takatoshi Ito and Andrew K. Rose",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "University of Chicago Press",
 year = "2011",
 URL = "http://www.nber.org/books/ito_09-1",
}