@inbook{NBERc6215,
 Crossref = "NBERfeld88-1",
 title = "International Competition in Agriculture and U.S. Farm Policy",
 author = "Bruce L. Gardner and H. B. Atwater, Jr. and John R. Block",
 BookTitle = "The United States in the World Economy",
 Publisher = "University of Chicago Press",
 pages = "423-474",
 year = "1988",
 URL = "http://www.nber.org/chapters/c6215",
}
@book{NBERfeld88-1,
 title = "The United States in the World Economy",
 author = "Martin Feldstein",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "University of Chicago Press",
 year = "1988",
 URL = "http://www.nber.org/books/feld88-1",
}