@inbook{NBERc10583,
 Crossref = "NBERblom01-1",
 title = "Revealing Comparative Advantage: Chaotic or Coherent Patterns across Time and Sector and U.S. Trading Partner?",
 author = "J. David Richardson and Chi Zhang",
 BookTitle = "Topics in Empirical International Economics: A Festschrift in Honor of Robert E. Lipsey",
 Publisher = "University of Chicago Press",
 pages = "195-232",
 year = "2001",
 month = "January",
 URL = "http://www.nber.org/chapters/c10583",
}
@book{NBERblom01-1,
 title = "Topics in Empirical International Economics: A Festschrift in Honor of Robert E. Lipsey",
 author = "Magnus Blomstrom and Linda S. Goldberg",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "University of Chicago Press",
 year = "2001",
 URL = "http://www.nber.org/books/blom01-1",
}