@inbook{NBERc11606,
 Crossref = "NBERrein09-1",
 title = "Improved Measures of U.S. International Services: The Cases of Insurance, Wholesale and Retail Trade, and Financial Services",
 author = "Maria Borga",
 BookTitle = "International Trade in Services and Intangibles in the Era of Globalization",
 Publisher = "University of Chicago Press",
 pages = "75-108",
 year = "2009",
 month = "May",
 URL = "http://www.nber.org/chapters/c11606",
}
@book{NBERrein09-1,
 title = "International Trade in Services and Intangibles in the Era of Globalization",
 author = "Marshall Reinsdorf and Matthew J. Slaughter",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "University of Chicago Press",
 year = "2009",
 URL = "http://www.nber.org/books/rein09-1",
}