J. Bradford DeLong (1997), "Cross-Country Variations in National Economic Growth Rates: The Role of 'Technology'"
J. Bradford DeLong (1997), "Cross-Country Variations in National Economic Growth Rates: The Role of 'Technology'", in Jeffrey Fuhrer and Jane Sneddon Little, eds., Technology and Growth (Boston: Federal Reserve Bank of Boston), pp. 127-49.
http://www.j-bradford-delong.net/Econ_Articles/Growth_and_Technology/growthandtechnology.html
