J. Bradford DeLong (1991), "Did J. P. Morgan's Men Add Value?: An Economist's Perspective on Financial Capitalism."
J. Bradford DeLong (1991), "Did J. P. Morgan's Men Add Value?: An Economist's Perspective on Financial Capitalism," in Peter Temin, ed., Inside the Business Enterprise: Historical Perspectives on the Use of Information (Chicago, IL: University of Chicago Press for NBER), pp. 205-36.
a href="http://www.j-bradford-delong.net/pdf_files/Morgan_Temin.pdf">http://www.j-bradford-delong.net/pdf_files/Morgan_Temin.pdf
