Robert B. Barsky and J. Bradford DeLong (1991), "Forecasting Pre-World War I Inflation: The Fisher Effect and the Gold Standard," Quarterly Journal of Economics 106: 3 (August) , pp. 815-36.
J. Bradford DeLong and Marco Becht (1991), "'Excess Volatility' in the German Stock Market, 1876-1990" (Cambridge, MA: Harvard University Department of Economics). : Archive Entry From Brad DeLong's Webjournal