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
J. Bradford DeLong and Marco Becht (1991), "'Excess Volatility' in the German Stock Market, 1876-1990" (Cambridge, MA: Harvard University Department of Economics).
http://www.j-bradford-delong.net/pdf_files/German_Volatility.pdf http://www.j-bradford-delong.net/pdf_files/German_Volatility_Appendix.pdf