Discussion paper DP7069 The U.S. Business Cycle, 1867-1995: A Dynamic Factor Approach Albrecht Ritschl Martin Uebele Samad Sarferaz 1 Dec 2008 International Macroeconomics C43 E32 N11 N12
Discussion paper DP5370 Stock Markets and Business Cycle Comovement in Germany Before World War I: Evidence from Spectral Analysis Albrecht Ritschl Martin Uebele 16 Dec 2005 International Macroeconomics E32 E44 N13