Template-Type: ReDIF-Paper 1.0 Title: Changes in the degree of activity and the organizational efficiency of a society as a cause for long waves in GDP Author-Name: Krelle,Wilhelm Author-WorkPlace-Name: University of Bonn Classification-JEL: 131 Keywords: Economic fluctuations,Long term waves,Equilibrium growth, Long term fluctuations Series: Sonderforschungsbereich 303 Creation-Date: 1990-05 Handle: RePEc:bon:bonsfb:145