König, Heinz, Francois Laisney, M. Lechner und W. Pohlmeier (1993), On the Dynamics of Process Innovative Activity: An Empirical Investigation using Panel Data, ZEW Discussion Paper No. 93-08, Mannheim, erschienen in: The Explanatory Power of Business Cycle Surveys, K.H. Oppenländer und G. Poser (eds.), 243-262. Aldershot:Avebury, 1994.. Download