We investigate the controversial issue whether unemployment is related to productivity growth in the long run, using U.S. data in a framework of infrequent mean shifts. Tests find (endogenously dated) shifts around 1974, 1986, and 1996, system techniques indicate that the shifts are common...

This paper discusses the goal conflict between social protection and economic growth as well as employment. Taking the German economy as an example for the large continental economies of Old Europe, it analyzes twenty mechanisms that affect the fundamentals of the economy negatively and imply...

This paper analyzes some of the elements of the new economy. What is really new is first of all the technological innovation. In economic terms what is new is a new product. The new IT product brought about by the new technology means two different things: a new device to handle data and to...