Intereconomics is now archived and no
longer receiving submissions with this publisher. All articles published in the journal during its time with Springer will remain fully searchable through our websites.
Ansgar Belke*, Department of Economics, University of Hohenheim, Stuttgart, Germany. The authors gratefully acknowledge valuable comments by Thorsten Polleit.
Marcel Wiedmann*, Department of Economics, University of Hohenheim, Stuttgart, Germany. The authors gratefully acknowledge valuable comments by Thorsten Polleit.