Daniel M Fehrle University of Augsburg, Department of Economics   Universitätsstrasse 16 Augsburg, 86159 Germany   daniel.fehrle@wiwi.uni-augsburg.de   http://www.wiwi.uni-augsburg.de/en/vwl/maussner/chair/fehrle/           JEL Areas: E2 : Macroeconomics: Consumption, Saving, Production, Employment, and Investment: General (includes Measurement and Data) E : Macroeconomics and Monetary Economics