Boerner, Kira; Hainz, Christa - William Davidson Institute, University of Michigan - 2007
Conference of the Verein f˜ur Socialpolitik: Research Committee Development
Economics 2005, of the EPCS 2005, and of the CESifo … Area Conference on Public Sector Economics 2004, for
helpful comments and suggestions. The usual disclaimer applies …, under SFB-
Transregio 15 is gratefully acknowledged.
yDepartment of Economics, University of Munich, Gebelestr. 13, 81679 …