Ursprung, Heinrich W.; Zimmer, Markus - 2007
Markus Zimmer
Center for Economic Studies
Universität München
Schackstraße 4
80539 München
Germany
mail ….Ursprung@uni-konstanz.de.
** Center for Economic Studies, University of Munich, Schackstraße 4, 80539 München,
Germany. Email: Zimmer … bibliometric studies.
6
authored or coauthored by our sample economists up to the year 2004. Notice, however,
that we adhere to …