Journal of Business EconomicsMay 2008, Volume 78, Issue 5, pp 581–584 | Cite asNachrichtenArticleFirst Online: 01 May 2008 40 Downloads This is a preview of subscription content, log in to check access.PreviewUnable to display preview. Download preview PDF.Unable to display preview. Download preview PDF.Copyright information© Gabler Verlag / Wiesbaden 2008