Im Aufsatz wird das Informationssystem WIDAB (Wirtschaftsinformation- und Datenbank), das vom Deutschen Institut für Wirtschaftsforschung, Berlin und dem ifo Institut, München, entwickelt wurde vorgestellt. Es soll vor allem kleine und mittlere Unternehmen durch eine benutzerfreundliche...

With this study we are the first to systematically compare todays two major counterparts as a source of accounting and financial data for researchers: Compustat North America by Standard & Poors and Worldscope by Thomson Financial. This investigation is conducted for U.S. and partly Canadian...

This paper investigates industry classification systems. During the last 50 yearsthere has been a considerable discussion of problems regarding the classification of economic data by industries. From my perspective, the central point of each classification is to determine a balance between...