Abstract

http://ssrn.com/abstract=871169
 
 

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Citations (8)



 


 



Worldscope meets Compustat: A Comparison of Financial Databases


Niels Ulbricht


University of Mannheim - Department of Business Administration and Finance

Christian Weiner


Humboldt University of Berlin - School of Business and Economics

December 14, 2005


Abstract:     
With this study we are the first to systematically compare today's two major counterparts as a source of accounting and financial data for researchers: Compustat North America by Standard & Poor's and Worldscope by Thomson Financial. This investigation is conducted for U.S. and partly Canadian data over an extensive period from 1985 to 2003. We examine more than 650 data items available in both databases and address the question of whether or not the decision for one or the other source may have an impact on the outcome of research projects. It is probably commonly assumed that this impact is minor, but it also leaves room to question certain results. We show that the use of both databases should lead to comparable results, but also find that if, e.g. a size bias, is not treated with care the quality of results may differ considerable. Furthermore after 1998 the number of firms covered by Worldscope exceeds the one covered by Compustat by about one fourth.

Number of Pages in PDF File: 31

Keywords: Worldscope, Compustat, financial databases

JEL Classification: G14, G29, M41

working papers series


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Date posted: December 20, 2005  

Suggested Citation

Ulbricht, Niels and Weiner, Christian, Worldscope meets Compustat: A Comparison of Financial Databases (December 14, 2005). Available at SSRN: http://ssrn.com/abstract=871169 or http://dx.doi.org/10.2139/ssrn.871169

Contact Information

Niels Ulbricht
University of Mannheim - Department of Business Administration and Finance ( email )
D-68131 Mannheim
Germany
Christian Weiner (Contact Author)
Humboldt University of Berlin - School of Business and Economics ( email )
Spandauer Str. 1
Berlin, D-10099
Germany
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