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Achleitner, Ann-Kristin
Kaserer, Christoph
Ampenberger, Markus
Bitsch, Florian
Year of Publication: 
Series/Report no.: 
CEFS working paper series 2009-13
Recent research indicates that the majority of listed firms in Germany (and also in many other countries around the world) have a dominant owner rather than being widely-held. Hence, owner-dominated firms comprise an important subset of listed companies. This article introduces the concept of an ownership-based style index of listed firms in Germany, the German Entrepreneurial Index (GEX®). Introduced in 2005, the GEX® represents recently listed, ownerdominated firms in the German Prime Standard. We review the theoretical foundation and the index construction of the GEX®. In addition, we provide an overview of its development and performance between index inception and end of 2008 and relate this to properties of the German financial market. Finally, we conclude with a critical outlook for the index future against the background of recent developments.
insider ownership
style index
ownership structure
corporate governance
Document Type: 
Working Paper
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