Internationalization and Firm Performance: The case of the top 10 non-financial TNCs from South-East Europe, South-Eastern Europe Journal of Economics 7(1): 54-73(2009). In common with Ν. Tzeremes.

Over the last 30 years researchers have examined the link between performance and the degree of internationalization having reported inconsistent and contradictory results. This paper by performing Data Envelopment Analysis (DEA) tries to constitute to the existing literature by investigating if firms’ internationalization levels have an impact on their performance. Using a sample of ten Transnational corporations from South-East Europe the paper provides information regarding their efficiency levels.