Badanie zależności między eksportem a rentownością przedsiębiorstw na przykładzie spółek produkcyjnych notowanych na GPW w Warszawie w latach 2003-2010

The purpose of the study is to verify the hypothesis holding that the positive effects of exports improve the profitability of businesses. The positive impact of exports on return on equity is confirmed by both a dynamic panel data model and Granger causality test. Calculations were performed for 50 manufacturing companies listed on the Warsaw Stock Exchange. The dynamic panel data model was estimated using the Blundell-Bond estimation technique.