The global crisis that has started as a credit crisis in USA mortgage markets in mid 2007's and expanded through financial markets in 2008 then spread to whole world and affected the other countries as well. In this study firstly, the effect of crisis on USA and European Countries has been investigated using dummy variable. Nonetheless it is investigated if the economic growth and investment relation of the term before the crisis changed after the crisis. In the study panel OLS, fixed effect and panel causality econometric models have been used. The results displayed that the crisis has a significant effect on growth rate of European Countries. At the same time it has been determined that causality relationship from investments towards economic growth has weakened in the period of crisis.