Hi All,          I understand Hausamn test is useful to test for endogeneity(though of low power). In the presence of endogeneity, do panel  fixed effect regressions take account this problem (endogeneity)?. I saying so because I understand from explanations in Grelts Users Guide that , panel fixed effects regressions are based on the undelying assumption that variables are correlated with the error term(endogeneity)?.  Am I correct in my intuition?         Thanks