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When you include fixed effects, then the explanatory power comes only from variation within a firm. So it isn't surprising that you get the results you do. But no, that does not mean you can ignore the fixed effects. (The one thing you might check is whether the fixed effects are significant.) If I...

When you include fixed effects, then the explanatory power comes only from variation within a firm. So it isn't surprising that you get the results you do. But no, that does not mean you can ignore the fixed effects. (The one thing you might check is whether the fixed effects are significant.) I ju...

Hello, I am running panel regression with period and firm fixed effect. I have modeled several panel regressions for my research considering what other researchers did in the past for analyzing similar data. I also used new model specifications for a robustness check. Including period and firm fixed...