Hello, I have a general question about running panel OLS model. Here are the steps I took: 1. check if variables are stationary. (Is this necessary in panel data?) 2. check cointegration. 3. I have Y and X1 that are unit-root and no co-integration, so I first-differenced variables, and they are stationary. (Instead, can I run fixed or random effect?) 4. I ran ranone, and I have Pr>m of 0.56 for Hausman test; I ran ranone, and I have DF=0 / m value=0 / Pr>m= . Question: Do I run pooled ols, fixone, fixtwo, ranone, or rantwo? Ranone suggest using random effect, but I am not sure how to interpret general picture of the analysis.
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