First differences

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vad1234
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Joined: Wed Mar 06, 2013 6:46 am

First differences

Postby vad1234 » Thu Mar 21, 2013 6:04 am

I have a panel data set over a 5 year period, with which I have undertaken pooled ols, fixed effect and random effect estimation. Conducting a Hausman test shows that fixed effects is the most appropriate model.
I have been advised that I need to carry out a first difference regression. Is it possible to conduct such regression over a period for over two years? If so, what are the steps that need to be taken?

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