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I am working with a panel data and want to perform a regression analysis (OLS, fixed effects model or random effects model). The panel data is unbalanced with N varying from 7 to 13, and T=11. I am confused about having a small number of observations (around 100).

What is the minimum time observations and cross-sectional observations to perform a statistically significant panel analysis. And what are the alternatives if my dataset is too small?

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What is N in your case? Individuals, firms, countries? You have time series with different lengths? Or you have holes in your time series? – mpiktas Sep 18 '12 at 7:12

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