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Hi, I have a question. I am using Panel data for 67 cross sections having four data points for each cross sections. I have four 5 interdependent variables in my model. The Hausman specification test suggests to use fixed effects model. Now i wanna know about the period fixed effects, whether to incl...

Hi, I have a question. I am using Panel data for 67 cross sections having four data points for each cross sections. I have four 5 interdependent variables in my model. The Hausman specification test suggests to use fixed effects model. Now i wanna know about the period fixed effects, whether to incl...

Dear Sir, As i have mentioned earlier that i have 4 observations per country because the data is converted to five year averages. My sample is 69 countries and i have 6 independent variables. I read something on sample size today in which the authors are saying about sample size is ' from the pure s...

Thank you so much for such a nice explanation...

Hello,
What does it exactly mean by ( to use the covariance matrix with caution)? Do i have to worry about that this warning message? Or i can go with these regression results? Well there is any other way to avoid the warning message? Thanks

Thank You very much, Following your explanation, if i use white period, which is robust to serial correlation within cross sections and changing variances overtime, i can avoid the problem of reduced rank of the coefficient covariance matrix. Is it the right way of doing this estimation? So well thi...

Thank you very much for such a nice explanation. I got it. Just clarify this to me as well. My regression results are reliable in this case or not?

Hi Everyone, I need some help in panel data. I have a sample of 69 countries. I have 20 years data converted to 5 year averages. So i have 4 observations per country. The Hausman test rejects random effect model and hence fixed effect model is preferred. Now i am choosing both time fixed effect as w...