Monthly Archives: April 2015

Unbiased Estimator of Sample Variance – Vol. 2

Lately I received some criticism saying that my proof (link to proof) on the unbiasedness of the estimator for the sample variance strikes through its unnecessary length. Well, as I am an economist and love proofs which read like a … Continue reading

Posted in Econometrics, Mathematical Proofs, Statistic | 11 Comments

Assumptions of Classical Linear Regression Models (CLRM)

The following post will give a short introduction about the underlying assumptions of the classical linear regression model (OLS assumptions), which we derived in the following post. Given the  Gauss-Markov Theorem we know that the least squares estimator and are … Continue reading

Posted in Econometrics | Tagged , , | 22 Comments