Kalina, Jan - In: Prague Economic Papers 2012 (2012) 1, pp. 69-82
estimation mainly for the context of heteroscedasticity or high dimension, which are up-to-date topics of current econometrics …. We describe a modification of linear regression resistant to heteroscedasticity and study its computational aspects. For … a robust version of the instrumental variables estimator we propose an asymptotic test of heteroscedasticity. Further we …