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In seventies, structural models were subjected to the criticism more and more. In the article the author presented reasons of the criticism of structural models and theoretical bases of vector autoregression models which was introduced in article C. A. Sims in 1980. An example of using VAR models was also expressed for the modelling of macroeconomic variables. In the summary the author described defects...
In this paper the authors present a nonparametric method of estimating the parameters of the linear econometric model, which is the method of least absolute deviations (LAD). The aim of this article is to examine the extent to which the parameter estimation method of least absolute deviations is resistant to changes in parameter values in case of outliers. In this paper, a hypothetical example examines...
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