Principalul scop al acestui studiu este să prezinte o tehnică de modelare care este regresia ortogonală sau modelul EIV cu erori-în-variabile şi posibilele aplicaţii în economie. Metodele de calcul şi principalele proprietăţi statistice ale estimatorilor sunt discutate. In partea...

Robust methods are needed to fit regression lines when outliers are present. In a clustering framework, outliers can be extreme observations, high leverage points, but also data points which lie among the groups. Outliers are also of paramount importance in the analysis of international trade...

The central argument of this paper is that both - internal and external - equilibria should be taken into account in the estimation of potential output. If only the data on inflation, unemployment rate, and wages are used for its evaluation, no certainty exists that such a level will correspond...