The econometric literature offers various modeling approaches for analyzing micro data in combination with time series of aggregate data. This paper discusses the estimation of a VAR model that allows unobserved heterogeneity across observation unit, as well as unobserved time-specific...

In this paper we present a new approach to integration and cointegration. We show that a periodically correlated time series can be divided in a natural way into subseries that are integrated. Moreover, with high probability they are cointegrated. Therefore it is enough to show periodic...

DCF to metoda wyceny oparta na zalozeniu, ze wartosc przedsiebiorstwa zalezy od przeplywow gotowki, ktore firma moze wygenerowac w przyszlosci. Metoda ma jednak pewna wade zwiazana z faktem, ze do obliczania WACC stosowane sa ksiegowe wartosci dlugu i kapitalu wlasnego. Proby uzycia innych...