Inwestycje sa waznym zrodlem rozwoju przedsiebiorstw i gospodarki. Zaleza one od wielu czynnikow. Wedlug wiekszosci glownych szkol ekonomicznych istotnym czynnikiem wplywajacym na poziom i dynamike nakladow inwestycyjnych jest polityka monetarna. Glownym celem opracowania jest zbadanie wplywu...

The widely used risk measures as standard deviations and value at risk do not always reflect risk preferences accurately. To overcome this problem we show coherent risk approach. For making the overview of the problem of risk measure we propose a coherent risk measure approach. We started from...

This papers develops a dynamic factor models with regime switching to account for the decreasing volatility of the U.S. economy observed since the mid-1980s. Apart from the Markov switching capturing the cyclical fluctuations, an additional type of regime switching is introduced to allow...

This paper points out an empirical failing of real business cycle models in which unemployment is endogenized through a matching function. One can easily choose a calibration to make the cyclical fluctuation in unemployment as large in the model as it is in the data, or to make the response of...