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...

Polish Abstract: Niniejszy artykuł przedstawia koncepcję etyki jako refleksji nad jakościowym potencjałem działalności gospodarczej. Sugeruje on, że ilościowo-instrumentalna użyteczność kategorii gospodarczych takich jak monetarne zyski i straty może się w pełni zmaterializować...

Gregory Bateson is one of the most singular authors in communicational thought. He was himself a kind of outsider, placed in a novel unknown field, in a concern to outstand thought barriers. There is the possibility of grounding a more consistent idea on communication outstanding sociological...

The leaders of Poland and Czechoslovakia made the decision about close economic cooperation after they had regulated political relations (treaty of March 13th 1947). The economies of both states were complementary. During the negotiations (from April to July 1947) two sides prepared 14...