D. Patinkin and R.W. Clower belong to the first criticists of the model IS-LM, and they have revealed its theoretical weaknesses. It was in the half of the sixties of the 20 century, i. e. at the time when there was nobody to make the effectiveness of the Keynes's policies dubious. These...

Unternehmen müssen nicht immer Kollusionsabsichten verfolgen, wenn sie untereinander Informationen austauschen. Dieser Beitrag zeigt, daß bei Nachfrageunsicherheit auch strikt kompetitive Konkurrenten private Informationen bezüglich ihrer Nachfragebedingungen preisgeben. Dies läßt sich in...

In this paper historical performance of eleven approaches for estimation of one-day 95% value-at-risk is evaluated. Random sample of 1000 foreign exchange portfolios consisting of positions in EUR and USD with CZK as a base currency was considered. Since foreign exchange portfolio consists of...