The transformation of the world economy over the past two decades has been manifesting itself in various forms. On the one hand, there is an increasing interdependence of the world economy, which is a manifestation of the depth of the globalization process, mainly thanks to the expansion of...

An assumption that a central bank can influence the real interest rates is the object of our interest. In the paper we form and solve a model which corresponds to Romer´s (2000) assumptions. Our model is IS-LM augmented by a conception of price-adjusting after monetary intervention and...

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...

This paper examines features of the Czech stock market’s development from 1997 to 2003 and attempts to unveil the macroeconomic consequences of stock-price development. The analysis of the stock market’s behavior supports a cautionary stance on the hypothesis of the efficient-market theory,...

In this paper, we investigate the adequacy of scaling, a method frequently used in estimation of standard deviation of stock returns. Scaling is based on the assumption that standard deviation is proportional to the square root of the length of the time interval of the sample (for example daily,...