We present a model of learning in which agents learn from errors. If an action turns out to be an error, the agent rejects not only that action but also neighboring actions. We find that, keepng memory of his errors, under mild assumptions an acceptable solution is asymptotically reached....

Results of a survey concerning the importance of quality management of the educational process among high officials of Czech universities and colleges are summarized in this article. Three of possible methods of quality management in the educational process are described here: Standardization...

During the last few years the Czech Republic has witnessed a great boom in the area of a problematic and irrecoverable credit settlement. Late and substandard payments have become rather a tradition in the Czech way of doing business. Consequently the solution by selling receivables to the third...

Estimation of volatility of financial time series plays a crucial role in pricing derivatives. Volatility is often estimated from historical data; however, it is well known that volatility varies in time. We propose a method to choose a suitable length of historical data to estimate contemporary...

The paper deals with yield curve construction methods using coupon bonds in Czech bond market. Generally, there are more possibilities how to approach this problem: bootstraping, splines, parametric functions. Due to the lack of tradable public bonds and due to the fact that existing bonds do...