We show that the cusp catastrophe model explains the crash of stock exchanges much better than other models. On the data of U.S. stock markets we demonstrate that the crash of 1987 may be better explained by cusp catastrophe theory, which is not true for the crash of 2001. With the help of...

Joint-stock companies are among the most fundamental components of a market economy. “Voucher privatization” in the Czech Republic saw an abrupt mushrooming of joint-stock companies where none had appeared for over a generation. This occurred in an environment lacking in guiding...

The paper presents an empirical analysis of the Prague stock exchange as a whole approximated by the index and also selected issues traded on the Prague stock exchange. The goal of the paper is to verify the relationship between the market as a whole and the selected issues on one hand and...

The authors use a variance ratio test to test the weak form of market efficiency as regards capital markets in the Czech Republic, Slovakia, Hungary, Poland, and in the United States. Market efficiency was tested using weekly and monthly values of relevant market indices in a period from 1993...