EN
The author makes an attempt to diagnose the most significant causes of contemporary economic crises and to verify the hypothesis which assumes that the reasons for the contemporary crises are totally different in comparison to typical crises of the 19th and the 20th centuries. What emerges from this consideration is that a surplus of supply of goods was the fundamental issue undelying classical crises, which was due to the momentum of investments that did not bring in the expected profits. These days, however, financial phenomena underly the economic recession.