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We need to make decisions us throughout our lives. This skill is sometimes necessary even to survive, because our vigilance and behaviour in a crisis situation is the basic mechanism of natural selection. Human behaviour has been the subject of many studies and theories. The expected utility theory, assumes that if a person has a choice of profit x, which is certain and a more favourable option y, but burdened with risk, then he should choose the certain profit. Its usefulness is expected to be higher than the ris...

The activities of modern companies depend not only on economic performance but also on a broadly understood sustainable development strategy from economic, social and environmental perspective. Polish hard coal mining undertakings aspire to be such companies. Therefore, currently many of mining and post- mining communities is looking for new possibilities of development. They have to look for different ways of economic activation and new possibilities for those areas. Entrepreneurs are looking for different ways t...