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The development strategy in tourism industry requires a complexity of processes which claim the combination of the economical, social and environmental factors, concreted in medium and long term progress of the tourism society. Generally, sustainable development follows the performance on three levels - economic, by increasing the development degree and resources development, ecologically through recycling and avoiding environmental and social degradation by increasing the number of jobs, re-launching the traditional professions. The paper highlights a study conducted in the Romanian hotel environment regarding the top management's opinion of introducing in the infrastructure optimization strategies elements leading to tourist accommodation structures with "Nearly 0 energy consumption". The identified methods by which a hotel operator can reduce energy consumption are diverse, innovative and possible to be implemented in stages. The results of the study can constitute a fundamental approach for the purpose and objectives of a consultancy project that can support the goal of hoteliers in Romania, supporting the reduction of energy operating costs, the introduction of renewable energy sources, and stimulating the behavioral schema of staff and customers. [ABSTRACT FROM AUTHOR]

The paper is devoted to a comprehensive study of the impact of rent received from energy resources on the economies of individual countries as a factor for the development of a balanced energy dialogue with the countries of the European Union. The research methodology consists of a three-stage sequential algorithm. The first stage is to calculate the absolute and relative profitability of extraction of energy resources. The second stage of the algorithm consists in clustering countries in terms of the level of dependence of the economy on rent from energy resources. The third stage of the algorithm is to determine the relationship between the degree of risk and the profitability of energy resources. The analysis made it possible to identify the inverse relationship between the level of extraction of energy resources and the level of economic development. As a rule, in countries with a low diversified economy, a larger amount of rent from energy resources is generated. It is established that a higher level of energy resources in the country does not affect the formation of a higher amount of rent. It has been proven that the greatest revenue per ton of production is observed in countries that are not among leaders in technological development of the economy and extraction. Thus, the level of reserves is not a key factor in the formation of rent. Moreover the global trend of the dependence of the economy on rent from energy resources has the cyclical nature and in recent years this dependence has been steadily decreasing. [ABSTRACT FROM AUTHOR]

EU countries are largely heterogeneous group. Heterogeneity is given by historical development, as well as geographic localization, or cultural and social specifics. Main aim of EU is to realize social and environmentally sustainable economic development. One of the tools to achieve that state is effort to increase energy efficiency of economies. In this paper we identify degree of similarity of EU countries in implementing the processes of improving the energy efficiency balance, using the selected indicators of energy efficiency and economic development. Using the historical data we also analyse changes in the development and in the structure of similarity of EU countries [ABSTRACT FROM AUTHOR]