Continuous economic development of the European Union countries has reached a stage in which both intra- and inter-state cooperation together with the interaction of economic actors, have become biggest strength. The present paper analyze the level of cooperation between European Union countries...

Energy policies play a pivotal part in helping countries achieve their sustainable development goals. Further, energy is one of the critical raw materials in companies’ production processes. Therefore, ensuring a steady energy supply is essential to increasing production; otherwise, countries...