Organization of mergers of coal enterprises mining mutual coal fields

Mature market is characterized by intense mergers of enterprises. The main purpose of mergers and acquisitions is to obtain a synergistic effect, which represents benefit from collaboration of enterprises being merged. Stages of integration processes development in the mining industry are quite different from the evolution of other enterprises integration. The paper identifies factors that influence the effectiveness of enterprises merger, reveals condition criteria and their essence. Author proves that there are main advantages to be outlined in case of formation of several mines association: (1) reduction in the proportion of administrative staff (in particular, reducing the number of employees of such support services as finance and planning department, factory accounting sector, work measurement section, etc.), (2) economies of scale, (3) an increase in market share.