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Nowadays, the optimal usage of exhausting natural resources is a serious economic, social and political question. For this reason, in this paper we examine how the optimal sustainable use and allocation of these resources can be achieved in a sustainable way using different game theoretic models. As the proper solution needs the cooperation of national economies, the optimization driven by own interest should be completely changed. In this examination, we use the tools of cooperative game theory to describe ecomomies' strategic behaviour and their interactions. Moreover, we describe different well-known game theoretic solution concepts (e.g. Core, Shaply-value, Nucleolus) with special focus on their required fairness properties. The fairness properties, detailed in this paper, can ensure stable and acceptable allocations for the player at individual and coalitional level as well. Besides the theoretical descriptions, we give some practical example related to games defined on different water supply management problems (e. g. urban water management, irrigation problems, hydro power licensing etc.).

This study seeks to make a contribution to a limited research on the systemic level of the national coordination of European affairs, which involves both domestic institutions and a permanent representation at the EU and national embassies in the EU member states and other countries. We explore the issue through a case study which concentrates on 1) several middle-sized EU member states and 2) coordination in the field of foreign and security policy. The study argues that the coordination at the systemic level has a rather a centralized character. The elements of decentralization, which can be also identified at the systemic level, are primarily related to information-gathering as well as representation at negotiations. Permanent representations are considerably more involved in coordination than national embassies, however. Adapted from the source document.

The paper gives an analysis of the system for implementing the regional policy in the Republic of Croatia. Proceeding from increasingly large development disparities in the Republic of Croatia, the paper evaluates the level of readiness of the territorial administrative system for conducting regional policy efficiently. Particular emphasis is being placed on the analysis of the three elements that are in a positive correlation with the efficient conduct of regional policy. They are: a legislation framework of regional policy, institutional structure with a special emphasis on the mechanisms of horizontal & vertical coordination, & the system of local & regional self-government. All three variables include relevant limitations that influence the efforts for additional improvement of the overall capacity for conducting regional policy & for stimulating the development of the country. The author analyses & justifies the need for adoption of a special regional development system act. He points to some basic issues that should be solved; he maintains an attitude that an institutional framework should be created & emphasizes the need for reform of local & regional self-government that should be transformed from a retarding element into a generator of development. Figures, References. Adapted from the source document.

The existing empirical studies examined the impact of different variables, such as common language, economic, cultural and geographical factors, on migration. However, none of the studies deals with the social security systems including their coordination as a relevant explanatory factor. The paper focuses on the social security systems in Europe, their mutual coordination and their influence on international migration. The influence of social systems on economic migration can be twofold: influencing the labour migration, i.e. migrants who move for work, and also influencing the benefit migration, i.e. migrants who move in order to receive social benefits. We present the advanced migration model extended by the factors of social security coordination. The main finding is that the labour migration prevails significantly over the benefit migration. Role of social systems as social magnets was not proved to be statistically significant. Adapted from the source document.

Geographers play an important role in the announced & expected reform of the political & institutional system by introducing a second tier of local self-government. Their role is not only associated with preparing an appropriate subdivision of Slovenia into functionally closed areas, but also, considering contemporary social causal links between forming the regions & regional development, the effects of the polycentric settlement network layout & the decentralization of public institutions. The paper derives from an assumption that decentralization of institutions plays an important role in overcoming regional disparities. Together with appropriate organization, decentralization of institutions allows more efficient utilization of development potential. In contemporary development policy, institutions are a decisive instrument. In addition to technical innovations & a creative environment, institutions stand out as an impulse & central support point, for harmonious social development. This paper is clearly of a theoretical nature. It deals with the role, effects & consequences of the decentralization of institutions as an instrument for balanced sustainable regional development. The factors, which have an impact on the success of regionalization in a function of decentralization policy, are analyzed They are: especially formation of clear political & legal frameworks for starting the reform process, a clear indication of powerful and, if possible, interdepartmental responsible persons for management & coordination of the decentralization process, forming the concept of decentralized regionalization of Slovenia that aims at an even distribution of tasks & responsibilities such as clear forms of mutual (horizontal & vertical) coordination & mutual reciprocal inspections between different regional & state levels, an outline of state-level transfers where individual administrative & legal steps mean transfer of financial & personal competences & equipment to the participants in regional communities, & finally, measures for providing professional qualification of institutions in decentralized regional associations for taking on new tasks. Figures, References. Adapted from the source document.