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This brief introduces overlapping coalition formation games (OCF games), a novel mathematical framework from cooperative game theory that can be used to model, design and analyze cooperative scenarios in future wireless communication networks. The concepts of OCF games are explained, and several algorithmic aspects are studied. In addition, several major application scenarios are discussed. These applications are drawn from a variety of fields that include radio resource allocation in dense wireless networks, cooperative spectrum sensing for cognitive radio networks, and resource management for crowd sourcing. For each application, the use of OCF games is discussed in detail in order to show how this framework can be used to solve relevant wireless networking problems. Overlapping Coalition Formation Games in Wireless Communication Networks provides researchers, students and practitioners with a concise overview of existing works in this emerging area, exploring the relevant fundamental theories, key techniques, and significant applications. .

Computer communication systems. --- Engineering. --- Game theory. --- Electrical engineering. --- Communications Engineering, Networks. --- Game Theory, Economics, Social and Behav. Sciences. --- Computer Communication Networks. --- System design. --- Games, Theory of --- Theory of games --- Mathematical models --- Mathematics --- Design, System --- Systems design --- Electronic data processing --- System analysis --- Telecommunication. --- Mathematics. --- Math --- Science --- Electric communication --- Mass communication --- Telecom --- Telecommunication industry --- Telecommunications --- Communication --- Information theory --- Telecommuting --- Communication systems, Computer --- Computer communication systems --- Data networks, Computer --- ECNs (Electronic communication networks) --- Electronic communication networks --- Networks, Computer --- Teleprocessing networks --- Data transmission systems --- Digital communications --- Electronic systems --- Information networks --- Telecommunication --- Cyberinfrastructure --- Network computers --- Electric engineering --- Engineering --- Distributed processing

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We study the impact of foreign institutional investors on global capital allocation and welfare using novel firm-level international data. Using MSCI index inclusion as an exogenous shock to foreign ownership, we show that greater foreign ownership leads to more informative stock prices and this effect arises more from increased price efficiency than from improved firm governance. We further show that the impact of capital flows on price efficiency is due to real efficiency gains, as opposed to better information disclosure. Finally, we show that foreign ownership increases market liquidity, reduces firms' cost of equity, and leads to subsequent growth in their real investments, thus improving overall welfare.