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We introduce new notions of superadditivity and convexity for games with coalitional externalities. We show parallel … results to the classic ones for transferable utility games without externalities. In superadditive games the grand coalition … contributions to larger embedded coalitions. We also see that convex games can only have negative externalities …
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The COVID-19 pandemic, the health protection measures, and the policies meant to limit the economic effects of the disease have affected the world's economies on multiple levels, the international trade being one of the most seriously influenced domains. The paper1 aims to highlight the effects...
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This study examines the determinants of external crises using data from 62 countries over 1970-2019 to guide macrofinancial prudential policies. It identifies debt liabilities as the riskiest component of a country's external financial portfolio, with FDI liabilities being half as risky and FDI...
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