Abstract
AbstractWe examine how the degree of financial market incompleteness affects welfare gains from international cooperation on capital controls. When financial markets are incomplete, international risk sharing is disturbed. However, the optimal global policy significantly reverses the welfare deterioration due to inefficient risk sharing. We show that when financial markets are more incomplete, the welfare gap between the optimal global policy and the Nash equilibrium increases, and the welfare gains from international cooperation on capital controls then become larger.
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