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The sizeable hoarding of international reserves by several East Asian countries has been frequently attributed to a modern version of monetary mercantilism – hoarding international reserves in order to improve competitiveness. From a long‐run perspective, manufacturing exporters in East Asia adopted ‘financial’ mercantilism – subsidising the cost of capital – during decades of high growth. They switched to hoarding large international reserves when growth faltered, making it harder to disentangle the monetary mercantilism from the precautionary response to the heritage of past financial mercantilism. Monetary mercantilism also lowers the cost of hoarding, but may be associated with negative externalities leading to competitive hoarding. From this viewpoint, this paper makes three observations on the East Asian reserve accumulation. First, the recent large hoarding of reserves in Japan and Korea occurred in the aftermath of the growth strategy that combined export promotion and credit subsidisation (financial mercantilism). Second, whether the ultimate motive is mercantilist or precautionary, the ongoing reserve hoarding in Asia contains an element of competitive hoarding, which is likely to have negative externalities among countries involved. Finally, China's hoarding of reserves partly reflects the precaution against the financial fragility that is likely to follow the slowing of economic growth.
Aizenman et al. (Thu,) studied this question.