Drives Reserve? (Levy-Yeyati)

“What drives reserve accumulation (and at what cost)?” by Eduardo Levy-Yeyati. This VOX column investigates the driving forces behind the accumulation of foreign exchange reserves and finds that exchange-rate smoothing, rather than precautionary stockpiling, is the main driver. Levy breaks new ground with a new indicator about the net valuation of reserves for a group of emerging economies – Brazil has the highest cost. See: