This paper presents a rule for foreign exchange interventions (FXI), designed to preserve financial stability in floating exchange rate arrangements. The FXI rule addresses a market failure: the absence of hedging solution for tail exchange rate risk in the market (i.e. high volatility). Market...

The right response to a speculative attack on the domestic currency by monetary authorities in a country with liabilities in US dollars has been a matter of hot debate among academics and policy makers especially after the East Asian Crisis. Using a modified version of the currency crisis model...