TY - JOUR AU - Krugman,Paul R. TI - Target Zones and Exchange Rate Dynamics JF - National Bureau of Economic Research Working Paper Series VL - No. 2481 PY - 1988 Y2 - 1988 UR - http://www.nber.org/papers/w2481 L1 - http://www.nber.org/papers/w2481.pdf N1 - Author contact info: Paul R. Krugman Department of Economics Princeton University Woodrow Wilson School Princeton, NJ 08544 Tel: 609/258-4570 Fax: 609/258-2809 E-Mail: pkrugman@princeton.edu AB - This paper develops a highly simplified model of exchange rate behavior within the band under a target zone regime. It shows that the expectation that authorities will defend the band exerts a stabilizing effect on exchange rate behavior within the band, even when the authorities are not actively intervening. The extent of stabilization can be related in a straightforward way to three factors: the sensitivity of the current exchange rate to expected depreciation, the volatility of the process driving exchange rate "fundamentals", and the credibility of the commitment by authorities to defend the target zone. ER -