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出口汇率弹性是指一国出口商品需求量的变动对该商品汇率(价格)变化反应的灵敏度。根据汇率弹性分析理论即马歇尔-勒纳条件的扩展理论,出口汇率弹性对汇率变动之贸易收支效果主要是通过对出口国商品出口数量和价格的变动实现,出口汇率弹性与汇率变动效果之间呈正相关:即出口需求弹性越大,出口国汇率变动的贸易效果越大;反之,出口国汇率变动的贸易效果就越小。
Export exchange rate flexibility refers to the sensitivity of a country’s demand for exports to react to changes in the exchange rate (price) of the commodity. According to the theory of exchange rate elasticity, that is, the expansion theory of the Marshall-Lerner condition, the effect of the exchange rate elasticity of export on the trade balance of exchange rate fluctuations is mainly achieved through the changes in the quantity and price of commodity exports of the exporting countries. The positive correlation is that the greater the elasticity of export demand, the greater the trade effect of the exchange rate changes in the exporting countries. On the contrary, the trade effect of the exchange rate changes in the exporting countries is less effective.