一、汇率目标区理论——克鲁格是杨型及其扩展所谓汇率目标区是指从某个特定的汇率水平为基准，上下各留有一定幅度的浮动汇率区间。这个特定的汇率水平称目标区的中心汇率，浮动区间的上下界限称目标区的边界。实践中最著名的是欧洲货币体系的“汇率目标区”——它是以欧洲各 First, the exchange rate target zone theory - Kruger is Yang and its expansion The so-called exchange rate target zone refers to a specific exchange rate level as a benchmark, up and down each have a certain level of floating exchange rate interval. This specific exchange rate level is called the central exchange rate of the target area, and the upper and lower limits of the floating area are the boundaries of the target area. The best known in practice is the “exchange rate target zone” of the European Monetary System - which is based in Europe