实际汇率反映对具有均衡性质的购买力平价的偏离，成为判定一国汇率水平高低的标准。
The real rate of exchange reflects the deviation the purchasing power par with a balanced nature.
购买力平价说是一种基本的汇率决定理论，但影响购买力平价关系成立的短期或长期经济因素众多，从而使得实际汇率经常偏离平价关系。
Purchasing power parity (PPP) is a basic exchange rate determinant theory. However, due to the numerous short and long term factors that affect PPP, the real exchange rates frequently deviate from it.
本文利用购买力平价理论和弹性理论就人民币实际汇率对我国进出口国别结构的影响进行了实证分析。
This thesis using purchasing theory and theory of elasticity is aiming to carry out empirical analysis to examine the influence between RER of RMB and import and export.
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