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首页> 外文期刊>Journal of International Money and Finance >Purchasing power parity and the theory of general relativity: the first tests
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Purchasing power parity and the theory of general relativity: the first tests

机译:购买力平价和广义相对论:第一个检验

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摘要

We implement novel tests of general relative purchasing power parity (PPP), defined as a long-run unit elasticity of the nominal exchange rate with respect to relative national prices, allowing for potentially permanent real exchange rate shocks. The finite-sample properties of the estimators used are analyzed through Monte Carlo analysis, allowing for country heterogeneity, cross-sectional dependence and non-stationary disturbances. Application to panel data sets of industrialized and developing economies reveals that inflation differentials are on average reflected one-for-one in long-run nominal exchange rate depreciation—i.e. that general relative PPP holds.
机译:我们对一般相对购买力平价(PPP)进行了新颖的测试,定义为名义汇率相对于相对国家价格的长期单位弹性,从而允许潜在的永久性实际汇率冲击。通过蒙特卡洛分析法对所用估计量的有限样本性质进行了分析,考虑到了国家的异质性,横截面依赖性和非平稳干扰。对工业化和发展中经济体的面板数据集的应用表明,通货膨胀差异平均是长期名义汇率贬值中的一对一反映,即一般相对的PPP成立。

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