对马歇尔—勒纳条件的验证与修正

The Verification of and Amendment to Marshall-Lerner Condition

本文首先对马歇尔—勒纳条件进行了图解分析，继而对其进行了数学证明，然后给出了计算贬值的国际收支效应的正确方法。指出，证明并修正了《对马歇尔—勒纳条件的修正》一文的错误，最后给出了马歇尔——勒纳条件的几个修正条件，其中包括：罗宾逊—梅茨勒条件、高山晟条件。

This article has presented firstly Marshall-Lerner condition, its diagrammatic and mathematical analyses and then introduced some approaches of revision for calculating devaluating effects on the balance of payments.It has pointed out, verified and corrected mistakes in The Correction of Marshall-Lerner Condition. Finally, the author has presented some amending conditions, including Robinson-Metzler, Takayama and Harberger conditions.