This paper sums up and analyzes some doubts on Marx's theory of average profit rate, probes into the reasons why these doubts exist, and expounds how to understand correctly this theory.

总结和分析了对马克思平均利润率理论理解上的一些疑惑，探究了这些疑惑存在的原因，并对如何正确理解该理论进行了阐述。

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Avoid using historical rates in the income statement (or make sure the total net profit is converted at average rate).

避免在利润表中使用历史汇率(或确保净利润总计以平均汇率转换)。

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Economic growth, interest rate and inflation determine the average market profit rate level of the securities market.

经济增长、利率以及通货膨胀决定证券市场的平均市盈率水平。

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This is nothing more than the average of the rate of profit being made by everyone.

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Although we expect IBM to maintain its high margins given the strength of its GBS business, a contraction in GBS profit margin in the future to historical average of rate of 12.5% would result in downside of 5% to the Trefis price estimate.

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