论置盐定理与马克思利润率下降理论的区别与互补

发布时间：2018-07-21 19:13

【摘要】：置盐定理通常被认为挑战了马克思的利润率下降理论。然而,我们用一个单部门模型将置盐定理表述为总量形式,发现马克思和置盐的技术变动是不同类型。在马克思模型中,导致资本有机构成提高进而使得利润率下降的新技术要被资本家采用的前提是实际工资提高。从而,不论是在马克思还是在置盐的理论中,实际工资提高都是利润率下降的必要条件。马克思利润率下降理论中的技术变动会导致不变资本增速超过净产出,难以持续。因此,马克思利润率下降理论描述的是生产力发展受阻时的技术变动,置盐定理则描述的是生产力发展时的技术变动,两者互补。但马克思的利润率下降理论中所描述的技术变动源于资本主义内在矛盾,所展示的是资本主义内生性趋势。
[Abstract]:The salt-setting theorem is generally considered to challenge Marx's theory of profit-margin decline. However, we use a single-sector model to express the salt theorem as the total amount, and find that the technical changes of Marx and salt are different types. In Marx's model, the premise that the new technology which leads to the increase of organic composition of capital and the decline of profit margin should be adopted by capitalists is the increase of real wages. Thus, in both Marx's and salt's theory, higher real wages are a necessary condition for a decline in profit margins. The technological changes in Marx's theory of decline in profit margin will result in unchangeable capital growth exceeding net output, which is difficult to sustain. Therefore, Marx's theory of decreasing profit rate describes the technological changes when the development of productive forces is blocked, and the salt placing theorem describes the technological changes in the development of productive forces, which complement each other. However, the technological change described in Marx's theory of decline of profit margin originates from the inherent contradiction of capitalism and shows the endogenous trend of capitalism.
【作者单位】：四川大学经济学院;
【基金】：国家社科基金青年项目“马克思宏观经济学模型研究”(14CJL038)
【分类号】：F014;F091.91

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