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大卫·李嘉图:政治经济学及赋税原理·摘录 345

大卫·李嘉图《政治经济学及赋税原理》· On the Principles of Political Economy and Taxation · 投资

If the comprehensive mind of Adam Smith had been directed to this fact, he would not have maintained that rent forms one of the component parts of the price of raw produce; for price is everywhere regulated by the return obtained by this last portion of capital, for which no rent whatever is paid. If he had adverted to this principle, he would have made no distinction between the law which regulates the rent of mines and the rent of land.

出处: https://www.gutenberg.org/ebooks/33310
定位:Excerpt 345 · 核对日期:2026-10-19 · 核验:短摘录

白话

李嘉图认为,如果亚当·斯密注意到边际土地不支付地租这一事实,就不会把地租当作农产品价格的组成部分。因为价格由最后投入的、不支付地租的那部分资本的回报决定。斯密若看到这一点,也会明白矿山地租和土地地租受同一原则支配。李嘉图的意思是,地租是价格高昂的结果,而非原因;是较差的土地被耕种推高了价格,从而给较好的土地带来地租。所以分析地租要盯住边际,而不是平均。

上下文

李嘉图在书中纠正斯密,强调边际原理适用于矿山和土地。

今日一问

你分析问题时,是否习惯看边际而非平均?

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