投资 · 西方古典
大卫·李嘉图：政治经济学及赋税原理·摘录 243
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
In the same manner a tax on the profits of the farmer would raise the price of corn; a tax on the profits of the clothier, the price of cloth; and if a tax in proportion to profits were laid on all trades, every commodity would be raised in price. But if the mine, which supplied us with the standard of our money, were in this country, and the profits of the miner were also taxed, the price of no commodity would rise, each man would give an equal proportion of his income, and every thing would be as before.
出处：
https://www.gutenberg.org/ebooks/33310
定位：Excerpt 243 · 核对日期：2026-10-19 · 核验：短摘录
白话
同样，对农场主利润征税会提高谷物价格，对布商利润征税会提高布价；如果对所有行业按利润比例征税，所有商品都会涨价。但如果提供货币标准的矿山在本国，且矿主利润也被征税，那么没有商品会涨价，每个人按收入同等比例负担，一切照旧。
上下文
李嘉图讨论普遍利润税与局部利润税的不同后果，并引入货币标准矿山的假设。
今日一问
如果所有行业都按相同比例加税，你认为物价会普遍上涨吗？为什么？
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