投资 · 西方古典
大卫·李嘉图：政治经济学及赋税原理·摘录 166
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
To simplify the question, I have been supposing the trade between two countries to be confined to two commodities, to wine and cloth, but it is well known that many and various articles enter into the list of exports and imports. By the abstraction of money from one country, and the accumulation of it in another, all commodities are affected in price, and consequently encouragement is given to the exportation of many more commodities besides money, which will therefore prevent so great an effect from taking place on the value of money in the two countries, as might otherwise be expected.
出处：
https://www.gutenberg.org/ebooks/33310
定位：Excerpt 166 · 核对日期：2026-10-19 · 核验：短摘录
白话
为简化问题，我假设两国只交换酒和布，但实际贸易商品众多。货币从一国流出、在另一国积累，会影响所有商品价格，从而鼓励更多商品（不仅是货币）的出口，这又会阻止两国货币价值发生预期那么大的变化。也就是说，多种商品和货币流动会缓冲单一商品模型下的剧烈价格变动，使现实更复杂。
上下文
李嘉图承认其两国两商品模型是抽象简化，现实贸易商品多样，货币流动会调节价格。
今日一问
当你用简单模型理解复杂经济时，是否意识到现实中有多种商品和货币流动会缓冲极端结果？
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