This simple example is derived from an economic law discovered by David Ricardo that has always fascinated me, called the law of Comparative Advantage.

这个简单的例子来自于大卫•李嘉图发现的一条经济学定律，即所谓的“比较优势法则”，它总能让我着迷。

youdao

The Comparative Advantage Theory of David Ricardo is constructed on a series of assumptions including perfect competition and constant returns to scale.

李嘉图的比较优势理论是建立在完全竞争与规模报酬不变等一系列假设条件之下的。

youdao

For anyone wanting a painless primer in the ideas of Adam Smith, David Ricardo or more recent economists, such as Paul Samuelson, this is the place to find it.

对于所有希望不费周折便能对亚当史密斯，大卫里卡多，以及时代稍近的经济学家诸如保尔萨姆尔森的理念有所了解的话，此书乃是理想之选。

youdao

However, as David Ricardo observed almost 200 years ago, economic optimisation is about comparative advantage.

ECONOMIST: Education and sex

We can support it with David Ricardo kinds of arguments--productivity, wealth and those good things.

FORBES: Who Will Speak for Free Trade?

As David Ricardo described way back in the 18th century, economies should focus on their comparative advantages.

FORBES: The Baffling Economics Of The Island Of Sodor