It is now a standard textbook model in the economics literature.

购买力平价已经成为一个标准的经济学教科书模型。

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According to the textbook model of the world, rich countries export their capital to poor countries to foster faster growth.

按照教科书里的世界模型，富国向穷国输出资本，以促成更快的增长。

youdao

This is the “loanable funds” model of the interest rate, which is in every textbook, mine included. It looks like this

这就是出现在几乎每一本教科书里的利率的“可贷资金”模型，我写的书也不例外。

youdao

The answer is that the aerospace industry does not fit the textbook model of perfect competition.

ECONOMIST: Peace in our time

We were looking for a new model to be able to reduce the cost of acquiring textbooks and, ultimately, it became a textbook rental model.

FORBES: An Interview with Dan Rosensweig of Chegg

Especially if McGraw Hill were to change the textbook publishing model at the same time.

FORBES: Should Barnes and Noble Break Up? Float Off the Nook To Compete With Amazon and Apple?