He is known for his proposed definition of economics, and for his implement efforts.

他因其提出的经济学定义及其所投入的努力而闻名于世。

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There is a difficulty in the definition of transaction cost which is a core notion of institution economics.

作为制度经济学核心概念的交易成本至今存在着界定上的混乱状态。

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The paper offers an introduction to the definition, research methods, application steps and functions of pharmaceutical economics.

文章对药物经济学的定义、研究方法、实施步骤及作用进行了介绍。

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Once you consider the enormity of this - a situation that many in modern politics, finance and economics might regard as the definition of "unfreedom", you understand why it has become so hard for Barroso, Merkel et al to formulate a plan.

BBC: Thinking outside the 1930s box

Secondly, we deliberately mine, or do not mine, certain deposits of those other minerals as a result of the co-production of indium (this same economics is true of all of the minor metals, indeed, the definition often used of minor metal is one that is extracted as a co-product).

FORBES: What Will Apple Do When Indium Runs Out in 2017?

Perhaps 20 years ago most trade negotiators would have settled for the definition in an elementary economics textbook: an absence of tariffs and quotas on goods.

ECONOMIST: A survey of world trade