To mitigate environmental problems, in recent decades some countries have developed a variety of market-oriented policy tools, such as environmental taxes, fees, or emission trading.

为了减轻环境问题，在近数十年来，一些国家已经制定了以市场为导向的政策工具，如环境税、费，或排放交易等。

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It demonstrates that market-oriented city-size is smaller than that of social-optimal level, and the effective play of public policy is beneficial to promoting economy growth.

研究表明，市场主导的城市规模低于社会最优水平的城市规模，公共政策的有效发挥有利于促进经济增长。

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CRP has established an optimal cost-benefit oriented mechanism, by means of policy and market, taking into account both environmental social benefits and farmers' interests.

项目实施以来，建立了一套以政策手段与市场机制相结合，以优化成本效益为导向，兼顾环境社会效益与农民利益的补贴及管理机制。

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All four Republicans responding to the Register survey, for example, supported Freedom to Farm and its shift to a more market-oriented agriculture policy.

CNN: By GEORGE ANTHAN/DES MOINES REGISTER

Grace-Marie Turner is president of the Galen Institute, a free-market oriented public policy organization that focuses on health care issues.

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The most recent edition of HWR, hosted by Jared Rhoads of the Lucidicus Project, contains the work of a number of left-of-center health policy types (and a few market-oriented types to boot), who often have interesting perspectives on health care because they are directly involved in the field.

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