根据传统经济学的经验，垄断者应不惜重金搞科研。
Conventional economic wisdom holds that monopolies should spend heavily on research.
他的分析总很仔细，而且他的文字凭几十年搞新闻的经验和经济学的背景。
His analysis is always thoughtful and based on his decades of experience in journalism and background in economics.
本文从经济学角度比较分析各环境政策工具的有效适用性，并例举若干国家的实际应用成败经验。
In this paper, some environmental policy instruments are analyzed based on economics, and some country cases are presented in the end.
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