Location analysis on economic activity is one of the most ancient and most important topics in regional economics and economic geography.

经济活动的区位分析是区域经济学和经济地理学领域最古老和最重要的研究内容之一。

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Mainstream economics refuses value judgment so they often get into theoretic difficult position on realistic topics, esp. on the explanation of the poor's behavior.

主流经济学排除价值判断，在现实问题尤其是对穷人行为的解释上常常陷入理论的贫困状态。

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Mainstream economics refuses value judgment so they often get into theoretic difficult position on realistic topics, esp. on the explanation of the poor's behavior.

主流经济学排除价值判断，在现实问题尤其是对穷人行为的解释上常常陷入理论的贫困状态。

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