“Jacobs externality”的概念、定义、翻译、参考文献-科学参考

单词	Jacobs externality
释义	Jacobs externality Encyclopedia 经济学多样化生产释 Jacobs externality雅各布斯外部性不同行业之间发生的知识外溢使相关行为主体或整个社会受益但受益者无须付费的特性，是集聚产生的一种正外部性。因美国记者、作家、城市活动家、学者J.雅各布斯（Jane Jacobs，1916-05-04～2006-04-25）的强调而得名。
随便看	aquatic animal health services，AAHS aquatic animal health surveilance aquatic animal inflammation aquatic animal migration aquatic animal reproduction nutrition Aquatic animal reproductive biology aquatic animals bioavailability aquatic animals cell culture aquatic animals coded wire tags aquatic animals external marking aquatic animals external tags aquatic animals formulated feed aquatic animals genetic markers aquatic animals migratory channels obstructing aquatic animalspassive intergraded transponder tag aquatic animals pop-up satellite archival tags aquatic animals ratio tag aquatic animals tag and mark aquatic animals ultrasonic tag aquatic animals visible implant tag aquatic biodiversity aquatic biotoxins aquatic brood stock aquatic chemical products aquatic chemistry of acid rain

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