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articleAbstract=首先分析了在必要的专利制度缺失情形下,由于创新资源的公共物品特性,使得使用者产生了“免费搭乘”的动机,使得社会必要的创新资源的总供给量总是严格小于对整个社会帕雷托最优的提供量。其次,通过建立一个合理专利保护期的理论模型,论证了一个合理专利制度的设立问题。, authors=王帮俊,周敏, authorsList=王帮俊;周敏, authorCompany=中国矿业大学管理学院, correspAuthors=null, authorNote=null, correspAuthorsNote=王帮俊, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=HusPf9Mto6nHDGsTq1A0lg==, pdfFileSize=163149, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null)}, authors=null, keywords=[Keyword(id=1242117846357053471, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1242117845581103781, language=CN, orderNo=1, keyword=专利制度), Keyword(id=1242117846470296230, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1242117845581103781, language=CN, 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