【作者(必填)】Furman, Jeffrey, Margaret K. Kyle, Iain Cockburn, and Rebecca M. Henderson

【文题(必填)】knowledge Spillovers, Geographic Location, and the Productivity of Pharmaceutical Research

【年份(必填)】Annales d'économie et de statistique, nos. 79-80 (July–December 2005)

【全文链接或数据库名称(选填)】https://www.sciencedirect.com/sc ... i/S157400800480018X