Knowledge Spillovers and Patent Citations: Evidence from a Survey of Inventors
通过调查发明人，研究专利引用能否反映知识溢出，为经济学中创新与知识传播的研究提供实证依据。
Knowledge Spillovers and Patent Citations: Evidence from a Survey of Inventors by Adam B. Jaffe, Manuel Trajtenberg and Michael S. Fogarty. Published in volume 90, issue 2, pages 215-218 of American Economic Review, May 2000