Was Electricity a General Purpose Technology? Evidence from Historical Patent Citations
利用历史专利引用数据，检验电力是否具备通用技术的特征，为理解技术变革对经济的影响提供证据。
Was Electricity a General Purpose Technology? Evidence from Historical Patent Citations by Petra Moser and Tom Nicholas. Published in volume 94, issue 2, pages 388-394 of American Economic Review, May 2004