Braginskij, Sergej V.; Choi, Joonkyu; Ding, Yuheng; Jo, … - National Bureau of Economic Research - 2023
We use the U.S. patent data merged with firm-level datasets to establish new facts about the role of mega firms in generating "novel patents"--innovations that introduce new combinations of technology components for the first time. While the importance of mega firms in novel patents had been...