搜索结果: 1-1 共查到“经济学 Labs”相关记录1条 . 查询时间(0.044 秒)
Spatial Diversity in Invention:Evidence from the Early R&D Labs
R&D invention location cities
2015/5/13
This article uses historical data on inventor and firm R&D lab locations to examine the technological and geographic structure of corporate knowledge capital accumulation during a formative period in ...