productivity. We investigate these phenomena further by examining the relationship between plant-level productivity and firm …-level R&D. We find that (1) the productivity-enhancing effects of parent firm R&D are diminished by geographic distance from … the research lab and `technological' distance between the product-field focus of the R&D and the plants; (2) productivity …

productivity. We investigate these phenomena further by examining the relationship between plant-level productivity and firm …-level Ramp;D. We find that (1) the productivity-enhancing effects of parent firm Ramp;D are diminished by geographic distance …) productivity appears to depend on the intensity of parent firm Ramp;D (Ramp;D per plant), not on the total amount; and (3 …

We find that the effects of parent firm R & D on plant-level productivity are diminished by both the geographic and … technological distance between the research lab and the plants, that productivity appears to depend on R & D per plant rather than …