TY - JOUR TI - Identifying Technology Spillovers and Product Market Rivalry AU - Nicholas Bloom AU - Mark A. Schankerman AU - John Michael Van Reenen JO - Econometrica PY - 2013 VL - 81 IS - 4 DO - 10.3982/ecta9466 UR - https://doi.org/10.3982/ecta9466 ER -