TY - JOUR AU1 - Hirschey, Mark AU2 - TI - Intangible Capital Aspects of Advertising and R & D Expenditures JF - The Journal of Industrial Economics DO - 10.2307/2097924 DA - 1982-06-01 UR - https://www.deepdyve.com/lp/crossref/intangible-capital-aspects-of-advertising-and-r-d-expenditures-6Haqv2n4fs SP - 375 VL - 30 IS - 4 DP - DeepDyve ER -