Media type: E-Article Title: Long run patterns of corporate R&D expenditure Contributor: Graves, Samuel B. Published: Elsevier BV, 1989 Published in: Technological Forecasting and Social Change, 35 (1989) 1, Seite 13-27 Language: English DOI: 10.1016/0040-1625(89)90044-9 ISSN: 0040-1625 Keywords: Management of Technology and Innovation ; Applied Psychology ; Business and International Management Origination: Footnote: