Chun, Dongphil; Chung, Yanghon; Woo, Chungwon; Seo, Hangyeol - In: Sustainability 7 (2015) 5, pp. 5120-5138
Research and development (R&D) is a critical factor in sustaining a firm’s competitive advantage. Accurate measurement of R&D productivity and investigation of its influencing factors are of value for R&D productivity improvements. This study is divided into two sections. The first section...