测量不可测量之物:一个国家在产品和服务创新上的非研发支出

Measuring the unmeasurable: a country's non-R&D expenditure on product and service innovation

RESEARCH POLICY · 1997
被引 95
人大 AFT50ABS 4*
创新经济学产业组织创新测量研发与非研发创新