研发强度与增长之间存在线性关系吗？非高科技与高科技中小企业的实证证据

Is there a linear relationship between R&D intensity and growth? Empirical evidence of non-high-tech vs. high-tech SMEs

• Paulo Maçãs Nunes
• Zélia Serrasqueiro 通讯
• João Leitão