企业研发投资的持续性与波动性：从技术能力视角的再审视

The persistency and volatility of the firm R&D investment: Revisited from the perspective of technological capability

• Taewon Kang · 首尔国立大学
• Chulwoo Baek 通讯
• Jeong‐Dong Lee · 首尔国立大学