International Competition , R & D Investment Patterns , and Endogenous Sunk Costs in Canada and the United States , 1987-2002

semanticscholar(2015)

引用 0|浏览1
暂无评分
AI 理解论文
溯源树
样例
生成溯源树,研究论文发展脉络
Chat Paper
正在生成论文摘要