Datasets for the research on "Do large firms benefit more from R&D Investment?"

This is the complete raw data sample used for the paper examining the question - Do large firms benefit more from R&D Investment?本数据集为探究「大型企业是否可从研发（R&D）投资中获取更多收益」这一问题的研究论文所采用的完整原始数据样本。