2026-10-12T11:11:59Z https://www.scidb.cn/oai

10.57760/sciencedb.j00289.00279 2026-05-06T11:14:55Z

2026-05-06 Matched Dataset of Corporate Innovation Quality and City-level AI Enterprise Size Distribution for China's A-share Listed Companies doi:10.57760/sciencedb.j00289.00279 en This dataset provides baseline regression data to explore the impact of the size distribution of artificial intelligence enterprises on corporate innovation quality. The sample period covers 2006 to 2023, comprising a matched panel dataset of firm-level characteristics of China's A-share listed companies and the macroeconomic environment of their corresponding prefecture-level cities. Artificial Intelligence Industry; Enterprise Size Distribution; Innovation Quality Wang Hai Liu Xin Jiang Hao RESTRICTED dataset Science Data Bank