Research Article

Research on the Influence Mechanism of the Across-Industrial-Chain Investment Speed on Innovation Performance of AI Enterprises: Improvement Path of Artificial Intelligence Technology Application

Table 2

Description of specific variables.

Name of variableVariable means

FtfpTotal factor productivity
SpeedAnnual cross-industry chain investment speed of AI enterprise
LntsAI enterprise technology accumulation
RdratechainIndustrial R&D investment level of industries invested by AI enterprises
ChainnumberInvestment span of industrial chain
AgeEstablishment time of AI enterprise
RoaROA (return on asset)
OwnershipEnterprise ownership of the AI enterprise
IndgrowIndustry growth rate of AI enterprise
SizeScale of AI enterprise
LngdpGDP of the region where AI enterprise is located
YearAnnual dummy variable
IndustryIndustry dummy variable