TableĀ 1

Industrial digitalization participation indicator system

First-level indicatorsSecond-level indicatorsMeasurement methodWeightsIndicator typeData sources
Participation Depth (38.0%)Knowledge depthNumber of patents for digitized inventions filed by enterprises during the window period divided by the number of IPC subclasses5.23%QuantificationChina Research Data Services Platform
Technology demonstrationWhether the enterprise has been recognized by the MIIT as a digitalization demonstration enterprise5.24%QualitativeThe official website of MIIT
Embedding depthImplementation of Industrial Internet in Listed Companies18.00%QualitativeWind Economic Database
Knowledge flowPatent citations for corporate digital technology inventions9.53%QuantificationChina Research Data Services Platform
Participation Breadth (35.3%)Knowledge breadthNumber of IPC subclasses covered by patents for digitized inventions filed by enterprises during the window period6.03%QuantificationChina Research Data Services Platform
Technology serviceWhether the enterprise has set up a digital platform to provide services for the digitization of other enterprises in the industry, if the enterprise has set up a digital platform, the value will be assigned to 1, otherwise, it will be 018.33%QualitativeWind Economic Database
Talent leadershipNumber of publicly traded companies in which management with an information technology background is concurrently employed5.40%QuantificationChina Stock Market Accounting Research
Technology spilloverFrequency of supply chain keywords in MD&A that are less than 10 words away from digital transformation category keywords5.54%QualitativeWind Economic Database
Participation Frequency (26.7%)Main body cooperationNumber of digital technology patents jointly filed by enterprises and other innovation agents12.30%QuantificationChina Research Data Services Platform
Strategic cooperationNumber of digital collaborations between businesses8.47%QuantificationChina Stock Market Accounting Research
Demonstration intensityFrequency of companies appearing in the list of digital demonstration companies5.94%QuantificationThe official website of MIIT

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