INNOVATION MEASUREMENT BASED ON CITATION STRUCTURE AND SYSTEM PERFORMANCE DRIVEN PATH MODELING METHOD
Keywords:
Causal modeling, Mediation mechanism, System performance, Total factor efficiencyAbstract
To bridge the gap in quantitative innovation analysis and causal pathway modeling for complex citation networks, this study proposes the INFORM framework (integrating Structural Innovation Measurement [OI], Nested Causal Modeling, and TFP Mediation Mechanism). Using USPTO/PATSTAT patent data (426,000 nodes and 5.832 million edges), we empirically verify the "structural innovation → system efficiency → system performance" path through two-way fixed effects and 2SLS methods. Results demonstrate that structural innovation has a statistically significant positive impact on performance (p<0.01), with TFP mediation explaining 28-34% of the variance. Four robustness tests confirm the framework's validity. This innovative approach overcomes traditional citation analysis limitations, extends to multi-citation scenarios, and provides a novel tool for patent value assessment.References
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