Decoupling Uncertainty × Innovation Efficiency
A-share listed firms, 2013–2024 — Panel regression diagnostics
Time Series
DUI Index (firm-year mean & IQR)
Innovation Efficiency (ln_eff3)
Investment Intensity (% assets)
R&D Intensity (% revenue)
Heterogeneity
Efficiency by Ownership
Efficiency by Industry Concentration
DUI vs Efficiency (N=3,000 random sample)
All
By ownership
By concentration
Identification & Robustness
Coefficient Estimates (95% CI)
Robustness Summary
Exclusion Restriction Evidence
Mediation Path
a-path: DUI → INV_shao
Mediation proportion (%)
Data Tables
Descriptive Statistics
Panel Structure by Year
Heterogeneity (Subgroup Regressions)
Full Regression Results
Identification Tests (Full Detail)