IMF-产业政策与企业绩效_一种增强的关系（英）-2025.7_56页_23mb

报告摘要

Industrial Policies and Firm Performance: A Summary

Core Aim: To analyze the relationship between industrial policies (IPs) and firm performance across various economic contexts and policy instruments.
Key Findings by Instrument:
- Protectionist Domestic Subsidies: Short-term positive effects on value-added (VA), Total Factor Productivity (TFP), and payroll; these gains are reversed in the medium term. More sustained (though unmediated by TFP) positive effects on capital stock. Stronger effects for younger and more financially constrained firms.
- Protectionist Export Incentives: Short-term declines in firm-level outcomes (VA, TFP, capital, payroll), followed by medium-term improvements (especially TFP) in most cases. Younger and financially constrained firms experience smaller initial losses and faster recoveries.
- Liberalizing Trade Barriers: Robust positive association with medium-term improvements in VA and TFP. Effects are more pronounced on capital accumulation and payroll but less persistent than subsidies. Distributions by firm age and financial constraints are less significant.
Heterogeneous Effects Across Firms:
- Positive effects of IPs (linkage with VA, TFP, PA) are generally stronger for younger firms and more credit-constrained firms.
- Liberalizing trade barriers show less pronounced heterogeneity effects compared to subsidies or export incentives.
Industry-Specific Effects:
- Industry-level distortions (high markups + high external financial dependence) are associated with larger positive effects from protectionist IPs on firm outcomes (except TFP in low-distortion industries).
- Cross-Sectoral Spillovers:
  - Protectionist IPs in upstream industries positively affect downstream firms.
  - Protectionist IPs in downstream industries negatively affect upstream firms (by reducing their input demand).
  - The positive spillovers from liberalizing IPstoward other sectors are consistently present and larger in magnitude.
Tit-for-Tat Dynamics: Countries introducing more protectionist IPs when other countries do so weakens the positive association between domestic subsidies and firm-level VA. Conversely, conducting more liberalizing policies strengthens the link.
Methodology: Employs a novel, large-scale database combining policy texts (GTA) and firm-level data (ORBIS). Uses local projection IV estimations to account for endogeneity. Concludes with the limitations of the study regarding aggregate welfare implications and potential retaliatory measures.