## Industrial Policies for Innovation: A Cost-Benefit Framework

_IMF Working Papers, August 16, 2024_

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## Bibliographic details
- Authors: Daniel Garcia-Macia, Alexandre Sollaci
- Published: August 16, 2024
- Series: IMF Working Papers
- DOI: https://doi.org/10.5089/9798400288401.001

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### Overview
- Research question: When and how should governments use industrial policy to direct innovation to specific sectors?
- Core contribution: Develops a framework to analyze the costs and benefits of industrial policies for innovation.
- Basis: Framework built on a model of endogenous innovation with a sectoral network of knowledge spillovers (Liu and Ma 2023), extended to capture implementation frictions and alternative policy goals.
- Authors and date: By Daniel Garcia-Macia, Alexandre Sollaci — August 16, 2024.

### Framework and model
- Model features:
  - Endogenous innovation.
  - Sectoral network of knowledge spillovers (Liu and Ma 2023).
  - Extensions to capture implementation frictions and alternative policy goals.
- Policy instruments compared:
  - Sector-specific fiscal support.
  - Sector-neutral support.

### Key simulation findings
- Conditions under which sector-specific support is preferable:
  - Externalities are well measured (example given: greenhouse gas emissions).
  - Domestic knowledge spillovers of targeted sectors are high (typically in larger economies).
  - Administrative capacity is strong (including the ability to avoid misallocation to politically connected sectors).
- Sensitivity to unmet conditions:
  - If any of these conditions are not fully met, welfare impacts of industrial policy quickly become negative.
- Optimal allocation insights:
  - Entails greater subsidies to greener sectors.
  - Cross-sector knowledge spillovers matter for optimal allocation.

### Empirical assessment (sample of technologically advanced economies)
- Finding: Existing industrial policies seem to be directing innovation to broadly the right sectors.
- Caveat: Direction is to an excessive degree in most economies, including China and the United States.

### Policy implications and recommendations
- Prefer sector-specific fiscal support only under restrictive conditions:
  - Accurate measurement of externalities (e.g., greenhouse gas emissions).
  - High domestic knowledge spillovers in targeted sectors.
  - Strong administrative capacity to implement and avoid political misallocation.
- Where conditions are not met:
  - Sector-neutral support is generally preferable given risk of negative welfare impacts.
- Design principle:
  - Allocate greater support to greener sectors while accounting for cross-sector knowledge spillovers.

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_Source: https://www.imf.org/en/publications/wp/issues/2024/08/15/industrial-policies-for-innovation-a-cost-benefit-framework-553520_