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Juan Reyes

PhD Candidate in Economics

The Macroeconomic Effects of AI Uncertainty*


Working Paper


Juan Rufino M. Reyes
ESCoE Discussion Paper No. 2026-02, King's College London, Economic Statistics Centre of Excellence, 2026 Feb

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APA   Click to copy
Reyes, J. R. M. (2026). The Macroeconomic Effects of AI Uncertainty*. ESCoE Discussion Paper No. 2026-02. Economic Statistics Centre of Excellence.


Chicago/Turabian   Click to copy
Reyes, Juan Rufino M. The Macroeconomic Effects of AI Uncertainty*. ESCoE Discussion Paper No. 2026-02. Economic Statistics Centre of Excellence, February 2026.


MLA   Click to copy
Reyes, Juan Rufino M. “The Macroeconomic Effects of AI Uncertainty*.” ESCoE Discussion Paper No. 2026-02, Economic Statistics Centre of Excellence, Feb. 2026.


BibTeX   Click to copy

@techreport{juan2026a,
  title = {The Macroeconomic Effects of AI Uncertainty*},
  year = {2026},
  month = feb,
  institution = {Economic Statistics Centre of Excellence},
  journal = {ESCoE Discussion Paper No. 2026-02},
  school = {King's College London},
  author = {Reyes, Juan Rufino M.},
  month_numeric = {2}
}

* Best Paper, 8th Queen Mary University of London (QMUL) Economics and Finance Workshop

This paper examines the macroeconomic effects of uncertainty shocks related to artificial intelligence (AI) through a novel text-based AI Uncertainty (AIU) Index. I identify AI uncertainty shocks using an SVAR with an external instrument that isolates the uncertainty component of AI-related news coverage. The results indicate that an increase in AI uncertainty generates contractionary effects concentrated in equity prices, wages, and hours worked, while employment and industrial production remain largely unaffected. This transmission pattern differs from that of conventional uncertainty shocks, which produce broader movements across macroeconomic aggregates. Industry-level estimates reveal heterogeneous labour market adjustments, with industries more exposed to AI showing stronger responses.

Presented at the following conferences and seminars:

  • 2025 King's Business School (KBS) Doctoral Symposium
  • 2025 Warwick Business School (WBS) PhD Workshop on Fintech
  • 2025 ESCoE Researcher Workshop
  • ESCOE Economic Measurement Webinar
  • 4th UK Digital Economics Workshop
  • 2025 UNSW-ESCoE Conference on Economic Measurement
  • ESCoE Conference on Economic Measurement 2026
  • 8th Queen Mary University of London (QMUL) Economics and Finance Workshop
  • International and Monetary Economics Network Webinar
  • International Association for Applied Econometrics (IAAE) 2026 Annual Conference 
  • Royal Economic Society 2026 Annual Conference 
  • Banca D'Italia Conference on Macroeconomic Modelling in Times of Uncertainty

Suggested Citation:

Reyes, J. (2026). The Macroeconomic Effects of AI Uncertainty. Economic Statistics Centre of Excellence (ESCoE) Discussion Paper 2026-02, Available at SSRN: https://ssrn.com/abstract=6233958 or http://dx.doi.org/10.2139/ssrn.6233958


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