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The Stochastic Simulations of the Commission’s Debt Sustainability Analysis: A Refined Approach

Author

Listed:
  • Frédérique Bec
  • François Courtoy
  • Philipp Mohl
  • Frederic Opitz

Abstract

Stochastic debt projections are essential for understanding uncertainties in debt dynamics and ensuring robust debt sustainability analyses. The Commission’s stochastic debt sustainability analysis (SDSA) currently features two technical aspects that deserve to be addressed: i) the non-consideration of the persistence of shocks and ii) the assumption of a Gaussian distribution for simulating shock trajectories. This paper presents two technical refinements to improve the Commission’s SDSA by i) allowing for the persistence of shocks by applying a pre-filtering approach with a shock-specific lag structure across all countries and ii) implementing a bootstrapping technique to relax the Gaussian distribution assumption. These new features will be incorporated in the Commission’s DSA, to identify fiscal sustainability risks.

Suggested Citation

  • Frédérique Bec & François Courtoy & Philipp Mohl & Frederic Opitz, 2025. "The Stochastic Simulations of the Commission’s Debt Sustainability Analysis: A Refined Approach," European Economy - Discussion Papers 226, Directorate General Economic and Financial Affairs (DG ECFIN), European Commission.
  • Handle: RePEc:euf:dispap:226
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    More about this item

    JEL classification:

    • H63 - Public Economics - - National Budget, Deficit, and Debt - - - Debt; Debt Management; Sovereign Debt
    • E62 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Fiscal Policy; Modern Monetary Theory
    • C15 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Statistical Simulation Methods: General
    • C22 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes
    • C53 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Forecasting and Prediction Models; Simulation Methods

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