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Risk Management for Sovereign Debt Financing with Sustainability Conditions

Author

Listed:
  • Marialena Athanasopoulou
  • Andrea Consiglio
  • Aitor Erce
  • Angel Gavilan
  • Edmund Moshammer
  • Stavros A. Zenios

Abstract

We develop a model of debt sustainability analysis with optimal financing decisions in the presence of macroeconomic, financial and fiscal uncertainty. We define a coherent measure of refinancing risk, and trade off the risks of debt stock and flow dynamics, subject to debt sustainability constraints and endogenous risk and term premia. We optimize both static and dynamic financing strategies, compare them with several simple rules and consol financing to demonstrate economically significant effects of optimal financing, and show that the stock-flow tradeoff can be critical for sustainability. We quantify the minimum refinancing risk and the maximum rate of debt reduction that a sovereign can achieve given its economic fundamentals, and extend the model to identify optimal timing for debt flow adjustments that allow the sovereign to go beyond these limits. We put the model to the data on three real-world cases: a representative euro zone crisis country, a low-debt country (Netherlands) and a high-debt country (Italy). These applications illustrate the use of the model in informing diverse policy decisions on sustainable public finance. The model is part of the European Stability Mechanism toolkit to assess debt sustainability and repayment capacity of member states in the context of financial assistance.

Suggested Citation

  • Marialena Athanasopoulou & Andrea Consiglio & Aitor Erce & Angel Gavilan & Edmund Moshammer & Stavros A. Zenios, 2019. "Risk Management for Sovereign Debt Financing with Sustainability Conditions," Globalization Institute Working Papers 367, Federal Reserve Bank of Dallas.
  • Handle: RePEc:fip:feddgw:367
    DOI: 10.24149/gwp367
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    References listed on IDEAS

    as
    1. Mark Aguiar & Manuel Amador & Hugo Hopenhayn & Iván Werning, 2019. "Take the Short Route: Equilibrium Default and Debt Maturity," Econometrica, Econometric Society, vol. 87(2), pages 423-462, March.
    2. Missale, Alessandro, 1997. " Managing the Public Debt: The Optimal Taxation Approach," Journal of Economic Surveys, Wiley Blackwell, vol. 11(3), pages 235-265, September.
    Full references (including those not matched with items on IDEAS)

    More about this item

    Keywords

    sovereign debt; sustainability; debt financing; optimization; stochastic programming; scenario analysis; conditional Value-at-Risk; risk measures;

    JEL classification:

    • C61 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Optimization Techniques; Programming Models; Dynamic Analysis
    • C63 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Computational Techniques
    • D61 - Microeconomics - - Welfare Economics - - - Allocative Efficiency; Cost-Benefit Analysis
    • E3 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles
    • E47 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Forecasting and Simulation: Models and Applications
    • E62 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Fiscal Policy
    • F34 - International Economics - - International Finance - - - International Lending and Debt Problems
    • G38 - Financial Economics - - Corporate Finance and Governance - - - Government Policy and Regulation
    • H63 - Public Economics - - National Budget, Deficit, and Debt - - - Debt; Debt Management; Sovereign Debt

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