Sovereign Debt Management and Fiscal Vulnerabilities

20 Pages Posted: 20 Jun 2012

See all articles by Alessandro Missale

Alessandro Missale

University of Milan - Department of Business Policy and Economics

Date Written: May 2012

Abstract

A wide consensus has emerged on the role of debt management in reducing fiscal vulnerability by providing insurance against macroeconomic shocks to the government budget. Whether this goal is better accomplished by nominal or inflation-indexed debt, by a short or a long maturity structure, remains however controversial. In this paper we review the issues of indexation and debt maturity, discussing in particular the role of the maturity structure in light of integrated financial markets and the risk of default. We argue that the role of inflation-indexed debt as a hedge against demand and inflation shocks is less important when price stability is ensured by a Ricardian fiscal policy and an independent central bank. A strong case can instead be made for a long maturity structure to reduce interest-rate risk and, more importantly, the risk of default. The maturity of the debt is a key variable to assess the vulnerability of the government fiscal position and should deserve greater attention in debt sustainability analysis. Finally, we compare the theory of fiscal insurance to the debt managers’ practice of minimizing the cost and risk of the interest expenditure. A concern for the cost of debt service is justified only if expected return differentials between debt instruments are determined by mispricing, market imperfections or liquidity, but not if higher risk premia reflect a fair price for insurance. Our analysis points to the danger of minimizing the interest expenditure over a short horizon as may happen in times of crisis, when the government strives to achieve budget balance. More generally, fiscal insurance cannot be evaluated using national accounts figures, such as the interest expenditure and the book value of the debt. The lack of a more theory-based accounting framework is indeed a major obstacle to optimal debt management.

Full publication: Threat of fiscal dominance?

Keywords: Debt management, default risk, inflation-indexed debt, maturity structure, interestrate risk, optimal taxation

JEL Classification: E61, G12, H63

Suggested Citation

Missale, Alessandro, Sovereign Debt Management and Fiscal Vulnerabilities (May 2012). BIS Paper No. 65j, Available at SSRN: https://ssrn.com/abstract=2081842

Alessandro Missale (Contact Author)

University of Milan - Department of Business Policy and Economics ( email )

Via Conservatorio 7
I-20122 Milano
Italy

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