Risk Framework Analysis in the Management of Sovereign Debt: The Argentine case

Emiliano Delfau

No 634, CEMA Working Papers: Serie Documentos de Trabajo. from Universidad del CEMA

Abstract: The main objective of this paper is to develop a practical approach to Argentina’s sovereign risk management. Through Contingent Claim Analysis (CCA), Gape, Gray, Lim and Xiao (2008)[1] developed a sovereign risk framework whereby we can construct a marked to market sovereign balance sheet and obtain a set of credit risk indicators that can help policy-makers: set thresholds for foreign reserves, design risk mitigation strategies and select best policy options. The main contribution is that instead of using a conventional index such as GBI-EM1 in order to estimate the volatility of domestic currency liabilities, we use 24 sovereign domestic currency bonds to construct an interest rate covariance matrix. That is, an interest rate sensitive sovereign portfolio, whose risk factor variations2 are represented by a vector of the portfolio PV01 (present value of a basis point change) with respect to each interest rate of the zero-coupon yield curve. Since zero-coupon rates are rarely directly observable, we must estimate them from market data. In this paper we implemented a widely-used parametric term structure estimation method called Nelson and Siegel. For Argentina we generated two yield curves, i.e., sets of fixed maturity interest rates determined by Badlar and CER.

Keywords: Contingent Claim Analysis (CCA); Debt Sustainability Analysis (DSA); MertonModel; Sovereign Risk; Distance to Default; Risk Neutral Spread. (search for similar items in EconPapers)
Pages: 32 pages
Date: 2018-07
New Economics Papers: this item is included in nep-rmg
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Persistent link: https://EconPapers.repec.org/RePEc:cem:doctra:634

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