Essays on credit spreads

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dc.contributor.advisor Pelizzon, Loriana it_IT
dc.contributor.author Fontana, Alessandro <1980> it_IT
dc.date.accessioned 2010-10-08T12:51:01Z it_IT
dc.date.accessioned 2012-07-30T16:03:54Z
dc.date.available 2010-10-08T12:51:01Z it_IT
dc.date.available 2012-07-30T16:03:54Z
dc.date.issued 2010-09-17 it_IT
dc.identifier.uri http://hdl.handle.net/10579/1038 it_IT
dc.description.abstract This thesis consists of three interdependent and original works on the relationship between Credit Default Swaps (CDS) and bond spreads. Chapter 1 studies the behaviour of the CDS-bond basis, i.e. the difference between the CDS and the bond spread, for a sample of investment graded US firms. During the 2007/09 financial crisis it has deviated from zero and has become persistently negative. The basis dynamics is driven by economic variables that are proxies for funding liquidity, credit markets liquidity and risk in the inter-bank lending market. Chapter 2 studies the determinants of market prices of Euro area sovereign CDS and the linkages between the CDS and the underlying government bond. Results support the evidence that there are major commonalities as well as differences between the corporate and sovereign CDS and bonds. Chapter 3 proposes a methodology for measuring the CDS-bond basis based on the bonds' cash-flows replication argument. A series of tests performed, on an hypothetical bond, shows how the error between this "arbitrage-free" measure and the standard measure of the basis depends on the term structure. An empirical application, on US corporate bonds, shows that the two measures exhibit a common behaviour and since the onset of the crisis in August 2007 they have become both negative, but the "arbitrage free" basis remains smaller in absolute terms. it_IT
dc.description.abstract Questa tesi consiste di tre lavori interdipendenti e originali sulla relatione tra il Credit Default Swap (CDS) e lo spread su obbligazioni. Il capitolo 1 studia il comportamento della “base” CDS vs. bond, i.e. la differenza tra CDS e spread su obbligazioni, per un campione di societá americane. L’analisi condotta mostra che durante la crisi finanziaria del 2007/09 la “base” é diventata persistemente negativa e che essa é determinata da variabili economiche che sono proxy per la liquiditá finanziaria, la liquiditá dei mercati creditizi e il rischio nel mercato interbancario. Il capitolo 2 studia le determinanti dei prezzi di mercato dei CDS degli stati sovrani dell’area euro e i legami tra il CDS e il titolo di stato sottostante. L’analisi empirica mostra come ci siano analogie e differenze tra il comportamento dei CDS e delle obbligazioni su entitá sovrane e societá private. Il capitolo 3 propone una metodologia per misurare la “base” CDS vs. bond basata sulla condizione di non arbitraggio. Una serie di test, implementata su una obbligazione ipotetica, mette in evidenza come l’errore tra questa misura e quella classica, utilizzata in letteratura, dipenda dal comportamento della struttura a termine dei tassi di interesse. Una applicazione empirica, su obbligazioni corporate negli US, mostra che le due misure della “base” hanno generalmente un comportamento simile e che dall’inizio della crisi (agosto 2007) la base é diventata negativa, tuttavia la base “arbitrage free” é minore in termini assoluti. it_IT
dc.format.medium Tesi cartacea it_IT
dc.language.iso en it_IT
dc.publisher Università Ca' Foscari Venezia it_IT
dc.rights © Alessandro Fontana, 2010 it_IT
dc.subject Credit spread it_IT
dc.subject CDS - Credit Default Swaps it_IT
dc.subject Corporate bond it_IT
dc.subject Government bond it_IT
dc.subject Financial crisis it_IT
dc.title Essays on credit spreads it_IT
dc.type Doctoral Thesis it_IT
dc.degree.name Economia ed organizzazione it_IT
dc.degree.level Dottorato di ricerca it_IT
dc.degree.grantor Facoltà Economia it_IT
dc.description.academicyear 2007/2008 it_IT
dc.description.cycle 21 it_IT
dc.degree.coordinator Brugiavini, Agar it_IT
dc.location.shelfmark D000968 it_IT
dc.location Venezia, Archivio Università Ca' Foscari, Tesi Dottorato it_IT
dc.rights.accessrights openAccess it_IT
dc.thesis.matricno 955139 it_IT
dc.format.pagenumber 147 p. it_IT
dc.subject.miur SECS-P/01 ECONOMIA POLITICA it_IT
dc.description.tableofcontent Introduction (pg 7-13) 1 Credit spreads: bond yield spreads and credit default swaps 2 The main approaches to analyze credit spreads 3 The goal of thesis and description of the three chapters Chapter 1: The Persistent Negative CDS-bond Basis During the 2007/08 Financial Crisis (pg 15-54) Abstract 1 Introduction 2 Review of the related literature 3 The CDS-bond basis - 3.1 The connection between the CDS and the bond spread: a close to arbitrage relation - 3.2 Why is the basis negative during the crisis? 4 Data - 4.1 Data description - 4.2 The basis and the relevant economic variables: descriptive statistics 5 Empirical analysis - 5.1 The lead-lag relationship between CDS and bond spreads - 5.2 Explaining the negative basis during the crisis - 5.3 Interpretation of the results - 5.4 Robustness cheks 6 Conclusion References Figures and tables 4 Chapter 2: Market Pricing of Euro Area Sovereign CDS (pg 56-100) 1 Introduction 2 Sample - 2.1 Some background on Sovereign CDS - 2.2 Sample construction - 2.3 Sample details - 2.4 Principal component analysis of the CDS premia 3 Determinants of CDS premia - 3.1 Regression methodology - 3.2 Overall results - 3.3 Further results and robusteness tests 4 What are the links between government bonds and sovereign CDS - 4.1 The concept of the "basis" - 4.2 Principal component analysis of the basis - 4.3 Lead-lag analysis of CDS and bond spreads - 4.4 Explaining the Sovereign basis: methodology and results 5 Conclusion References Figures and tables 5 Chapter 3: Measuring the CDS-bond Basis on Fixed-rate bonds (pg 102-146) Abstract 1 Introduction 2 The equivalence relation between CDS and bond yields 3 The CDS-bond basis: replication argument - 3.1 The pricing of the bond - 3.2 Estimation of the risk-free forward rates using the Libor curve - 3.3 Estimation of risk-neutral default probabilities from CDS spreads - 3.4 Calculating the basis 4 Numerical applications - 4.1 The "basis error" - 4.2 Coupon risk - 4.3 Shifting the swap-rate curve - 4.4 Shifting the CDS curve: bond away from par and recovery risk - 4.5 The shape of the swap rate curve - 4.6 The shape of the CDS curve - 4.7 Is the size of the basis relevant? - 4.8 The I-basis vs. the Z-basis 5 An empirical exploration of the "basis-error" -5.1 Calculating the basis -5.2 Data -5.3 Sample selection -5.4 The I-basis, the basis and the "basis error" 6 Conclusion Appendix A References Figures and tables Last page: Abstract in English and in Italian (pg 148) it_IT


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