Modeling default probabilities: The case of Brazil
AbstractUsing disaggregated data from the Brazilian stock market, we calculate default probabilities for 30 different economic sectors. Empirical results suggest that domestic macroeconomic factors can explain these default probabilities. In addition, we construct the Minimum Spanning Tree (MST) and the ultrametric hierarchical tree with the MST based on default probabilities to disclose common trends, which reveals that some sectors form clusters. The results of this paper imply that macroeconomic variables have distinct effects on default probabilities, which is important to take into account in credit risk modeling and the generation of stress test scenarios.
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Bibliographic InfoArticle provided by Elsevier in its journal Journal of International Financial Markets, Institutions and Money.
Volume (Year): 21 (2011)
Issue (Month): 4 (October)
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Web page: http://www.elsevier.com/locate/intfin
Probabilities of default Default risk Capital Asset Pricing Model (CAPM) Minimal Spanning Tree (MST);
Other versions of this item:
- Benjamin M. Tabak & Daniel O. Cajueiro & A. Luduvice, 2011. "Modeling Default Probabilities: the case of Brazil," Working Papers Series 232, Central Bank of Brazil, Research Department.
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