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Contribution Details

Type Working Paper
Scope Discipline-based scholarship
Title Network Valuation in Financial Systems
Organization Unit
Authors
  • Paolo Barucca
  • Marco Bardoscia
  • Fabio Caccioli
  • Marco D'Errico
  • Gabriele Visentin
  • Stefano Battiston
  • Guido Caldarelli
Language
  • English
Institution University of Zurich
Series Name SSRN
Number 2795583
ISSN 1556-5068
Number of Pages 16
Date 2016
Abstract Text We introduce a network valuation model (hereafter NEVA) for the ex-ante valuation of claims among financial institutions connected in a network of liabilities. Similar to previous work, the new framework allows to endogenously determine the recovery rate on all claims upon the default of some institutions. In addition, it also allows to account for ex-ante uncertainty on the asset values, in particular the one arising when the valuation is carried out at some time before the maturity of the claims. The framework encompasses as special cases both the ex-post approaches of Eisenberg and Noe and its previous extensions, as well as the ex-ante approaches, in the sense that each of these models can be recovered exactly for special values of the parameters. We characterize the existence and uniqueness of the solutions of the valuation problem under general conditions on how the value of each claim depends on the equity of the counterparty. Further, we define an algorithm to carry out the network valuation and we provide sufficient conditions for convergence to the maximal solution.
Official URL http://ssrn.com/abstract=2795583
Other Identification Number merlin-id:13436
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