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https://rfos.fon.bg.ac.rs/handle/123456789/634| Title: | Procena Vrednosti-pod-Rizikom korišćenjem multivarijacionih GARCH modela Value-at-Risk estimation with multivariate GARCH models |
Authors: | Nikolić, Nebojša Manojlović, Vesna |
Issue Date: | 2010 | Publisher: | Univerzitet u Beogradu - Fakultet organizacionih nauka, Beograd | Abstract: | Metod Vrednost-pod-Rizikom (VaR) je globalno prihvaćen od strane menadžera rizika i regulatora kao alat za identifikaciju i kontrolu izloženosti tržišnom riziku. Bazel II regulativa koristi VaR metodologiju za izračunavanje kapitalnih zahteva za tržišne rizike kojem su izložene komercijalne banke. Cilj ovog rada je da se implementira multivarijaciona GARCH (mGARCH) metodologija kao interni VaR metod za merenje tržišnog rizika u komercijalnim bankama u Srbiji. Pretpostavljajući da su prinosi raspodeljeni po Normalnoj i Studentovoj-t distribuciji, parametri ortogonalnog mGARCH i CCC-mGARCH VaR modela su estimirani za svaki od 250 posmatranih dana za hipotetički trgovački portfolio koristeći metod maksimalne verodostojnosti. Nivoi kapitalnih zahteva su izračunati za implementirane metode i validacija je urađena koristeći Bazel II i Kupiec test. . Value-at-Risk (VaR) method has been accepted globally by both risk managers and regulators as a tool to identify and control exposure to financial market risk. Basel II regulation employs VaR methodology for capital requirements calculations for the market risks to which commercial banks are exposed. The goal of this paper is to implement the multivariate GARCH (mGARCH) methodology as the internal VaR model for market risk measurement in Serbian commercial banks. Assuming Normal and Student-t distribution of the returns the parameters for orthogonal mGARCH and CCC-mGARCH VaR models are estimated for each of 250 consecutive days, for the hypothetical trading portfolio, by employing maximum likelihood method. The level of capital requirements are calculated for corresponding VaR methods and validation is done by applying Basel II and Kupiec test. . |
URI: | https://rfos.fon.bg.ac.rs/handle/123456789/634 | ISSN: | 0354-8635 |
| Appears in Collections: | Radovi istraživača / Researchers’ publications |
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