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Genauigkeit versus Rechenaufwand : ein Vergleich Monte-Carlo-basierter Value-at-Risk-Methoden /Tuor, Roman. January 2003 (has links) (PDF)
Diss. Nr. 2834 Wirtschaftswiss. St. Gallen. / Literaturverz.
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Robustness Issues in the Statistical Analysis of GARCH Processes with Applications to FinanceBoerlin, Christoph. January 2007 (has links) (PDF)
Master-Arbeit Univ. St. Gallen, 2007.
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Consideration of Asymmetry in Different Approaches to Financial Risk MeasurementPolin, Yevgen. January 2007 (has links) (PDF)
Master-Arbeit Univ. St. Gallen, 2007.
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Risk Estimation in Portfolio TheoryBaur, Cordula. January 2007 (has links) (PDF)
Master-Arbeit Univ. St. Gallen, 2007.
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Corporate Credit Risk Modeling Expansions to a Scorecard Model Approach /Haug, Thomas. January 2007 (has links) (PDF)
Master-Arbeit Univ. St. Gallen, 2007.
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Mathematical methods for the efficient assessment of market and credit riskReiß, Oliver. Unknown Date (has links) (PDF)
Techn. University, Diss., 2003--Kaiserslautern.
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Portafolio de inversión con commodities : aplicación de value at risk (VaR) y otras metodologiasSilva Canales, Nicolás Ignacio 04 1900 (has links)
TESIS PARA OPTAR AL GRADO DE MAGÍSTER EN FINANZAS / Este trabajo tiene como principales objetivos el demostrar que aquellos
portafolios con commodities entregan un mayor beneficio para el inversionista, y
al mismo tiempo mostrar, mediante su utilización, diferentes metodologías, que
siendo algunas bastante sencillas, pueden ser de mucha utilidad. Estas
metodologías se utilizan para medir la capacidad que tienen los commodities
para diversificar el riesgo y de esta forma obtener mejores rentabilidades sin
aumentar la volatilidad, o sea, sin aumentar el riesgo al hacer las inversiones.
Los resultados determinan que los commodites muestran una buena capacidad
de disminuir la volatilidad de los portafolios y permiten alcanzar un mejor
desempeño. / The main objective of this paper is to demonstrate that these portfolios with the
commodities provide a greater benefit to the investor, and at the same time to
show, through their use, different methodologies, which are very simple, but also
can be very useful. These methodologies are used to measure the ability of
commodities to diversify risk and this way to obtain better returns without
increasing the volatility, that is, without increasing the risk when making the
investments. The results determine that the commodities have a good ability to
reduce the volatility of the portfolios and achieve a better performance.
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Distribuição de funções de variáveis aleatórias dependentes e R-Vines cópulasMaluf, Yuri Sampaio 08 December 2015 (has links)
Dissertação (mestrado)—Universidade de Brasília, Instituto de Ciências Exatas, Departamento de Estatística, 2015. / Submitted by Fernanda Percia França (fernandafranca@bce.unb.br) on 2016-03-22T19:46:38Z
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2015_YuriSampaioMaluf.pdf: 4291479 bytes, checksum: 4a9954a7905294836d257652f0ce1753 (MD5) / Neste trabalho, estudamos a formulação da distribuição de funções de variáveis aleatórias contínuas dependentes. O mecanismo de modelagem da dependência é feita via funções cópulas. Dentre os resultados obtidos formulamos a expressão geral da distribuição da soma de n variáveis aleatórias dependentes. Expandimos a abordagem para a distribuição de outras funções de variáveis aleatórias tais como o quociente, produto e uma combinação convexa. Por meio das R-Vines Cópulas, obtivermos também a expressão da soma de n variáveis aleatórias em que cada componente é governada por um processo GARCH. A partir deste resultado, calculamos o Value-at-Risk (VaR) e Expected Shortfalls (ES) da soma dessas variáveis. Em função desta estrutura, as medidas de risco passam a adquirir um comportamento dinâmico. Ao final do trabalho exibimos algumas ilustrações numéricas via simulação de Monte Carlo. Apresentamos também uma aplicação com dados reais provenientes de bolsas de valores da América Latina. / In this thesis, we studied the distribution of function of dependents continuous random variables. The modeling dependencies structures are made via copula functions. We obtain the general expression of the distribution of the sum of n dependents random variables. This approach is expanded for other functions such as ratio, product and a convex combination. Using R-Vines Copulas, we also derive an expression of the sum of n dependents random variables, being each component governed by AR-GARCH process. From these results, we assess the Value-at-Risk (VaR) and Expected Shortfalls (ES) of the sum of these variables. According to this structure, the VaR takes a dynamic behavior. At the end of this thesis, we show some numerical illustrations via Monte Carlo simulation. An application with real data from Latin American stock markets is also presented.
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Medidas de risco em otimização de portfolios / Risk measures in portfolio optimizationBueno, Luís Felipe Cesar da Rocha, 1983- 25 February 2008 (has links)
Orientador: Jose Mario Martinez Perez / Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Matematica, Estatistica e Computação Cientifica / Made available in DSpace on 2018-08-10T15:09:35Z (GMT). No. of bitstreams: 1
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Previous issue date: 2008 / Resumo: Nesta dissertacao fazemos uma exposicao sobre alguns modelos matematicos com aplicacoes em economia. Dentre os modelos estudados destacamos a versao discreta das populares medidas de risco VaR (Value at Risk ) e C-VaR (Conditional Value at Risk ). Discutimos algumas propriedades de tais medidas, e, principalmente, expomos sobre algumas ideias para otimiza-las sob uma formulação do tipo OVO (Order Value Optimization) e propomos uma nova formulação para o problema de minimizar a VaR / Abstract: In this dissertation we make a presentation on some mathematical models with applications in economics. Among the studied models we highlight a discrete version of the popular risk measures VaR (Value at Risk) and C-VaR (Conditional Value at Risk). We discuss about some properties of such measures, and, above all, expose on some ideas for optimizing the VaR and CVaR under a OVO (Order Value Optimization) formulation and propose a new formulation to the problem of minimizing the VaR / Mestrado / Otimização / Mestre em Matemática Aplicada
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Využití derivátů v mezinárodním obchodě se zemědělskými komoditami / Use of Derivatives in International Trade in Agricultural CommoditiesPlchotová, Jitka January 2009 (has links)
The aim of this diploma thesis is to theoretically describe the risks connected to entrepreneurship. Stress is put mainly on financial risks that are related to price shifts of agricultural commodities and to changes in the exchange rates. The basis lies in theoretical identification of the nature of possible risks, methods of risk evaluation and description of instruments that serve for the risk elimination. This theoretical knowledge is further applied in case studies dealing with hedging of commodity and currency risks of firms that conduct business in agricultural basic industry. The analysis of firm's position, demonstration of hedging and final evaluation of efficiency are included.
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