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  • 1
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    Amsterdam and Rotterdam: Tinbergen Institute
    Publication Date: 2016-04-21
    Description: The Basel II Accord requires that banks and other Authorized Deposit-taking Institutions (ADIs) communicate their daily risk forecasts to the appropriate monetary authorities at the beginning of each trading day, using one or more risk models to measure Value-at-Risk (VaR). The risk estimates of these models are used to determine capital requirements and associated capital costs of ADIs, depending in part on the number of previous violations, whereby realised losses exceed the estimated VaR. In this paper we define risk management in terms of choosing sensibly from a variety of risk models, discuss the selection of optimal risk models, consider combining alternative risk models, discuss the choice between a conservative and aggressive risk management strategy, and evaluate the effects of the Basel II Accord on risk management. We also examine how risk management strategies performed during the 2008-09 financial crisis, evaluate how the financial crisis affected risk management practices, forecasting VaR and daily capital charges, and discuss alternative policy recommendations, especially in light of the financial crisis. These issues are illustrated using Standard and Poor’s 500 Index, with an emphasis on how risk management practices were monitored and encouraged by the Basel II Accord regulations during the financial crisis.
    Keywords: G32 ; G11 ; G17 ; C53 ; C22 ; ddc:330 ; Value-at-Risk (VaR) ; daily capital charges ; exogenous and endogenous violations ; violation penalties ; optimizing strategy ; risk forecasts ; aggressive or conservative risk management strategies ; Basel II Accord ; financial crisis ; Basler Akkord ; Unternehmenspublizität ; Bankenliquidität ; Risikomaß ; Risikomanagement ; Finanzkrise
    Language: English
    Type: doc-type:workingPaper
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  • 2
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    Innsbruck: University of Innsbruck, Department of Public Finance
    Publication Date: 2018-11-23
    Description: This paper studies an evolutionary model of network formation with endogenous decay, in which agents benefit both from direct and indirect connections. In addition to forming (costly) links, agents choose actions for a coordination game that determines the level of decay of each link. We address the issues of coordination (long-run equilibrium selection) and network formation by means of stochastic stability techniques. We find that both the link cost and the trade-off between efficiency and risk-dominance play a crucial role in the long-run behavior of the system.
    Keywords: C72 ; C73 ; D83 ; D85 ; ddc:330 ; Coordination ; Networks ; Risk dominance ; stochastic stability ; Koordination ; Soziales Netzwerk ; Stochastischer Prozess ; Nichtkooperatives Spiel ; Evolutionäre Spieltheorie ; Theorie
    Language: English
    Type: doc-type:workingPaper
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