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The internal models amendment to the Basel Accord allows banks to use internal models to forecast Value-at-Risk (VaR) thresholds, which are used to calculate the required capital that banks must hold in reserve as a protection against negative changes in the value of their trading portfolios. As...
Persistent link: https://www.econbiz.de/10010731585
Credit risk is the most important type of risk in terms of monetary value. Another key risk measure is market risk, which is concerned with stocks and bonds, and related financial derivatives, as well as exchange rates and interest rates. This paper is concerned with market risk management and...
Persistent link: https://www.econbiz.de/10010731770
When dealing with market risk under the Basel II Accord, variation pays in the form of lower capital requirements and higher profits. Typically, GARCH type models are chosen to forecast Value-at-Risk (VaR) using a single risk model. In this paper we illustrate two useful variations to the...
Persistent link: https://www.econbiz.de/10010732629
Risk management is crucial for optimal portfolio management. One of the fastest growing areas in empirical finance is the expansion of financial deriva-tives. The purpose of this special issue on “Risk Management and Financial Deriva-tives” is to highlight some areas in which novel...
Persistent link: https://www.econbiz.de/10010907433
In this paper, we propose a flexible tool to estimate the risk sensitivity of a high-dimensional portfolio composed of different classes of assets, especially in extreme risk circumstances. We build a so-called Cvine Risk Factors Model (CRFM), which is a non-linear version of a risk factor model...
Persistent link: https://www.econbiz.de/10011274578
Risk diversification is the basis of insurance and investment. It is thus crucial to study the effects that could limit it. One of them is the existence of systemic risk that affects all the policies at the same time. We introduce here a probabilistic approach to examine the consequences of its...
Persistent link: https://www.econbiz.de/10010832994
This study examines the linkage between corporate social responsibility and stock market returns in the USA, Canada, Germany, the United Kingdom and Switzerland. Concentrating on corporate disclosure and corporate eco-efficiency, we find mostly mixed results by employing factor performance...
Persistent link: https://www.econbiz.de/10010737383
This paper proposes a network formation model of an OTC derivatives market where both prices and quantities are bilaterally negociated. The key feature of the framework is to endogenize the network of exposures, the gross and net notional amounts traded and the collateral delivered through...
Persistent link: https://www.econbiz.de/10010815972
Since 1949 Lehman Brothers has used an investment committee to select the top ten recommendations made by its analysts each year. We examine the performance of this committee’s recommendations and find that on average its selections generated abnormal returns of 2.7% at the recommendation...
Persistent link: https://www.econbiz.de/10004985677
When correlations between assets turn positive, multi-asset portfolios can become riskier than single assets. This article presents the estimation of tail risk at very high quantiles using a semiparametric estimator which is particularly suitable for portfolios with a large number of assets. The...
Persistent link: https://www.econbiz.de/10011118106