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While modern portfolio theory grounds on the trade-off between portfolio return and portfolio variance to determine the optimal investment decision, postmodern portfolio theory uses downside risk measures instead of the variance. Prominent examples are given by the risk measures Value-at-Risk...
Persistent link: https://www.econbiz.de/10009019662
In general, the academin literature has paid its attention to market risk and credit risk and ignored operational risk, an "umbrella" term that includes problems with information systems, operational problems, breaches in internal control, fraud, or unforeseen catastrophes such as 9-11 or SARS....
Persistent link: https://www.econbiz.de/10009143854
In McAleer et al. (2010b), a robust risk management strategy to the Global Financial Crisis (GFC) was proposed under the Basel II Accord by selecting a Value-at-Risk (VaR) forecast that combines the forecasts of different VaR models. The robust forecast was based on the median of the point VaR...
Persistent link: https://www.econbiz.de/10009207375
Market liquidity risk, the difficulty or cost of trading assets in crises, has been recognized as an important factor in risk management. Literature has already proposed several models to include liquidity risk in the standard Value-at-Risk framework. While theoretical comparisons between those...
Persistent link: https://www.econbiz.de/10009219901
In January 2010 the Deutsche Börse Group introduced two family firm stock indices. Both indices are calculated as price and performance indices and extend the number of investment strategy indices of Deutsche Börse Group. The DAXplus Family is an all-share index whereas the DAXplus Family 30...
Persistent link: https://www.econbiz.de/10009219902
We integrate liquidity risk measured by the weighted spread into a Value-at-Risk (VaR) framework. The weighted spread measure extracts liquidity costs by order size from the limit order book. We show that it is precise from a risk perspective in a wide range of clearly defined situations. Using...
Persistent link: https://www.econbiz.de/10009219930
Recent research indicates that the majority of listed firms in Germany (and also in many other countries around the world) have a dominant owner rather than being widely-held. Hence, owner-dominated firms comprise an important subset of listed companies. This article introduces the concept of an...
Persistent link: https://www.econbiz.de/10009219935
Market liquidity is the ease of trading an asset. Its risk is the potential loss, because a security can only be traded at high or prohibitive costs. While the omnipresence and importance of market liquidity is widely acknowledged, it has long remained a more or less elusive concept. Treatment...
Persistent link: https://www.econbiz.de/10009219937
This study investigates the validity of Capital Asset Pricing (CAP) Model in Karachi stock exchange (KSE). The data of 387 companies of 30 different sectors on monthly, quarterly and semiannual basis are used. The Paired sample t- test is applied to find the difference between actual and...
Persistent link: https://www.econbiz.de/10009220664
This paper examines the effect on the effectiveness of using futures contracts as hedging instruments of: 1) the model of volatility used to estimate conditional variances and covariances, 2) the analyzed currency, and 3) the maturity of the futures contract being used. For this purpose, daily...
Persistent link: https://www.econbiz.de/10009364038