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Arbitrage pricing model (APT) is one of the models that describe risk of investment on the capital market. The model … sources of the systematic risk of investment and which influence the behaviour of the rates of returns of funds portfolios …
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This articlemodels the dependence risk and resource allocation characteristics of two 20-stock coal–uranium and oil … five risk measures. The paper's objectives are to find out if the oil and gas stocks are riskier than the coal and uranium … stocks, to identify the optimization method and risk measure that produce the best risk-return trade-off, to recognize the …
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We analyze the relationship between implied volatility and subsequent equity markets excess returns. We find that high readings of implied volatility have a strong correlation with positive and economically sizable returns in the subsequent 1, 5, and 20 trading days. Mid-level readings are...
Persistent link: https://www.econbiz.de/10012899390
Although a large number of recent studies employ the buy-and-hold abnormal return (BHAR) methodology and the calendar time portfolio approach to investigate the long-run anomalies, each of the methods is a subject to criticisms. In this paper, we show that a recently introduced calendar time...
Persistent link: https://www.econbiz.de/10011449859
Following recent advances in the non-parametric realized volatility approach, we separately measure the discontinuous jump part of the quadratic variation process for individual stocks and incorporate it into heterogeneous autoregressive volatility models. We analyze the distributional...
Persistent link: https://www.econbiz.de/10013004411