Showing 61 - 70 of 1,071
A large number of important practical tasks can be accomplished using a multivariate GARCH model. This paper examines the relatively small number of software packages that are currently available for estimating such models, in spite of their widespread use. The review focuses upon estimation...
Persistent link: https://www.econbiz.de/10005357656
This study considers the stock performance of America’s 100 Best Corporate Citizens following the annual survey by Business Ethics. We examine both possible short-term announcement effects around the time of the survey’s publication, and whether longer-term returns are higher for firms that...
Persistent link: https://www.econbiz.de/10005357663
This study proposes a utility-based framework for the determination of optimal hedge ratios that can allow for the impact of higher moments on the hedging decision. The approach is applied to a set of 20 commodities that are hedged with futures contracts. We find that in sample, the performance...
Persistent link: https://www.econbiz.de/10005357664
This paper investigates the frequency of extreme events for three LIFFE futures contracts for the calculation of minimum capital risk requirements (MCRRs). We propose a semi-parametric approach where the tails are modelled by the Generalised Pareto Distribution and smaller risks are captured by...
Persistent link: https://www.econbiz.de/10005357665
he monthly return distributions of many hedge fund indices exhibit highly unusual skewness and kurtosis properties as well as first-order serial correlation. This has important consequences for investors. We demonstrate that although hedge fund indices are highly attractive in mean-variance...
Persistent link: https://www.econbiz.de/10005357672
This study assesses whether the widely documented momentum profits can be ascribed to time-varying risk as described by a GJR-GARCH(1,1)-M model. Consistent with rational pricing in efficient markets, we reveal that momentum profits are a compensation for time-varying unsystematic risks, common...
Persistent link: https://www.econbiz.de/10005178161
While it is commonly believed that derivative instruments are a recent invention, we document the existence of forward contracts for the sale of wool in medieval England around 700 years ago. The contracts were generally entered into by English monasteries, who frequently sold their wool for up...
Persistent link: https://www.econbiz.de/10005178169
The price-earnings effect has been thoroughly documented and widely studied around the world. However, it has always been calculated on the basis of the previous year’s earnings. We show that the power of the effect has until now been seriously underestimated, due to taking too short-term a...
Persistent link: https://www.econbiz.de/10005178170
This paper employs a unique dataset from the UK based on ten years of surveys of company directors and analysts conducted for Management Today to examine the relationship between a firm’s reputation and the returns on its shares. We find that investors who purchase stocks with reputation...
Persistent link: https://www.econbiz.de/10005178174
Persistent link: https://www.econbiz.de/10009009224