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Persistent link: https://www.econbiz.de/10014306488
The identification of the forces that drive stock returns and the dynamics of their associated volatilities is a major concern in empirical economics and finance. This analysis is particularly relevant for determining optimal hedging strategies based on whether shocks to the volatilities of...
Persistent link: https://www.econbiz.de/10011324953
Tse (1998) proposes a model which combines the fractionally integrated GARCH formulation of Baillie, Bollerslev and Mikkelsen (1996) with the asymmetric power ARCH specification of Ding, Granger and Engle (1993). This paper analyzes the applicability of a multivariate constant conditional...
Persistent link: https://www.econbiz.de/10011422185
In the paper, we research on the presence of long-range dependence in returns and volatility of BUX, PX and WIG between … volatility of all three indices. The results for returns are contradictory with several studies which claim that developing …
Persistent link: https://www.econbiz.de/10010322268
Con datos históricos previos al default correspondientes a bonos colocados en el mercado local (Letes y Bontes) y en el internacional (bonos Globales), se emplea la técnica de componentes principales para analizar los desplazamientos de la curva de rendimientos en el mercado de bonos. Se...
Persistent link: https://www.econbiz.de/10010323079
Accurate prediction of the frequency of extreme events is of primary importance in many financialapplications such as Value-at-Risk (VaR) analysis. We propose a semi-parametric method for VaRevaluation. The largest risks are modelled parametrically, while smaller risks are captured by the...
Persistent link: https://www.econbiz.de/10010324710
predicting monthly US excess stock returns and volatility over the period 1980-2005. Factor-augmented predictive regression … superior market timing ability and volatility timing ability, while a mean-variance investor would be willing to pay an annual …
Persistent link: https://www.econbiz.de/10010326025
both current and past market returns. Using various time-varying volatility models to accommodate conditional … causality-in-variance is used to analyse if volatility among small traders spills over into spot markets, it is found that …
Persistent link: https://www.econbiz.de/10010326188
The purpose of this paper is to examine the asymmetric relationship betweenprice and implied volatility and the … todemonstrate that the relationship between the volatility and market return as quantifiedby Ordinary Least Square (OLS) regression … is not uniform across the distributionof the volatility-price return pairs using quantile regressions. We examine …
Persistent link: https://www.econbiz.de/10010326227
of volatility risk in stock and index returns, where we characterize volatility risk by the extent to which forecasting … errors in realized volatility are substantive. Even though returns standardized by ex post quadratic variation measures are … of returns. Explicitly modeling this volatility risk is fundamental. We propose a dually asymmetric realized volatility …
Persistent link: https://www.econbiz.de/10010326350