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crude oil spot and futures prices. The use of grains for the creation of bio-fuels has sparked fears that these demands are … inflating food prices. We analyse approximately 10 years of daily spot and futures prices for corn, wheat, sugar ethanol and oil … prices from Datastream for the period 19 July 2006 to 2 July 2015. The analysis, featuring Engle-Granger pairwise …
Persistent link: https://www.econbiz.de/10011479769
The paper develops a novel realized matrix-exponential stochastic volatility model of multivariate returns and realized …. The volatility and co-volatility spillovers are examined via the news impact curves and the impulse response functions … from returns to volatility and co-volatility. …
Persistent link: https://www.econbiz.de/10011536626
In the class of univariate conditional volatility models, the three most popular are the generalized autoregressive … effects on conditional volatility of positive and negative effects of equal magnitude, and possibly also leverage, which is … the negative correlation between returns shocks and subsequent shocks to volatility (see Black 1979). McAleer (2014 …
Persistent link: https://www.econbiz.de/10011688332
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We propose bootstrap implementations of the asymptotic Wald, likelihood ratio and Lagrange multiplier tests for the order of integration of a fractionally integrated time series. Our main purpose in doing so is to develop tests which are robust to both conditional and unconditional...
Persistent link: https://www.econbiz.de/10009743847
-varying volatility. In this paper we consider estimation and hypothesis testing on the coefficients of the co-integrating relations and … model for volatility, or to assume that the pattern of volatility is common to, or independent across, the vector of series …
Persistent link: https://www.econbiz.de/10010225789
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