prices, returns and volatility of related agricultural commodities. Analyzing the spillover effects on agricultural …. The purpose of this paper is to examine the volatility spillovers for spot and futures returns on bio-ethanol and related … agricultural commodities, specifically corn and sugarcane, using the multivariate diagonal BEKK conditional volatility model. The …

For forecasting volatility of futures returns, the paper proposes an indirect method based on the relationship between … futures and the underlying asset for the returns and time-varying volatility. For volatility forecasting, the paper considers … the stochastic volatility model with asymmetry and long memory, using high frequency data for the underlying asset …

liquidity shock, separating information maximum likelihood estimation of the integrated volatility and covariance with micro … illustrations, EVT and tail-risk modelling, with evidence from market indices and volatility series, the economics of data using … simple model free volatility in a high frequency world, arbitrage-free implied volatility surfaces for options on single …

This paper analyzes two indexes in order to capture the volatility inherent in El Niños Southern Oscillations (ENSO … suitable for modelling ENSO volatility accurately, and that 1998 is a turning point, which indicates that the ENSO strength has …

volatility. The endogenous structural breakpoint unit root test, ARDL model, and alternative volatility models, including GARCH … the volatility of global fertilizer prices and crude oil price from March to December 2008 are higher than in other …