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 …

The paper considers the problem as to whether financial returns have a common volatility process in the framework of … stochastic volatility models that were suggested by Harvey et al. (1994). We propose a stochastic volatility version of the ARCH … test proposed by Engle and Susmel (1993), who investigated whether international equity markets have a common volatility …

gas spot markets, a large number of hedging strategies can be used, especially with the rapid development of natural gas …) prices that are related to natural gas stock prices. The volatility spillover effect is the delayed effect of a returns shock … in one physical, biological or financial asset on the subsequent volatility or co-volatility of another physical …

The primary purpose of the paper is to analyze the conditional correlations, conditional covariances, and co-volatility … spillovers between international crude oil and associated financial markets. The paper investigates co-volatility spillovers … (namely, the delayed effect of a returns shock in one physical or financial asset on the subsequent volatility or co-volatility …