CCC and DCC multivariate GARCH models, we find that financial speculation is poorly significant in modelling returns in … ; Futures Markets ; Financial Speculation ; Multivariate GARCH …

composed by heterogeneous traders which behave differently depending on the intensity of the price fluctuations and uncertainty …

-sharing between speculators and hedgers, and the price stability of 20 commodity futures markets. We find that margin increases …

focused on the definition of speculation while others examined the relationship between oil prices and the behavior of trading … against abrupt oil price changes can be satisfied only if speculators play a very active role. Due to the rapid growth in … shale oil production, the importance of speculation in ensuring an equilibrium in the US crude oil market has consequently …