In light of the recently passed 2010 Dodd-Frank Act, we assess the effect of margin changes on prices, the risk-sharing between speculators and hedgers, and the price stability of 20 commodity futures markets. We find that margin increases decrease the rate at which prices change, yet they...

This paper is the first to discuss the design of futures hedging strategies in European natural gas markets (NBP, TTF and Zeebrugge). A common feature of energy prices is that conditional mean and volatility are driven by seasonal trends due to weather, demand, and storage level seasonalities....

This paper evaluates the predictability of WTI light sweet crude oil futures by using the variance risk premium, i.e. the difference between model-free measures of implied and realized volatilities. Additional regressors known for their ability to explain crude oil futures prices are also...

Internationale Rohstoffabkommen sind bisher daran gescheitert, schwankende Erlöse langfristig zu stabilisieren. Da die Ursachen dieser Erlösschwankungen nicht beseitigt werden können, steht das Risikomanagement im Mittelpunkt. Mit Hilfe der Portfoliotheorie werden die Bedingungen des...