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...

Motivated by repeated price spikes and crashes over the last decade, we investigate whether the rapidly growing market shares of futures speculators have destabilized commodity spot prices. We approximate conditional volatility and regress it on expected and unexpected speculative open interest....

This paper studies the trading behavior of different types of traders in commodity futures and their impact on liquidity consumption/provision as well as price discovery in the market. CME classifies each trade by its Customer Type Indicator (CTI) into four groups: a local trader who trades for...

We develop a model to study the impacts of speculative position limits in commodity futures market. In the spirit of Dodd-Frank Act, regulators believe that position limit on speculators would dampen futures price volatility and prevent market manipulation. We show that this is not true due to...

We find that commodity futures returns contain information relevant to stock market returns and macroeconomic fundamentals for a large number of countries. Commodity futures returns predict stock market returns in 59 out of 70 countries and macroeconomic fundamentals in 62 countries. This...

Im Laufe des Jahres 1993 war die Metallgesellschaft Refining & Marketing (MGRM), eine US-amerikanische Tochtergesellschaft der Metallgesellschaft AG, in großem Umfang die Verpflichtung eingegangen, langfristig Öl zu Festpreisen zu liefern. Das dadurch entstehende Preisrisiko sollte über...