This study introduces a non linear model for commodity futures prices which accounts for pressures due to hedging and speculative activities. The linkage with the corresponding spot market is considered assuming that a long term equilibrium relationship holds between futures and spot pricing....

This study introduces a non linear model for commodity futures prices which accounts for the pressures due to hedging and speculative activities. The interaction with the corresponding spot market is considered assuming that a long term equilibrium relationship holds between futures and spot...

This paper models daily returns, volatility, and ‘news’ in the parallel foreign exchange market of a small developing economy, namely the Dominican Republic, during the period 1989-2001. The research adopts a non-linear specification that encompasses several members of the GARCH family. A...