This study introduces a non linear model of 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...

The growing presence of financial operators in the oil markets has modified oil price dynamics. The diffusion of techniques based on extrapolative expectations – such as feedback trading – leads to departures of prices from their fundamental values and increases their variability. Oil price...

Monthly data from January 1985 to December 2004 are used to investigate reserves management in ten Asiatic and Latin American countries. Idiosyncratic explanatory variables enter cointegration relationships based on a stochastic buffer stock model, where a reserve variability measure is obtained...

This paper investigates the high frequency behaviour of US, British and German stock market exuberance using an index provided by standard portfolio arbitrage relationships. Symmetric and asymmetric multivariate GARCH models are implemented to quantify international volatility comovements. In...

This paper analyses the dynamic interrelationship between sovereign bond spreads in ten emerging markets. It investigates the nature of the volatility transmission in secondary bond markets through conditional covariance estimates obtained by orthogonal methods. This approach, which combines PCA...

Over the last 15 years, exchange rate movements have been smoother and slower than expected, given the entity of the sharp shifts in the fundamental variables brought about by the international financial crisis. Since the beginning of the '90s researchers have explored different approaches in...