Cifarelli, Giulio and Paladino, Giovanna (2011): Hedging vs. speculative pressures on commodity futures returns. Unpublished.
Cifarelli, Giulio and Paladino, Giovanna (2009): Oil and portfolio risk diversification. Unpublished.
Giorgio, Ricchiuti (2004): Empirical Evidence on the North-South Trade Flows: an Augmented Gravity Model. Unpublished.