We prove that the normalization rule in Bond and Syropoulos (1996, Journal of International Economics 40, 411-437) that sets the world price of good 1 as the numéraire causes asymmetry in the Nash equilibrium. Such rule contradicts their symmetric assumption when one derives other blocs'...

The paper presents a general equilibrium model of a pure exchange economy with stochastic endowments, in which speculation in the forward market is profitable and stabilizes prices but is useless from a welfare point of view. Reconciling the Siegel paradox with the theory of incomplete markets,...