[eng] Ecuador has recently adopted the US dollar as legal tender. Salvador is on the verge of doing so; Guatemala and Costa-Rica are attempting at the same substitution to their own currency. But, the prospect is now more general. In other parts of the world, the dollarization progresses, too;...

[eng] By 1985, the United States became net debtors towards the rest of the world. This — historically new — statute of a net debtor dominating economy was devised to compensate its low internal rate of saving, but submits the dollar to an incessant and erratic portfolio restructuring. [fre]...

[fre] Après un bilan des théories traditionnelles des zones monétaires optimales (Mundell et McKinnon), cet article constitue une tentative pour introduire le critère plus réaliste des préférences homogènes entre pays partenaires. Il fournit aussi une analyse du traité de Maastricht en...