The existing theory of tied aid presupposes that trade and aid are conducted in terms of private consumption goods. However, in such a world aid can be effectively tied only if the recipient government somehow prevents its households from reselling the aid basket on world markets. That weakness...

The theory of involuntary international transfers (war indemnities) has been constructed on the assumption that the donor and recipient are completely indifferent to each other's well-being. The assumption is hard to justify since usually the transfers closely follow periods during which the...

Pareto is sometimes credited with an early formulation of the ill-fated Hicks or Kaldor principles of hypothetical compensation. The basis for this claim is Pareto's 1894 article "Il massimo di utilitÁ dato dalla libera concorrenza." However in that paper Pareto argued to the contrary, that in...

We show that the Kemp-Wan proposition concerning the formation of customs union holds under conditions of imperfect competition and increasing returns.

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

In 1972, the potential gainfulness of free trade was established under fairly general assumptions — essentially those of Arrow and Debreu. Since then, the assumptions have been considerably weakened, notably by accommodating overlapping mortal generations and an infinite horizon. However,...