Groupe d’études et de recherche en analyse des décisions

G-87-27

Beware Easy Proofs, A Counterexample to an "easy" proposition of K.J. Arrow and F.H. Hahn

In this paper, I give a counterexample to the closedness property of the set of possible current production vectors Yf which is used by J.K. Arrow and F.H. Hahn [1971] for the proof of the existence of a temporary equilibrium.

, 4 pages