- EXISTENCE AND NASH IMPLEMENTATION OF EFFICIENT SHARING RULES FOR A COMMONLY OWNED TECHNOLOGY.

Suppose that a group of individuals owns collectively a technology which produces a consumptiongood by means of a (possibly heterogeneous) input. A sharing rule associates input contributionswith a vector of consumptions that are technologically feasible. We show that the set of allocationsobtained by any continuous sharing rule contains a subselection that is Pareto efficient. We alsopresent a mechanism that implements in Nash equlibrium the Pareto efficient allocationscontained in an arbitrary sharing rule.