The paper provides a critique of a new attack against the Coase theorem opened by A. Oleynik. Under close examination his attempts to repudiate the Coase theorem turn out to be theoretically invalid. Special discussion is devoted to the normative ideas of R. H. Coase.

In this paper, a new concept of "limit information" is introduced and studied for Arrow-Debreu type economies with asymmetrically informed agents. The concept is based on the so-called contractual approach that presumes that agents meet and form coalitions, where the concurrent exchange of...