The March-April 1974 issue for businesses selling It is now widely recognized that one of the main of HBR carried an article products that are pur. determinants of business profitability is market that reported on Phases I chased infrequently by a share. Under most circumstances, enterprises that and II of a project spon-
Extend Proposition 151.1 (the Perfect Folk Theorem with discounting) to arbitrary mixtures of payoff profiles of the original game G =(, (A Ui) ) Allow for both rational and real weights on the set of profiles {u(a): a E A}; note that the statement of the result will involve an approximation of the payoff profile