Map of world pdf for Cournot’s path-breaking work went unnoticed for about 50 years until J. Bertrand reviewed it in 1883. Bertrand criticized Cournot’s work by contending that it is more appealing to let the sellers set the prices themselves, without the help of an auctioneer. His proposed modification, sellers setting prices rather than deciding on quantities, resulted in a radically different solution to the oligopoly problem. According to Bertrand, price will be equal to marginal cost as long as there are two or more firms; the oligopoly solution will be the perfectly competitive outcome no matter how many sellers there are in the market. This result is sometimes referred to as the Bertrand Paradox in the oligopoly literature. F. Map of world pdf 2016.