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In microeconomics, the Bertrand–Edgeworth model of price-setting oligopoly looks at what happens when there is a homogeneous product (i.e. consumers want to buy from the cheapest seller) where there is a limit to the output of firms which are willing and able to sell at a particular price. This differs from the Bertrand competition model ...
The Edgeworth model shows that the oligopoly price fluctuates between the perfect competition market and the perfect monopoly, and there is no stable equilibrium. [6] Unlike the Bertrand paradox, the situation of both companies charging zero-profit prices is not an equilibrium, since either company can raise its price and generate profits.
Some reasons the Bertrand paradox do not strictly apply: Capacity constraints. Sometimes firms do not have enough capacity to satisfy all demand. This was a point first raised by Francis Edgeworth [5] and gave rise to the Bertrand–Edgeworth model. Integer pricing. Prices higher than MC are ruled out because one firm can undercut another by an ...
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The model also ignores capacity constraints. If a single firm does not have the capacity to supply the whole market then the "price equals marginal cost" result may not hold. The analysis of this case was started by Francis Ysidro Edgeworth and has become known as the Bertrand–Edgeworth model.
Bertrand–Edgeworth model A microeconomic model of price-setting oligopoly which studies what happens when there is a homogeneous product (i.e. consumers want to buy from the cheapest seller) where there is a limit to the output of firms which they are willing and able to sell at a particular price.
In the Edgeworth box, it is a point at which Octavio's indifference curve is tangent to Abby's indifference curve, and it is inside the lens formed by their initial allocations. Thus the contract curve, the set of points Octavio and Abby could end up at, is the section of the Pareto efficient locus that is in the interior of the lens formed by ...
English: This Edgeworth box depicts the Pareto efficient allocation of Sandwiches and Capri Sun between two consumers. The diagonal line represents the set of efficient allocations and the point of tangency between the two consumers indifference curves represents the Pareto efficient point.