Collusive Oligopoly and the Formation of Cartels

In one of my previous articles, I’ve tried towhich is nothing but the aggregate demand curve of
portray that Uncertainty is the most important factor inthe consumers. The Marginal Revenue curve of the
the studies of Oligopoly.(cartel will show the addition to cartel’s revenue
So, due to its own virtue, setting prices independently isfor successive additions to its output and sales. The
very rare or almost non-existent in the oligopolisticMarginal Cost curve of the cartel can easily be got by
markets. Some kind of understanding between thehorizontally adding the marginal cost curves of the
firms arises, may be either in the form of a formalindividual firms. Now, the cartel will maximize its joint
agreement or even in a tacit way. A formalprofits by fixing the industry output at the point where
agreement is one when the oligopolists agree afterthe marginal revenue and marginal cost curves
discussion to observe certain common rules ofintersect each other.
conduct in regard to price and output determination. SoBut in reality the existence of the so called
this kind of an oligopolistic situation is generally termed‘perfect cartel’ is quite rare. In most of
as Collusive Oligopoly. But more often we find that thethe cases, cartels are found to be ‘loose’
agreement between the firms is a tacit one, as in mostand in those cases, the distribution of profits and
of the countries a formal or open agreements to formfixation of outputs of individual firms are not
monopolies are illegal.determined in a manner perfect cartels do. Generally a
Collusions can be of two major types:market sharing approach gets generated and it may
A. Cartelswork in two different manners:
B. Price Leadership1. Market Sharing by Non Price Competition: Here only
In this article I’m concentrating on Cartels only. Ina uniform price is set and the member firms are free
a Cartel type of collusion, firms jointly fix a price andto produce and sell amount of outputs which will
output policy through agreements. Basically, the termmaximize their individual profits. Though the firms agree
‘cartel’ was used for the agreement innot to sell products below a certain floor level, but they
which there existed a common agency which aloneare free to vary the style of their products and
undertook the selling operations of all the firms thatadvertising expenditure and to promote sales in the
were party to the agreement. But now-a-days allother ways.
types of formal and informal agreements reached2. Market Sharing by Quota: Here the member firms
among the oligopolistic firms of an industry are knownagree regarding the quota of output to be produced
as Cartels.and sold by each of them at the agreed price.
Formal collusion or agreement among the oligopolistsIt is worth mentioning that the all types of cartels are
may itself take a various forms. An extreme form ofunstable, when there exists cost difference between
collusion is found when the member firms agree tothe firms. The low cost firms always have the
surrender completely their rights of price and outputtendency to reduce the price of the product to
determination to a ‘Central Agency’, somaximize their profits which ultimately result in the
as to secure maximum ‘joint profits’. Thiscollapse of the collusive agreement. Again, if the entry
type of cartel is treated as the ‘perfectof the firms in the oligopolistic industry is free, the
cartels’.instability of the cartels is intensified as the new
Let us take a closer look into the mechanism ofentrants may not join the cartel and may fix a lower
working of a ‘perfect cartel’. Let usprice of the product to sell a larger quantity. This
assume that there are two firms who have formed ameans that the stability of the cartel agreement is
perfect cartel by entering the industry with analways in danger and it again shows the Uncertainty is
agreement to maximize the joint profit. Here, the cartelthe very basic nature of Oligopoly.
will firstly estimate the demand curve of the industry