A revision note on aspects of industries in which there is strong market power among one or a few businesses.  Most markets are competitive with a number of suppliers (producers) competing for the demand of consumers. Some are more competitive than others. At AS level it is important to understand some of the factors that lead to market (monopoly) power and to evaluate the costs and benefits of markets where monopoly power exists together with the effects of different types of government intervention. The revision note is available to download here: Revision_Market_Power.doc

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