The birth and growth of firms. The motives and methods of growth Costs Revenue. Profit. Alternative motives for firms and links Short run and long run. Diminishing Marginal Returns and Economies of scale. Perfect competition Monopoly Monopolistic competition Game theory Oligopoly Cartels Comparing efficiency between the market structures. Monopoly And The Public Interest Measures of market concentration Price discrimination in monopoly Pricing and non-pricing strategies Contestable markets Competition policy Regulation of privatised industries