Dr. G. Loth.  Definition Market is a system by which buyers and sellers bargain for the price of a product, settle the price and transact their business.

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Presentation transcript:

Dr. G. Loth

 Definition Market is a system by which buyers and sellers bargain for the price of a product, settle the price and transact their business – buy and sell a product. Market does not necessarily mean a place and personal contact between the buyers and sellers is not necessary.

 Market for a commodity can be local, regional national or international.  What makes a market is a set of buyers, a set of sellers and a commodity.

 Market structure influences firms pricing decisions a great deal.  The degree of competition determines firm’s degree of freedom in determining the price of its product.  The higher the degree of competition, the lower the firms degree of freedom in pricing decision and control over the price of its own product and vice versa.

 Determinants of market structure ◦ Freedom of entry and exit ◦ Nature of the product – homogenous (identical), differentiated? ◦ Control over supply/output ◦ Control over price ◦ Barriers to entry

 Type of market structure influences how a firm behaves: ◦ Pricing ◦ Supply ◦ Barriers to Entry ◦ Efficiency ◦ Competition

Degree of competition in the industry  High levels of competition – Perfect competition  Limited competition – Monopoly  Degrees of competition in between

 Perfect Competition: i.Free entry and exit to industry – no restriction ii.Homogenous product – identical so no consumer preference iii.Large number of buyers and sellers – no individual seller can influence price iv.Sellers are price takers – have to accept the market price

v. Perfect information available to buyers and sellers vi. No government intervention – no licensing system regulating entry of firms to the industry, - no regulation of market prices. - no control over the supply

vii. Absence of collusion or artificial restraint - There is no sellers union or other kind of collusion between the sellers such as cartels or guilds - Each seller and buyer acts independently

 Examples of perfect competition: ◦ Financial markets – stock exchange, currency markets, bond markets? ◦ Agriculture?  To what extent?

Advantages of Perfect Competition:  High degree of competition helps allocate resources to most efficient use  Price = marginal costs  Normal profit made in the long run  Firms operate at maximum efficiency  Consumers benefit

 What happens in a competitive environment? ◦ New idea? – firm makes short term abnormal profit ◦ Other firms enter the industry to take advantage of abnormal profit ◦ Supply increases – price falls ◦ Long run – normal profit made ◦ Choice for consumer ◦ Price sufficient for normal profit to be made but no more!

 Imperfect or Monopolistic Competition ◦ Many buyers and sellers ◦ Products differentiated ◦ Relatively free entry and exit ◦ Each firm may have a tiny ‘monopoly’ because of the differentiation of their product ◦ Firm has some control over price ◦ Examples – restaurants, professions – solicitors, etc., building firms – plasterers, plumbers, etc.

 Oligopoly  Defn: Market structure in which there are few sellers selling a homogeneous or differentiated product…eg. Bread, cement, petrol, mobile phone companies etc.

 Oligopoly Sources of Oligopoly 1. Huge capital investment e.g. Aircrafts, TV sets steel and aluminum goods etc. 2. Economies of scale –cost advantage 3. Patent rights 4. Control over certain raw materials 5. Merger and takeover….

 Oligopoly  Features of oligopoly 1. small number of sellers 2. independence of decision making - no collusion, action, counteraction, reaction 3. barriers to entry…huge inv. required, economies of scale, customer loyalty, resistance by price cutting. 4. independent price and output

 Oligopoly – Competition amongst the few ◦ Industry dominated by small number of large firms ◦ Many firms may make up the industry ◦ High barriers to entry ◦ Products could be highly differentiated – branding or homogenous ◦ Non–price competition ◦ Price stability within the market - kinked demand curve? ◦ Potential for collusion? ◦ Abnormal profits ◦ High degree of interdependence between firms

 Examples of oligopolistic structures: ◦ Supermarkets ◦ Banking industry ◦ Chemicals ◦ Oil ◦ Medicinal drugs ◦ Broadcasting

 Measuring Oligopoly:  Concentration ratio – the proportion of market share accounted for by top X number of firms: ◦ E.g. 5 firm concentration ratio of 80% - means top 5 five firms account for 80% of market share ◦ 3 firm CR of 72% - top 3 firms account for 72% of market share

Duopoly:  Industry dominated by two large firms  Possibility of price leader emerging – rival will follow price leaders pricing decisions  High barriers to entry  Abnormal profits likely

 Monopoly:  Pure monopoly – industry is the firm!  Actual monopoly – where firm has >25% market share  Natural Monopoly – high fixed costs – gas, electricity, water, telecommunications, rail

Causes of monopoly  Legal restrictions – in the public interest, eg. Railways, electricity, air lines - Entry to these industries is restricted by law.  Control over key raw materials “raw material monopolies”  Efficiency “natural monopolies” - economies of scale

 Monopoly: ◦ High barriers to entry ◦ Firm controls price OR output/supply ◦ Abnormal profits in long run ◦ Possibility of price discrimination ◦ Consumer choice limited ◦ Prices in excess of MC

 Advantages and disadvantages of monopoly:  Advantages: ◦ May be appropriate if natural monopoly ◦ Encourages R&D ◦ Development of some products not likely without some guarantee of monopoly in production ◦ Economies of scale can be gained – consumer may benefit

 Disadvantages: ◦ Exploitation of consumer – higher prices ◦ Potential for supply to be limited - less choice ◦ Potential for inefficiency –

 Monopsony Market structure in which there are many sellers and one buyer…e.g.