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In this note we consider the nature of competition within different industries. You will find during your study of economics that no two markets are ever the same because they all have different market structures. The market for airline travel is very different from the market for coal or the market for clothing on the high street. At AS level you need to understand what is meant by monopoly power in a market and also consider some of the costs and benefits of markets and industries where one or more firms have market power. An introduction to market structures A market structure is the characteristics of a market which can affect the behaviour of businesses within the market and also influence the outcome of a market in terms of economic efficiency and the welfare of consumers. Some of the main aspects of market structure are listed below:
The market for detergents The market for detergents and fabric conditioners is dominated by two producers, Proctor & Gamble and Unilever. The total value of the market for clothes-washing detergents and laundry aids was worth around £1.42 billion in 2005 with 75 per cent of this market being taken up by sales of detergents. Proctor & Gamble and Unilever account for 84 per cent of the market with the remaining market share being taken mainly by the own-label sales of the major supermarkets.
Some of the features of this market are as follows:
The market for gas and electricity supplies The market for gas supply in the UK was privatised in 1986 with the market for electricity generation and distribution also transferred to the private sector of the economy a few years later. Over the years the years there have been important changes in the market share of the leading electricity distribution companies and domestic gas suppliers with the former state monopolies losing much of their dominance over this time. The most recently available market share data is shown in the table below.
The UK energy market is split into three elements. Suppliers sell electricity and gas to final commercial, industrial and household consumers. Distributors are companies responsible for getting energy to users e.g. by building and maintaining the infrastructure of pipes and cables in the road and in installing meters. Thirdly, the generators are responsible for generating the energy used in homes, offices, shops and factories. The retail market for energy is competitive because all users are now able to change their gas or electricity supplier. That said, although suppliers are competing with each other for customers, many people do not switch their suppliers even when they might be able to make savings on their gas or electricity bill. One reason is that people do not find it easy to get accurate information about what the differences are between these competing suppliers. The industry regulator OFGEM believes that the opening up of the market to competition (and subsequent changes to market structure) has worked well over the last fifteen years. They claim for example that in March 2006, 900,000 customers responded to a series of gas and electricity price rises by switching their energy supplier. Their energy-watch web site is designed to improve flows of information for consumers so that more of them can switch supplier. The gas and electricity supply industry is best described as an oligopoly since virtually the whole market is taken by the six leading businesses. But the market is competitive because consumers have a real choice about who will sell them their energy. The market share of new entrants into the industry since privatisation is now above 40 per cent for both gas and electricity. British Gas has seen a steady and persistent decline in its share of the gas market and by March 2006 this was down to 52 per cent compared to 63 per cent in the winter of 2002. What is a monopoly? There are several meanings of the term monopoly:
How monopolies can develop Monopoly power can come from the successful organic (internal) growth of a business or through mergers and acquisitions (also known as the integration of firms). Horizontal Integration Vertical Integration
Case Study: Building a Monopoly Position
Tesco has built a monopoly position in the UK food retailing industry and is now increasing its share of the non-food retail sector. What are the costs and benefits of Tesco’s dominance? Market share in the UK retail grocery industry for the 12 Weeks to 18 June 2006
The Internal Expansion of a Business Firms can generate higher sales and increased market share by expanding their operations and exploiting possible economies of scale. This is internal rather than external growth and therefore tends to be a slower means of expansion contrasted to mergers and acquisitions. To go back to our previous example, US computer giant Dell succeeded in raising total sales revenue by 58 per cent over the last five years. Preventing competition - barriers to entry Barriers to entry are the means by which potential competitors are blocked. Monopolies can then enjoy higher profits in the long run as rivals have not diluted market share. There are several different types of entry barrier – these are summarised below:
Monopoly, market failure and government intervention Should the government intervene to break up or control the monopoly power of firms in markets? This debate about the benefits and costs of government intervention revolves around the advantages and disadvantages of businesses holding monopoly power. A monopolist is able to enjoy and exploit some power over the setting of prices or output. But be careful of stating that monopolists can “charge any price that they like”! A monopolist cannot, charge a price that the consumers in the market will not bear! In this sense, the price elasticity of the demand curve acts as a constraint on the pricing power of the monopolist. The economic and social costs of monopoly The main case against a monopoly is that these businesses can earn higher profits at the expense of allocative efficiency. The monopolist will seek to extract a price from consumers that is above the cost of resources used in making the product. And higher prices mean that consumers’ needs and wants are not being satisfied, as the product is being under-consumed. Under conditions of monopoly, consumer sovereignty has been partially replaced by producer sovereignty.
In the diagrams above we contrast a market where demand is price inelastic (i.e. Ped <1) with one where demand is more sensitive to price changes (i.e. Ped>1). The former is associated with a monopoly where consumers have few close substitutes to choose from. When demand is inelastic, the level of consumer surplus is high, raising the possibility that the monopolist can reduce output and raise price above cost thereby operating with a higher profit margin (measured as the difference between price and average cost per unit).
One way of showing the loss of economic welfare that comes from monopolistic firms exploiting their power is to use supply and demand analysis and the concepts of consumer and producer surplus. If a monopoly reduces output from the equilibrium at Q1 to Q2 then it can sell this at a higher price P2. This results in a transfer of consumer surplus into extra producer surplus. But because price is now about the cost of supplying extra units, there is a loss of allocative efficiency. This is shown in the diagram by the shaded area which is not transferred to the producer, merely lost completely because output is lower than it would otherwise be in a competitive market. Higher costs – loss of productive efficiency: Another possible cost of monopoly power is that businesses may allow the lack of real competition to cause a rise in production costs and a loss of productive efficiency. When competition is tough, businesses must keep firm control of their costs because otherwise, they risk losing market share. Some economists go further and say that monopolists may be even less efficient because, if they believe that they have a protected market, they may be less inclined to spend money on research and improved management. These inefficiencies can lead to a waste of scarce resources. The potential benefits of monopoly The possible economic benefits of monopoly power suggest that the government and the competition authorities should be careful about intervening directly in markets and try to break up a monopoly.
Huge corporations enjoying a high level of profits are well placed to allocate some of their profits to fund capital investment spending and research and development projects. The positive spill-over effects of research can be seen in a faster pace of innovation and the development of improved products for consumers. This is particularly the case in industries such as telecommunications and pharmaceuticals. This can lead to gains in dynamic efficiency and social benefits (i.e. positive externalities). The table below provides data from the 2005 UK research and development survey. The top firms are all household names, large scale businesses, and operating in industries and sectors where research spending is hugely important in being competitive against global competition.
Because monopoly producers often supply goods and services on a large scale, they may achieve economies of scale – leading to a fall in average costs. Lower costs will lead to an increase in profits but the gains in productive efficiency might be passed onto consumers through lower prices.
One argument in support of businesses with monopoly power is that the British economy needs multinational companies operating on a scale large enough to compete in global markets. A firm may enjoy domestic monopoly power, but still face competition in overseas markets. Two good examples of these are UK Coal and Corus, the UK-Dutch owned steel manufacturer. Government intervention in markets – an introduction to UK competition policy Competition policy involves the regulation of markets so that consumer welfare is protected and improved. It operates in different ways – three of the main competition bodies are the Competition Commission, the Office of Fair Trading and the European Union Competition Authority.
Another key role for the regulatory agencies is to monitor the quality of service provision and improve standards for consumers. Examples of utility regulator web sites can be found by using the following links: OFGEM: www.ofgem.gov.uk/ofgem/index.jsp Many markets have firms with monopoly power but they seem to work perfectly well from the point of view of the consumer. Although there is a consensus among many economists that competition is a force for good in the long-run, we should be careful not simply to assume that monopoly power is bad and competition is good. There are persuasive arguments on both sides. In recent years many markets have become more competitive with the entry of new suppliers and much greater choice for consumers. Many factors have contributed to this including:
Deregulation of monopoly |
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| Author: Geoff Riley, Eton College, September 2006 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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