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ECONOMICS Johnson Hsu July 2014
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Transport economics 1.Transport, transport trends and the economy 2.Market structure and competitive behavior in transport markets 3.Market failure and the role of interventionin transport market 4.Transport economics and government policy
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Costs The value of inputs
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Fixed costs Costs that are independent of output produced
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Variable costs Costs that are directly related to the level of output produced
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Total cost The total cost of production or provision of a service Total cost = Fixed cost + Variable cost
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Vehicle operating costs of 44-tonne articulated vehicle with average annual mileage of 70000 £ per annum Pence per mile Standing costs Vehicle excise duty1,2001.71 Insurance3,8775.54 depreciation13,69119.56 18,76826.81 Running costs Fuel33,44847.78 Tyres3,3534.79 Maintenance10,67215.25 47,47367.82 Total vehicle cost66,24194.63 Cost of driver 30,33843.34 Cost of vehicle and driver96,579137.97 Business of vehicle and driver14,26020.38 Total cost 110,839158.35
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Average cost The unit cost of production
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Marginal cost The change in total cost when one more unit of output is produced
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Revenue Receipts from sales
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Total revenue Quantity x price
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Price taker A firm in a competition market that has to accept the market price
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Price maker A firm that has control over the market price
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Average revenue Total avenue ÷ quantity
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Marginal revenue Addition to total revenue from one additional sale
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What is the optimum point of production for short run? Ans: where the average cost is at its minimum point.
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Short run Time period when a firm is unable to change factors of production except for one, usually labour
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Long run Time period when all factor inputs can be changed
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Minimum efficient scale The lowest level of output where long-run average cost is minimised.
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Economies of scale The benefits gain through producing on a large scale
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General sources of economies of scale Technical economies Purchasing economies Managerial economies Financial economies
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The cause of diseconomies of scale are Problems of communication Problems of co-ordination Problems of industrial relations
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Purchasing economies Reduced unit costs due to bulk buying of inputs into a business
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Managerial economies Saving in long-run average costs due to the specialisation of management
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Financial economies The cost saving that large firms may receive when borrowing money
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Diseconomies of scale Causes of an increase in long- run average costs beyond the point of minimum efficient scale
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The objectives of a firm Profit maximisation The avoidance of risk Long-term growth
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External economies of scale Falling long-run average costs that benefit all firms in an industry
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Why firms may not operate exactly at the profit maximisation level of output? It is difficult to identify the profit maximisation position, since firms are unlikely to know their marginal cost and marginal revenue. What is more likely is that they know their long-run average cost and will use this to determine prices by adding on a profit margin. Large profits might attract the attention of government watchdogs, damage employee relations and attract new entrants into a market to alienate consumers
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Profit satisficing Where a firm makes a reasonable level of profit that satisfies its stakeholders without maximising profit
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What are the reasons that a firm makes a reasonable level of profit that is sufficient to satisfy it shareholder or its owners while not maximising profits? Ans: 1.The firm’s manager may be unwilling to take unnecessary risks that are likely to occur with a profit maximisation objective. 2.Consistent with keeping stakeholders satisfied. 3.A firm has close business rivals.
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Profit maximisation The objective of firm that is achieved where marginal cost = marginal revenue
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Sales maximisation An objective that involves that maximisation of the volume of sales
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Cross-subusidisation A business practice where revenue from profitable activities is used to support loss-making ones
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Break-even level Where total revenue just covers total cost
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Types of profit Normal profit: the level of profit that keeps a firm in a particular activity Supernormal profit: profit that is more than normal profit
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Market structure The characteristics of a market
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Concentration ratio The proportion of the total market shared between the nth largest firms
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Two weakness when measuring the market concentration It does not necessarily give a true picture of actual market shares. It gives no indication of total market size.
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The tools of barriers to entry into transport market High set-up costs Economies of scale Legal barriers Brand loyalty Intimidation Predatory pricing
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Allocative efficiency Where price is equal to marginal cost
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Productive efficiency Using the least possible amount of scarce resources to produce the maximum output
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Natural monopoly Where a monopolist has overwhelming cost advantage
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Dynamic efficiency Where unit costs are lowered over time
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Contestable market A set of conditions where there is always the threat of new firms being able to enter a market
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Price discrimination Where a monopolist charges different prices for the same product in different markets
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What is important in transport market where there is a peaked demand? Ans:Time.
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Monopolistic competition A market structure with many firms producing a differentiated product and where there are few barriers to entry and exit
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Product differentiation Where there are minor variations in the types of products on offer
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The characteristics of monopolistic competition Product differentiation Firms are price makers, as in a monopoly. There are a large number of firms in the market but none is relatively large in terms of the overall market size. There are only low barriers to entry, making it easy for firms to enter this market; if supernormal profit is being earned, then this acts as a signal for new firms to enter. The cost of exit is also low, with firms able to recoup their capital expenditure.
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Deadweight loss Loss to society of the firm producing where price exceeds marginal cost
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Excess capacity A consequence of firms producing at above the minimum point on the averge cost curve
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Non-price competition Competition between firms on the basis of, for example, branding, customer service, location, range of product, advertising
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Interdependent Where the actions of one firm provoke counter-action by others
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Characteristics for oligopoly High barriers to entry Price rigidity due to risk and uncertainties associated with price competition Non-price competition in order to gain market share Profit maximisation may not be the firm objective
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Oligopolists behave Kinked demand indicative of price rigidity in oligopoly Game theory a means of modelling the behavior of firms
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An oligopoly game matrix A’s price £1£1£1£190p B’s pric e £1£1£1£1 £ 2m each £ 1mB £ 2.2m A 90p £ 2.2m B £ 1m A £ 1.5m each
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Collusion Where firms tacitly or otherwise agree to not compete on prices, service provision and other matters that might adversely affect mutual well-being
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Collusion example A price agreement or output agreement designed to restrict competition, possibly to scare off new firms looking to enter the market Price leadership, where when one firm, usually the market leader, increases it price and other follows
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A market is perfectly contestable where There is a pool of potential entrants into the market. Entry and exit are costless. All firms are subject to the same regulations and state of technology. Mechanisms are in place to prohibit responsive or entry limit pricing, as existing firms have lower costs than potential entrants Incumbent firms are vulnerable to ‘hit-to-run’ competition.
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Third package Open access, whereby EU airlines can establish themselves in any other member state and operate services with no capacity restrictions. Airlines are permitted to fix their own fares and cargo rate subject to predatory pricing safeguards. Common criteria have to be applied for granting operators’ licences.
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Franchising The outcome of a competitive system to bid for the provision of services
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