Tag: positive externalities


Back in October 2020 in the blog All change for the railways, we looked at the emergency measures for running the railways in Great Britain following the collapse in rail traffic because of the COVID-19 pandemic. We also looked ahead to plans for reorganising the railways, with the expectation that the current franchising system would be scrapped and replaced with a system whereby the train-operating companies (TOCs) would be awarded a contract to run rail services. They would be paid a performance-related fee. All ticket revenues would go to the government, which would bear the costs and the risks. While this would not be quite renationalisation, it would, in effect, be a contract system where private companies are paid to deliver a public service.

The Transport Secretary, Grant Shapps, has just announced the new system in a White Paper, which is indeed the anticipated contract system. The White Paper has drawn on the findings of the Williams Rail Review, independently chaired by Keith Williams.

The new system has the following features:

  • A new public-sector body, Great British Railways (GBR), will be created which will eventually absorb Network Rail.
  • GBR will produce five-year business plans. It will also develop a 30-year strategy to shape the long-term development of the railways and will include plans to decarbonise the whole rail network.
  • It will be in charge of planning and operating rail infrastructure in England, including track, signalling, stations and depots.
  • It will work closely with the devolved rail authorities in Scotland, Wales, London, Merseyside, and Tyne and Wear.
  • It will set timetables, plan train operations, set most fares, sell tickets (at stations and on a new dedicated website) and collect revenues.
  • The ticketing system will be reformed, with a single integrated system of fares across England, and potentially the devolved rail authorities too. The website will show the best and cheapest options for any given journey. New flexible season tickets will be introduced, allowing workers to travel on limited numbers of days: e.g. eight days in any 28-day period. Also, a new single compensation scheme will simplify the system for refunds.
  • Private train-operating companies (TOCs) will run trains over particular routes. They will bid for Passenger Service Contracts (PSCs), which will be awarded by competitive tender. They will be paid a management fee, rather than receiving revenues from ticket sales. The fees will include performance incentives and penalties, which will depend on meeting targets for punctuality, reliability, safety and cleanliness.
  • Rolling stock (trains, locomotives and freight wagons) will continue to be procured from the private sector, which will generally be leased to TOCs. It is hoped that by awarding PSCs for a number of years, TOCs will be encouraged to make large-scale procurements of rolling stock.
  • GBR in England will be divided into five regional divisions, which will be ‘accountable to customers for their journeys; manage PSCs, stations and infrastructure; procure private partners, such as operators and contractors; manage budgets both locally and regionally; integrate track and train at a local level; work with and be responsive to the needs of local and regional partners, and integrate rail with other transport services’.
  • GBR will be held to account by the Office of Rail and Road (ORR), which will monitor its performance.

In its White Paper, the government has recognised that, in many ways, rail privatisation has failed. Page 13 states:

Breaking British Rail into dozens of pieces was meant to foster competition between them and, together with the involvement of the private sector, was supposed to bring greater efficiency and innovation. Little of this has happened. Instead, the fragmentation of the network has made it more confusing for passengers, and more difficult and expensive to perform the essentially collaborative task of running trains on time.

But will the new system bring a better integrated, more efficient, punctual, reliable and greener railway, with more investment, an enlarged network and lower ticket prices? These are certainly aims of the White Paper. But a lot will depend on the details, yet to be finalised.

Crucially, it is not clear the extent to which the rail system will be subsidised. Will any subsidies internalise the positive externalities from rail travel? Also, it is not clear exactly what incentives and penalties will be introduced to encourage efficiency, punctuality, safety and cleanliness.

What is also not clear is the degree of contestability of rail routes and freight operations. Routes are contestable at the time of bidding for PSCs, with more efficient companies able to outbid the less efficient ones. But with changing conditions and the desire to maintain contestability, contracts need to be relatively short. However, it contracts are too short, there is no incentive for TOCs to invest in trains and infrastructure. Thus inherent in the PSC system is a tension between competition and investment.

It does seem that fares and tickets will be simpler, with greater use of ‘tapping in and out’ as in London and in many other countries, allowing fares to be capped when multiple journeys are made in any given time period. Ultimately, however, it is price, frequency, punctuality, comfort and reliability that are the crucial metrics. Success according to these will depend on how well GBR is run, how well the PSC system operates and how much the rail system is subsidised. The jury is out on these questions.

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Questions

  1. Explain how the franchising system has worked. What problems have arisen with this system?
  2. If the proposed new system also involves contracts being awarded to train-operating companies, how is it better than the old franchising system?
  3. What were the Emergency Measures Agreements (EMAs) introduced in the pandemic and the Emergency Recovery Measures Agreements (ERMAs) which replaced them in September 2020? How similar are they to the proposed system of Passenger Service Contracts (PSCs) with train-operating companies?
  4. Identify the externalities involved in train travel? What is the best way of internalising them?
  5. Argue the case for and against making train travel cheaper by increasing subsidies.
  6. To what extent are individual rail routes natural monopolies? Does a franchising system overcome the problems associated with natural monopolies?

The linked articles below look at the state of the railways in Britain and whether renationalisation would be the best way of securing more investment, better services and lower fares.

Rail travel and rail freight involve significant positive externalities, as people and goods transported by rail reduce road congestion, accidents and traffic pollution. In a purely private rail system with no government support, these externalities would not be taken into account and there would be a socially sub-optimal use of the railways. If all government support for the railways were withdrawn, this would almost certainly result in rail closures, as was the case in the 1960s, following the publication of the Beeching Report in 1963.

Also the returns on rail investment are generally long term. Such investment may not, therefore, be attractive to private rail operators seeking shorter-term returns.

These are strong arguments for government intervention to support the railways. But there is considerable disagreement over the best means of doing so.

One option is full nationalisation. This would include both the infrastructure (track, signalling, stations, bridges, tunnels and marshalling yards) and the trains (the trains themselves – both passenger and freight – and their operation).

At present, the infrastructure (except for most stations) is owned, operated, developed and maintained by Network Rail, which is a non-departmental public company (NDPB) or ‘Quango’ (Quasi-autonomous non-governmental organisation, such as NHS trusts, the Forestry Commission or the Office for Students. It has no shareholders and reinvests its profits in the rail infrastructure. Like other NDPBs, it has an arm’s-length relationship with the government. Network Rail is answerable to the government via the Department for Transport. This part of the system, therefore, is nationalised – if the term ‘nationalised organisations’ includes NDPBs and not just full public corporations such as the BBC, the Bank of England and Post Office Ltd.

Train operating companies, however, except in Northern Ireland, are privately owned under a franchise system, with each franchise covering specific routes. Each of the 17 passenger franchises is awarded under a competitive tendering system for a specific period of time, typically seven years, but with some for longer. Some companies operate more than one franchise.

Companies awarded a profitable franchise are required to pay the government for operating it. Companies awarded a loss-making franchise are given subsidies by the government to operate it. In awarding franchises, the government looks at the level of payments the bidders are offering or the subsidies they are requiring.

But this system has come in for increasing criticism, with rising real fares, overcrowding on many trains and poor service quality. The Labour Party is committed to taking franchises into public ownership as they come up for renewal. Indeed, there is considerable public support for nationalising the train operating companies.

The main issue is which system would best address the issues of externalities, efficiency, quality of service, fares and investment. Ultimately it depends on the will of the government. Under either system the government plays a major part in determining the level of financial support, operating criteria and the level of investment. For this reason, many argue that the system of ownership is less important than the level and type of support given by the government and how it requires the railways to be run.

Articles

The case for re-nationalising Britain’s railways The Conversation, Nicole Badstuber (27/8/15)
Lessons from the Beeching cuts in reviving Britain’s railwa The Conversataion, Andrew Edwards (7/12/17)
Britain’s railways were nationalised 70 years ago – let’s not do it again The Conversation, Jonathan Cowie (1/1/18)
FactCheck Q&A: Should we nationalise the railways? Channel 4 News, Martin Williiams (18/5/17)
Britain’s railways need careful expansion, not nationalisation Financial Times, Julian Glover (5/1/18)
Right or wrong, Labour is offering a solution to the legitimacy crisis of our privatised railways Independent. Ben Chu (2/1/18)
Whether or not nationalisation is the answer, there are serious questions about the health of Britain’s railways Independent. Editorial (2/1/18)
Why Nationalising The Railways Is The Biggest Misdirect In Politics Huffington Post, Chris Whiting (5/1/18)

Questions

  1. What categories of market failure would exist in a purely private rail system with no government intervention?
  2. What types of savings could be made by nationalising train operating companies?
  3. The franchise system is one of contestable monopolies. In what ways are they contestable and what benefits does the system bring? Are there any costs from the contestable nature of the system?
  4. Is it feasible to have franchises that allow more than one train operator to run on most routes, thereby providing some degree of continuing competition?
  5. How are rail fares determined in Britain?
  6. Would nationalising the train operating companies be costly to the taxpayer? Explain.
  7. What determines the optimal length of a franchise under the current system?
  8. What role does leasing play in investment in rolling stock?
  9. What are the arguments for and against the government’s decision in November 2017 to allow the Virgin/Stagecoach partnership to pull out of the East Coast franchise three years early because it found the agreed payments to the government too onerous?
  10. Could the current system be amended in any way to meet the criticisms that it does not adequately take into account the positive externalities of rail transport and the need for substantial investment, while also encouraging excessive risk taking by bidding companies at the tendering stage?

According to Christine Lagarde, Managing Director of the IMF, the slow growth in global productivity is acting as a brake on the growth in potential income and is thus holding back the growth in living standards. In a recent speech in Washington she said that:

Over the past decade, there have been sharp slowdowns in measured output per worker and total factor productivity – which can be seen as a measure of innovation. In advanced economies, for example, productivity growth has dropped to 0.3 per cent, down from a pre-crisis average of about 1 per cent. This trend has also affected many emerging and developing countries, including China.

We estimate that, if total factor productivity growth had followed its pre-crisis trend, overall GDP in advanced economies would be about 5 percent higher today. That would be the equivalent of adding another Japan – and more – to the global economy.

So why has productivity growth slowed to well below pre-crisis rates? One reason is an ageing working population, with older workers acquiring new skills less quickly. A second is the slowdown in world trade and, with it, the competitive pressure for firms to invest in the latest technologies.

A third is the continuing effect of the financial crisis, with many highly indebted firms forced to make deep cuts in investment and many others being cautious about innovating. The crisis has dampened risk taking – a key component of innovation.

What is clear, said Lagarde, is that more innovation is needed to restore productivity growth. But markets alone cannot achieve this, as the benefits of invention and innovation are, to some extent, public goods. They have considerable positive externalities.

She thus called on governments to give high priority to stimulating productivity growth and unleashing entrepreneurial energy. There are several things governments can do. These include market-orientated supply-side policies, such as removing unnecessary barriers to competition, driving forward international free trade and cutting red tape. They also include direct intervention through greater investment in education and training, infrastructure and public-sector R&D. They also include giving subsidies and/or tax relief for private-sector R&D.

Banks too have a role in chanelling finance away from low-productivity firms and towards ‘young and vibrant companies’.

It is important to recognise, she concluded, that innovation and structural change can lead to some people losing out, with job losses, low wages and social deprivation. Support should be given to such people through better education, retraining and employment incentives.

Articles

IMF chief warns slowing productivity risks living standards drop Reuters, David Lawder (3/4/17)
Global productivity slowdown risks social turmoil, IMF warns Financial Times, Shawn Donnan (3/4/17)
Global productivity slowdown risks creating instability, warns IMF The Guardian, Katie Allen (3/4/17)
The Guardian view on productivity: Britain must solve the puzzle The Guardian (9/4/17)

Speech
Reinvigorating Productivity Growth IMF Speeches, Christine Lagarde, Managing Director, IMF(3/4/17)

Paper
Gone with the Headwinds: Global Productivity IMF Staff Discussion Note, Gustavo Adler, Romain Duval, Davide Furceri, Sinem Kiliç Çelik, Ksenia Koloskova and Marcos Poplawski-Ribeiro (April 2017)

Questions

  1. What is the relationship between actual and potential economic growth?
  2. Distinguish between labour productivity and total factor productivity.
  3. Why has total factor productivity growth been considerably slower since the financial crisis than before?
  4. Is sustained productivity growth (a) a necessary and/or (b) a sufficient condition for a sustained growth in living standards?
  5. Give some examples of technological developments that could feed through into significant growth in productivity.
  6. What is the relationship between immigration and productivity growth?
  7. What policies would you advocate for increasing productivity? Explain why.

When an industry produces positive externalities, there is an argument for granting subsidies. To achieve the socially efficient output in an otherwise competitive market, the marginal subsidy should be equal to the marginal externality. This is the main argument for subsidising wind power. It helps in the switch to renewable energy away from fossil fuels. There is also the secondary argument that subsidies help encourage the development of technologies that would be too uncertain to fund at market rates.

If subsidies are to be granted, it is important that they are carefully designed. Not only does their rate need to reflect the size of the positive externalities, but also they should not entail any perverse incentive effects. But this is the claim about subsidies given to wind turbines: that they create an undesirable side effect.

Small-scale operators are encouraged to build small turbines by offering them a higher subsidy per kilowatt generated (through higher ‘feed-in’ tariffs). But according to a report by the Institute for Public Policy Research (IPPR), this is encouraging builders and operators of large turbines to ‘derate’ them. This involves operating them below capacity in order to get the higher tariff. As the IPPR overview states:

The scheme is designed to support small-scale providers, but the practice of under-reporting or ‘derating’ turbines’ generating capacity to earn a higher subsidy is costing the taxpayer dearly and undermining the competitiveness of Britain’s clean energy sector.

The loophole sees developers installing ‘derated’ turbines – that is, turbines which are ‘capped’ so that they generate less energy. Turbines are derated in this way so that developers and investors are able to qualify for the more generous subsidy offered to lower-capacity turbines, generating 100–500kW. By installing derated turbines, developers are making larger profits off a feature of the scheme that was designed to support small-scale projects. Currently, the rating of a turbine is declared by the manufacturer and installer, resulting in a lack of external scrutiny of the system.

The subsidies are funded by consumers through higher electricity prices. As much as £400 million could be paid in excess subsidies. The lack of scrutiny means that operators could be receiving as much as £100 000 per year per turbine in excess subsidies.

However, as the articles below make clear, the facts are disputed by the wind industry body, RenewableUK. Nevertheless, the report is likely to stimulate debate and hopefully a closing of the loophole.

Video

Turbine power: the cost of wind power to taxpayers Channel 4 News, Tom Clarke (10/2/15)

Articles

Wind subsidy loophole boosts spread of bigger turbines Financial Times, Pilita Clark (10/2/15)
Call to Close Wind Power ‘Loophole’ Herald Scotland, Emily Beament (10/2/15)
Wind farm developers hit back at ‘excessive subsidy’ claims Business Green, Will Nichols (10/2/15)
The £400million feed-in frenzy: Green energy firms accused of making wind turbines LESS efficient so they appear weak enough to win small business fund Mail Online, Ben Spencer (10/2/15)
Wind power subsidy ‘loophole’ identified by new report Engineering Technology Magazine, Jonathan Wilson (11/2/15)

Report

Feed-in Frenzy Institute for Public Policy Research, Joss Garman and Charles Ogilvie (February 2015)

Questions

  1. Draw a diagram to demonstrate the optimum marginal rate of a subsidy and the effect of the subsidy on output.
  2. Who should pay for subsidies: consumers, the government (i.e. taxpayers generally), electricity companies through taxes on profits made from electricity generation using fossil fuels, some other source? Explain your thinking.
  3. What is the argument for giving a higher subsidy to operators of small wind turbines?
  4. If wind power is to be subsidised, is it better to subsidise each unit of output of electricity, or the construction of wind turbines or both? Explain.
  5. What could Ofgem do (or the government require Ofgem to do) to improve the regulation of the wind turbine industry?

While much of the UK is struggling to recover from recession, the London economy is growing strongly. This is reflected in strong investment, a growth in jobs and rapidly rising house prices.

There are considerable external economies of scale for businesses locating in London. There is a pool of trained labour and complementary companies providing inputs and services are located in close proximity. Firms create positive externalities to the benefit of other firms in the same industry or allied industries.

London is a magnet for entrepreneurs and highly qualified people. Innovative ideas and business opportunities flow from both business dealings and social interactions. As Boris Johnson says in the podcast, “It’s like a cyclotron on bright people… People who meet each other and spark off each other, and that’s when you get the explosion of innovation.”

Then there is a regional multiplier effect. As the London economy grows, so people move to London, thereby increasing consumption and stimulating further production and further employment. Firms may choose to relocate to London to take advantage of its buoyant economy. There is also an accelerator effect as a booming London encourages increased investment in the capital, further stimulating economic growth.

But the movement of labour and capital to London can dampen recovery in other parts of the economy and create a growing divide between London and other parts of the UK, such as the north of England.

The podcast examines ‘agglomeration‘ in London and how company success breeds success of other companies. It also looks at some of the downsides.

Podcast

Boris Johnson: London is cyclotron on bright people BBC Today Programme, Evan Davis (3/3/14)

Articles

London will always win over the rest of the UK The Telegraph, Alwyn Turner (2/3/14)
Evan Davis’s Mind The Gap – the view from Manchester The Guardian, Helen Pidd (4/3/14)
London incubating a new economy London Evening Standard, Phil Cooper (Founder of Kippsy.com) (10/2/14)

Reports and data

London Analysis, Small and Large Firms in London, 2001 to 2012 ONS (8/8/13)
Regional Labour Market Statistics, February 2014 ONS (19/2/14)
London Indicators from Labour Market Statistics (11 Excel worksheets) ONS (19/2/14)
Annual Business Survey, 2011 Regional Results ONS (25/7/13)
Economies of agglomeration Wikipedia

Questions

  1. Distinguish between internal and external economies of scale.
  2. Why is London such an attractive location for companies?
  3. Are there any external diseconomies of scale from locating in London?
  4. In what ways does the expansion of London (a) help and (b) hinder growth in the rest of the UK?
  5. Examine the labour statistics (in the links above) for London and the rest of the UK and describe and explain the differences.