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Tuesday 6 February 2018

Blockchain explainer: a revolution only in its infancy

Hannah Murphy and Philip Stafford in The Financial Times


The word blockchain has been the equivalent of financial fairy dust in recent weeks, adding tens of millions of dollars to the market value of companies, including former camera pioneer Kodak Eastman, that have announced a project involving the technology or simply added it to their names. 

However, technologists and executives warn that blockchain technology is still developing and the high-profile name changes and often giddy reaction in the stock market are far removed from the real-world experiments. 

What is a blockchain? 

It is an electronic database of transactions, whereby new deals are added to the chain and then stamped and protected with a mathematical equation. 

The database is shared among hundreds of other computers, or “nodes” on the network, to make it virtually impossible for one agent to change it. These nodes use their computing power and compete to verify and decode the latest transaction. This is then appended as a “block” to the chain. Its ability to offer a verifiable, immutable and public record is what attracts many advocates. 

“It can do for the nearly free and frictionless transfer of assets what the internet did for the nearly free and frictionless transfer of information,” says Jonathan Johnson, an executive at Overstock.com, an online retailer that accepts payment in virtual currencies. 

How is it being used? 

Its chief use is as the system behind most of the hundreds upon hundreds of virtual coins that are being created, stored and traded online — of which bitcoin is the best-known. Estonia uses distributed ledgers for the public to follow court, legal and democratic procedures. 

But interest in its potential is far greater, generating great discussion at the recent World Economic Forum in Davos. 

Some countries, such as Russia and China, are interested in creating their own virtual currencies. Sectors from pharmaceuticals to shipping and agriculture are looking at it as a way to streamline record-keeping and improve inventory management through tracking systems. 

Financial markets are among the most enthusiastic adopters. Equity funding into companies building on blockchain technology hit $1bn last year, across 215 deals, according to data from CB Insights, a research group. 

Ventures such as the bank-backed R3 consortium have raised more than $100m. Crédit Agricole, the French lender, on Thursday took a small equity stake in Setl, the UK blockchain technology developer. 

Many institutions — including bulge bracket banks and fund managers — hope that a real-time ledger could automate their creaky and expensive back office systems, saving them millions. 

Several test cases are planned, such as the effort by Australia’s stock exchange to replace its system for clearing and settling trades with blockchain. CLS, the world’s largest currency settlement service, is drawing up plans. Setl has more than 20 institutions on its Iznes record-keeping platform for European funds. 

“People who are working with us trust us. We’re seen as a really specialist market,” says Peter Randall, chief executive of Setl. 

What are its limitations? 

Development is slow while institutions become accustomed to blockchain technology’s biggest features — that the records are public but the owner of the digital currency is anonymous and therefore untraceable

Many are creating their own “permissioned” distributed ledgers, where only those with authorisation can access the network. Some are exploring ways to build privacy options into the technology — for example, the ability to mask certain parts of the data such as trade or customer information. 

“Right now any kind of corporate blockchain initiative is using multiple platforms and coins and building their own proprietary technology on top of it,” says Jalak Jobanputra, founder of New-York based venture capital fund Future/Perfect Ventures. “There isn’t anything off the shelf right now that works for these consortia.” 

It has also been held back by the troubled reputation of its associated asset, bitcoin. The anonymity afforded to bitcoin users means it has been used to enable money laundering and organised crime. 

Some experts have questioned whether the technology can be scaled to process thousands of deals and payments per second that other electronic systems routinely handle. As the market develops watchdogs are also weighing up new specific regulations targeting the technology. “There is a lot of focus on the potential conflict between blockchain and data protection laws,” says Sue McLean, a partner in Baker MacKenzie’s IT and commercial practice division. 

Does the future of cryptocurrencies impact the future of the blockchain? 

The current hype around blockchain is partly because of its link to the mania in cryptocurrencies. More than 1,500 have been launched, eight times the number of recognised government-backed currencies, according to CoinMarketcap.com. 

Initial coin offerings (ICOs) — in which blockchain-based start-ups issue their own digital “coins” — have created more incentives for the public to get involved in a nascent market. CB Insights estimates blockchain start-ups using ICO funding pulled in five times as much as equity funding last year, across 800 deals. 

But critics say none of the future uses of blockchain technology would make the cryptocurrencies more valuable. 

Steven Wieting, global chief investment strategist at Citi Private Bank, says the interest is a further indication of a “bull market psychology” in broader global markets. 

“This is evident in the very mild impact that negative events have had in market pricing. The willingness of so many to speculate in cryptocurrencies, an unproven financial innovation separate from the underlying blockchain technology, may be a symptom,” he says.

The myth of post-truth

The assumption is that my truth is as good as your truth, and hence all truths are immaterial and irrelevant. Such extreme relativism is a problem


Tabish Khair in The Hindu


It has been remarked that ‘post-truth’ is very different from similar terms with the prefix post-, such as postcolonialism and postmodernism. No one who uses postcolonialism or postmodernism argues that colonialism and modernism are no longer relevant. However, the assumption behind ‘post-truth’ is that the concept of truth is no longer relevant.

Why is there no post-falsehood?

The philosophical (or, in my view, anti-philosophical) aspects of ‘post-truth’ cannot be covered in a column — they would require a voluminous thesis. However, it is worth asking: why do we not talk of ‘post-falsehood’? After all, the opposite of truth is not post-truth but falsehood. In that case, if we can have an age of post-truth, we should be able to talk of an age of post-falsehood too. Having gone past truth, we should also be able to go past its opposite: falsehood. This, however, is not the case.

Partly, this has to do with the nature of truth and how we have understood it across cultures. Truth is seen as singular and fixed: it is generally felt that there can be only one truth, while there may be many falsehoods. Hence, we feel that to go past truth is to go past a singularity, but to go past falsehood might well mean to choose among multiple falsehoods.

There is another reason why ‘post-falsehood’ does not exist: strangely enough, it would come to mean ‘truth’. We instinctively feel that to go beyond generic falsehood is also to reach truth. That is because the positivity of truth cannot exist without the negativity of falsehood. The essential lie of ‘post-truth’ is exactly this: it is supposed not to suggest falsehood. But if there is no falsehood on the other side of truth, then there is no truth either. ‘Post-truth’ dismisses the very possibility of truth — and, by that act, it dismisses the existence of falsehood.

In short, it dismisses critical and scientific thinking, which are based not on eternal truth, which is religion’s penchant, but on a methodical and endless elimination of falsehoods. This is essentially what Karl Popper meant when he stressed that a scientific statement needs to be falsifiable.

It is nevertheless interesting to stand the matter on its head and pose this question: if we cannot talk of ‘post-falsehood’, surely the fact that we are talking of ‘post-truth’ means that there is actually a difference between truth and falsehood? And if that is the case, then, by definition, we can never have an age of ‘post-truth’ — in the sense of equating truths and falsehoods.

Truths are contextual

On the other hand, belief in a singular, unchanging truth is also what has led to the mistaken notion of an age of ‘post-truth’. That is so because the idea of one eternally fixed truth has been radically shaken over the past few centuries in different ways, most of which do not lead to extreme relativism but instead to a kind of contextualisation. However, this necessary shaking of given and fixed truths can be and is often converted into an extreme relativism by the loudly ignorant — a relativism in which all truths seem relative to you as an observer, and not to the complex context of the observation. This slippage inevitably leads to talk of post-truth, especially in fields outside the hard sciences.

In fact, truths are contextual — not relativist — in hard science too: the ‘truth’ of subatomic particles exists in the context of atoms, and the ‘truth’ of planetary systems in our universe exists in that context. These are not necessarily exclusive contexts, but only a seriously confused student would expect the rules that obtain within an atom to be the same as the rules that apply to our planetary system. This is what I mean by contextualisation.

Relativism, on the other hand, or at least extreme relativism (for many versions of what is called ‘relativism’ are basically contextualisation), extracts the observer from the context and makes the observer’s version paramount.

This is what lies at the core of ‘post-truth.’ The assumption is that my truth is as good as your truth, and hence all truths are immaterial and irrelevant. Need I note the problem of such extreme relativism, for it puts the observer outside a context, a context that can be and should be used to determine the ‘truth’ of his or her observations. Truths might not be eternally fixed, but we do get closer to what is true by comparing and contrasting our versions of it: to you it might be superman, to me it is a bird, but enough and better sightings will ascertain that it is actually a plane.

Hence, while one can argue about the details of evolution, the fact that both human beings and apes evolved from a common ancestor is more true than the claim that human beings were directly handcrafted by a god. There is overwhelming evidence of the former, and it can be dismissed only by stubborn acts of belief (or disbelief).
However, one should not oppose the myth of post-truth by returning to older and faulty myths of fixed, eternal truths. This too would block the necessary and fledgling project of critical inquiry. We need to maintain a balance between the dismissal of the difference between truth and falsehood and blind acceptance of given truths. The future of humanity depends on our precarious ability to maintain this delicate balance.

Wednesday 31 January 2018

Numbers aren't neutral

A S Paneerselvan in The Hindu



Analysing data without providing sufficient context is dangerous


An inherent challenge in journalism is to meet deadlines without compromising on quality, while sticking to the word limit. However, brevity takes a toll when it comes to reporting on surveys, indexes, and big data. Let me examine three sets of stories which were based on surveys and carried prominently by this newspaper, to understand the limits of presenting data without providing comprehensive context.

Three reports

The Annual Status of Education Report (ASER), Oxfam’s report titled ‘Reward Work, Not Wealth’, and the World Bank’s ease of doing business (EoDB) rankings have been widely reported, commented on, and editorialised. In most cases, the numbers and rankings were presented as neutral evaluations; they were not seen as data originating from institutions that have political underpinnings. Data become meaningful only when the methodology of data collection is spelt out in clear terms.

Every time I read surveys, indexes, and big data, I look for at least three basic parameters to understand the numbers: the sample size, the sample questionnaire, and the methodology. The sample size used indicates the robustness of the study, the questionnaire reveals whether there are leading questions, and the methodology reveals the rigour in the study. As a reporter, there were instances where I failed to mention these details in my resolve to stick to the word limit. Those were my mistakes.

The ASER study covering specific districts in States is about children’s schooling status. It attempts to measure children’s abilities with regard to basic reading and writing. It is a significant study as it gives us an insight into some of the problems with our educational system. However, we must be aware of the fact that these figures are restricted only to the districts in which the survey was conducted. It cannot be extrapolated as a State-wide sample, nor is it fair to rank States based on how specific districts fare in the study. A news item, “Report highlights India’s digital divide” (Jan. 19, 2018), conflated these figures.

For instance, the district surveyed in Kerala was Ernakulam, which is an urban district; in West Bengal it was South 24 Parganas, a complex district that stretches from metropolitan Kolkata to remote villages at the mouth of the Bay of Bengal. How can we compare these two districts with Odisha’s Khordha, Jharkhand’s Purbi Singhbhum and Bihar’s Muzaffarpur? It could be irresistible for a reporter, who accessed the data, to paint a larger picture based on these specific numbers. But we may not learn anything when we compare oranges and apples.

Questionable methodology


Oxfam, in the ‘Reward Work, Not Wealth’ report, used a methodology that has been questioned by many economists. Inequality is calculated on the basis of “net assets”. The economists point out that in this method, the poorest are not those living with very little resources, but young professionals who own no assets and with a high educational loan. Inequality is the elephant in the room which we cannot ignore. But Oxfam’s figures seem to mimic the huge notional loss figures put out by the Comptroller and Auditor General of India. Readers should know that Oxfam’s study has drawn its figures from disparate sources such as the Global Wealth Report by Credit Suisse, the Forbes’ billionaires list, adjusting last year’s figure using the average annual U.S. Consumer Price Index inflation rate from the U.S. Bureau of Labour Statistics, the World Bank’s household survey data, and an online survey in 10 countries.

When the World Bank announced the EoDB index last year, there was euphoria in India. However, this newspaper’s editorial “Moving up” (Nov. 2, 2017), which looked at India’s surge in the latest World Bank ranking from the 130th position to the 100th in a year, cautioned and asked the government, which has great orators in its ranks, to be a better listener. In hindsight, this position was vindicated when the World Bank’s chief economist, Paul Romer, said that he could no longer defend the integrity of changes made to the methodology and that the Bank would recalculate the national rankings of business competitiveness going back to at least four years. Readers would have appreciated the FAQ section (“Recalculating ease of doing business”, Jan. 25) that explained this controversy in some detail, had it looked at India’s ranking using the old methodology.

Lessons from the IPL Auction 2018

Suresh Menon in The Hindu

Image result for ipl auction 2018


Both Neville Cardus and C.L.R. James asked whether cricket is an art, and answered in different ways. Cardus compared cricket to music while for James it belonged alongside theatre, opera and dance. Thus, art, yes, but the performing arts, and for what happens on the field.

It is now safe to say that cricket belongs to the visual and plastic arts — painting and sculpture — but not for what happens on the field. The IPL auction has added another dimension with the question: what is the value of a player? Is he like a Jeff Koons or an M.F. Hussain?

Is Jayadev Unadkat worth ₹11.5 crores? Is Hashim Amla not worth anything at all? The comparison with art is inevitable. A painting is worth exactly what someone is prepared to pay for it. In his book The Value of Art: Money, Power, Beauty, the art dealer Michael Findlay gives a more sophisticated explanation.

“The commercial value of art,” he says, “is based on collective intentionality. Human stipulation and declaration create and sustain the commercial value.” Replace “art” with “cricketer” and that still holds. If, based on sports metrics and private algorithms, Mumbai Indians think Krunal Pandya is worth ₹8.8 crores, you cannot argue.

On a weekend when every Test-playing country was engaged in an international, the focus was on a hotel ballroom in Bangalore. You can read all kinds of meaning into this. “It will be a distraction,” South Africa’s captain Faf du Plessis had said earlier. Kamlesh Nagarkoti, at the Under-19 World Cup in New Zealand said, “I went and sat inside the washroom even as my bidding was going on.” It went on and on and didn’t stop till it had reached ₹3.2 crores.

It was possible to switch channels between the auction and the incredible Indian performance at the Johannesburg Test. Virat Kohli certainly wasn’t distracted — his ₹17 crores was already in the bank. It would be interesting to discover which event garnered the more eyeballs; that should tell us the direction the sport is taking. In The Australian, Gideon Haigh wrote a piece headlined: IPL auction now the real centre of world cricket.

A union minister tweeted that most players didn’t deserve half the amounts they were bought for. Politicians are allergic to such transparent contract negotiations. However, what he and others find difficult to deal with is the fact that the market decides value. And the market can be cruel and ageist, often casually dispensing with high-performing players of the past. It is influenced by the ego of the bidder too. Monetary value is not always the same as cricketing worth.

Part of the confusion is caused by top players going unsold. In the recent Test, Amla and Ishant Sharma put in inspiring performances, yet find themselves with no role in the IPL. The way to reconcile this is to acknowledge that IPL and Test cricket are as different from each other — tactically, physically, psychologically, emotionally — as soccer and cricket or kabaddi and tennis. They just happen to use the same equipment.

It took the franchises some time to realise this. The inaugural auction had nothing to go by and established Test players were most sought after. Royal Challengers had Rahul Dravid, Jacques Kallis, Wasim Jaffer, Shivnarine Chanderpaul. Today they would have to depend on pity-selection by friends in the franchises, if at all. Cricket has changed, the IPL most of all, and auctions, even if not fully professional yet are headed in that direction. Data is king. How good are you between overs 11 and 16, for example?

Analysts caught off guard by 41% Capita share drop

Cat Rutter Pooley in The Financial Times

There may be some red-faced analysts across the City this morning. 

Only two out of 16 analysts polled by Bloomberg had a sell rating on Capita before today, when its shares plummeted 41 per cent on a profit warning and planned £700m rights issue. 

Of the rest, 11 had a hold rating and three a buy rating. 

One of those buy recommendations came from Numis, which issued its note on the company two weeks ago. 

Then, Numis described a meeting with the new Capita chief executive as “positive”, noting that: 

 It is easy to be critical of the past, but his observations on some of the structural and cultural issues at Capita highlighted some fundamental problems, but also material opportunities. We were encouraged by [Jonathan Lewis’s] comments on the need for great focus, cost reductions (whilst also re-investing for growth), and need to focus on cash. 

Numis declined to comment immediately on whether it was reviewing the recommendation in light of the company’s update. 

Jefferies, which has also had a ‘buy’ recommendation on the stock, characterised Wednesday’s announcement as a “kitchen sinking”, or effort to cram all the bad news out at once. The revelations could generate a 40 per cent decline in earnings expectations for the full year, it said, adding that the revenue environment remained “lacklustre”. 

Shares are current trading around 210p, down 40 per cent. 

Meanwhile, the ripples from Capita’s share price drop are leaking across the outsourcing industry. Serco slipped 3 per cent, and Mitie was down 2.4 per cent at pixel time.

Monday 29 January 2018

Shashi Tharoor "Why I am a Hindu"







Rail: frustration grows with Britain’s fragmented network

Jonathan Ford and Gill Plimmer in The Financial Times

Craig Johnstone checked tickets and train doors for more than 30 years. But if the job did not change, the uniform did: five times he donned new colours bearing fresh slogans as a different company took over running the Leeds to Manchester and Carlisle service. 

“Every uniform gets a little tighter — and I can’t fit into the old ones,” he says. “They change the roles and description and then they change them back again. That’s all the rail operating companies do. It’s continuous change, but all that changes are the colours and the corporate brands.” 

Change was supposed to mean more than just a new cap and blazer when John Major’s Conservative government released its plan to split up British Rail in 1992. Then UK ministers outlined a vision of private companies bidding for franchises and bringing fresh ideas, dynamic management and innovation. 

“More competition, greater efficiency and a wider choice of services more closely tailored to what customers want,” proclaimed the 21-page white paper that drove forward a privatisation that had been too controversial even for Margaret Thatcher, his predecessor, to risk.

Two decades on, passenger numbers have more than doubled since the last year under British Rail. The UK network saw 1.7bn passenger journeys in 2016-17, against 735m in 1994-95. After decades of decline, Britain’s trains are busier than at any time since the first world war. 

But behind the numbers lies a conundrum: how much of this is due to the benefits of privatisation, rather than demographic factors such as the shift to the suburbs, increasing urban congestion and a rising population? 

Privatisation has certainly led to more train services. According to an EU study in 2013, the UK’s trains and tracks are now more intensively used than any other developed European market bar the Netherlands, and this has undoubtedly contributed to the growth in passengers. 

Investment is up too; it is running at around four times the £1.6bn a year it averaged in the late 1980s, with £925m coming from the private sector last year, mainly to fund new rolling stock. 

“Privatisation reduced the malign influence of HM Treasury which wouldn’t allow a proper investment programme,” says Lord Freud, a former banker who advised on rail privatisation. 

But it is not obvious that two decades of private ownership have led to similar advances in service quality or have made the network more financially sustainable and secure. 

“It’s very hard for people to travel around and not suffer from the cracks in the system,” says Christian Wolmar, a train historian. “It’s everything, from knowing who to buy a ticket from to the signalling failure that delays the train to the lack of information when your train is cancelled. It’s hard to know which is worse — fragmentation or privatisation — but I’d probably say fragmentation.” 

The break-up of the network is perhaps the most hotly debated legacy of the sell-off. Instead of pushing British Rail into the private sector as a single regulated monopoly akin to water or electricity, the government chose to break it into three components of track, rolling stock and train operators, and then to sell it in no less than 100 pieces between 1995 and 1997. 

This process has not made the network cheaper to operate. The cost of running the UK’s railways is 40 per cent higher than it is in the rest of Europe, according to a 2011 government report by Sir Roy McNulty, the former boss of UK aviation group Short Brothers who has long experience in transport regulation. 

“The train you catch is owned by a bank, leased to a private company, which has a franchise from the Department for Transport to run it on this track owned by Network Rail, all regulated by another office, and all paid for by taxpayers or passengers,” says John Stittle, a professor of accounting at Essex university. “The complexity is expensive.” 

Since privatisation, the bill has mainly been shared between the taxpayer and the passenger. The contribution from the state has almost doubled from £2.3bn in 1996 to £4.2bn in real terms in 2016-17, despite a conscious decision in recent years to push more of the cost on to users’ shoulders. Ticket prices have risen: they are now 25 per cent higher in real terms than in 1995 and 30 per cent higher than in France, Holland, Sweden and Switzerland. The latest average rise in fares of 3.4 per cent, announced on New Year’s Day, was greeted with outrage. 

Privatisation was supposed to unleash efficiencies that would justify the returns private operators demand for their services. So why, more than two decades in, have the UK’s railways not delivered more? 

Despite the vastly expanded usage, the network’s costs have not obviously come down relative to its income. According to the 2011 report, unit costs per passenger kilometre were roughly 20p in 2010, much the same as they were in 1996. 

One reason, suggest the critics, is that privatisation never really took root. The network’s 2,500 stations and 32,000km of tracks were initially vested in a listed company, Railtrack, which collapsed in 2001. The infrastructure has since been back in public hands under the guise of Network Rail. 

Fragmentation, meanwhile, has encouraged each part of the system to prioritise its own profits rather than collaborating to improve the system. “It’s an adversarial relationship with Network Rail,” says one director of a rail franchise. “We call them blame departments. People who sit around at Network Rail and the train companies deciding whose fault it is.” 

Indeed, the subsidies in effect insulate the operators from those extra expenses the network incurs. While it cost £4.1bn to provide maintenance and renewals work on the system in 2016-17, the train operators paid £1.5bn to access the nation’s tracks. This is half of what they paid at privatisation, even though those tracks are now far more heavily used. 

Of the parts of the sector that remain in private hands, it is the train operators that are now the subject of fiercest contention. Although the data on quality are mixed, with the UK performing better than some European countries in terms of punctuality and reliability, there is a perception that service is poor despite all the public subsidies. 

Journeys are often uncomfortable: 23 per cent of customers commuting into London at peak hours have to stand. According to the consumer group Which?, delays of at least 30 minutes afflicted more than 7m journeys last year. 

Critics argue that train operators are able to make returns, and pay themselves dividends, despite contributing very little in the way of risk capital. While operating margins of 3 per cent are not high, the train companies paid nearly all the £868m operating profits between 2012-13 and 2015/16 as dividends — £634m in the four year period. 

The train operators have few tangible assets and almost no exposure to business risk. Indeed, their franchise agreements frequently offer revenue protection should there be an economic decline or changes in London employment levels — the two biggest drivers of passenger numbers. 

What the private owners mainly deliver is marketing nous; promoting services and experimenting with timetables and branding. While more than a third of ticket prices are set by the government, they have freedom to set the remainder at levels they believe the market will bear. 

So deep is the dissatisfaction that one group of long-suffering customers who will pay up to £4,696 this year for a season ticket on the poorly performing Southern service between London and Brighton, just an hour away, created a musical dubbed “Southern Fail”. Following a series of strikes, the satirical website The Daily Mash said Southern had decided to “replace the timetable with an avant-garde poem”. 

As with other privatised monopolies, competition was supposed to ensure lower prices and sharper services. But in recent years this has faded, raising questions over the legitimacy of the franchising system. A third of train operating companies now hold their franchises by so-called “direct awards” from government, rather than auction. 

Successive governments, out of an apparent desire to keep the private sector onside, have been reluctant to wield their powers against poorly performing franchises. Only one train operator has ever been stripped of its contract — Connex for poor performance in south-east England in 2001 and 2003. Three more have walked away after overbidding for contracts, with minimum penalties. 

Last month, the government allowed Virgin Rail and Stagecoach to terminate their East Coast line franchise three years early, saving them the need to write a £2bn cheque to the government under previously agreed revenue growth forecasts. Yet with only a handful of operators bidding for franchises, the duo may end up operating the line again — on more profitable terms. 

Lord Adonis, a Labour peer who recently resigned from the National Infrastructure Commission, called the “bailout” a “scandal” that “threatens to undermine the legitimacy of the whole franchising system”. He argues that the government should keep a state-owned operating company in reserve, to demonstrate to franchisees that it can reassume their obligations if they fail. 

When National Express handed back the keys to the East Coast line franchise in 2009, it was renationalised under an arm’s-length government body called Directly Operated Railways. Nevertheless, during the following five years under state control, it increased ticket sales, returned about £1bn to the taxpayer and delivered record levels of customer satisfaction. 

The rolling stock — which is leased to the train operators for about £1.5bn a year — is still largely owned by three companies: Angel Trains, Porterbrook and Eversholt. Each is in the hands of financial investors, each with convoluted multi-tiered, overseas ownership structures, sometimes making tracing the flow of money difficult. Eversholt is owned by a Hong Kong company with a Cayman Islands subsidiary; Angel mostly by Luxembourg-based investors; and Porterbrook by another consortium of international investors. 

The Competition Commission concluded in 2009 that the rolling stock companies could have cost the taxpayer as much as £100m a year by overcharging operators on leasing rates. More recently, the government has attempted to procure some new trains directly using complex private finance initiative deals — which cuts the rolling stock companies out of the process — although that too has been criticised as poor value for money by public spending watchdogs. 

The government’s micromanagement of procurement has also slowed the pace of ordering, meaning the average age of rolling stock has almost doubled since 2008 to 21 years — roughly the same age as pre-privatisation. 

There is a growing consensus among both executives and industry experts as well as the public that Britain’s unique attempt to create competition on Britain’s rail network has not delivered. 

While it has led to more services, and encouraged more users to pay higher prices, it has not unleashed the productivity improvement necessary both to upgrade the network and stabilise the network’s finances. 

Over the same period, for instance, London’s state-owned metro network, Transport for London, has grown just as quickly and delivered much more state-of-the-art investment.  

This has brought forward calls for more chopping and changing. To deal with the problems of co-ordination and planning, Chris Grayling, the transport secretary and an advocate of private sector involvement, is pressing for formal joint ventures between private franchises and Network Rail on some routes, so that eventually operators can take more responsibility for the tracks. 

Another option — advocated by some franchise holders — is to ape the way Transport for London commissions services from the private sector, taking the revenues and responsibility for service delivery, while contracting out bus and train provision on tightly specified terms. 

Some argue there is a simple solution: reunite track and train in the only feasible manner, a return to public ownership. 

Jeremy Corbyn, the opposition Labour leader, has proposed putting the franchises back under state control as they expire and commissioning trains directly from manufacturers. An October poll by the conservative think-tank Legatum found nearly three-quarters of the UK population agreed with him. 

Labour’s critics, however, say that its plans would do little to solve the well-known failings of Network Rail. “The thing that makes me laugh is how people have forgotten how they used to hate BR,” says Lord Freud. “It was a national laughing stock.” 

As for Lord Adonis, he argues that further revolutionary change is pointless and “no simple ownership change can fix the railways”. 

But back in Carlisle, Mr Johnstone, who now works for the Northern franchise currently run by Deutsche Bahn-owned Arriva, supports a return to state control. “If you scrape the paint off, eventually you get to British Rail. But before you get to British Rail you get to the last time Arriva had the franchise about three coats in,” he adds. “If you keep painting them they won’t make it through the tunnels — there’s that many layers of paint on them.”