Yet again, the UK government has sided with the robotraders on a Robin Hood Tax

A financial transactions tax is the most economically efficient way to lessen the harm of HFT – but the government keeps fighting it.

Fifteen years ago the computer program Deep Blue made headlines around the world by beating chess giant Garry Kasparov. In the years since, computer algorithms have quietly gone on to dominate large parts of the financial markets.

Computer-driven trading now accounts for 70 per cent of trading in the US equity market, 36 per cent in the UK. Machines fire tens of thousands of trades a second, relying on state-of-the art technology and proximity to stock exchanges to shave microseconds off transaction times.

Yet tiny errors in the algorithms can have devastating consequences. During the infamous 'Flash Crash' of 2010 the Dow Jones index dropped nine per cent in a matter of minutes. Over the summer Knight Capital – a leading New York HFT (high frequency trading) firm – erroneously swamped the stock market with errant trades, wiping $440m from the firm's value.

That's why the European Parliament's powerful Economic Affairs Committee this week voted through legislation – the Markets in Financial Instruments Directive II – designed to curb HFT. A key proposal being that trades will have to be posted for at least 500 milliseconds (currently traders can execute 10,000 trades during the same period).

Proponents of HFT argue their churning sea of trades brings liquidity to the markets. The reality is more capricious - in times of crisis traders pull the plug, draining liquidity when it is needed most.

Adair Turner described such corners of financial markets as "socially useless". The Financial Times recently said “hard evidence and common sense point to a host of social benefits from removing unnecessary intermediation and curbing predatory trading strategies”, adding that in some areas Mifid II was simply too mild.

It's no surprise that high frequency traders themselves have mounted a defence against the reforms. What's of more concern is that in the days preceding the vote the UK Government lobbied for them to be watered-down. Its official response did not support the call for HFT firms to hold equities for a minimum period.

Yet as the Bureau for Investigative Journalism revealed last week, of a 31-member panel tasked by the UK Government to assess Mifid II, 22 members were from the financial services, 16 linked to the HFT industry. A study by the Bureau last year revealed that over half the funding for the Conservative Party came from the financial sector, 27 per cent coming from hedge funds, financiers and private equity firms. This perhaps helps explain how the interests of a select group of traders get confused with the interests of the economy as a whole.

It's a similar story for the Financial Transaction Tax. No longer a pipe dream, European Governments of all political hues, including its largest economies, are working towards its implementation by next year. The tax of between 0.1 - 0.01 per cent on financial transactions offers a more effective mechanism to limit market excesses by making certain speculative trades less profitable. But crucially, it is also capable of raising billions in much needed revenue that would ensure the financial sector pays it fair share for the damage caused to our economy.

Yet the UK Government has again chosen to stand apart in blocking a Europe wide-FTT, turning down billions in desperately needed revenue that could help save jobs, protect the poorest and avoid the worst in cuts to public services. Instead, advice of previous Party Treasurers Michael Spencer and Peter Cruddas was heeded, who infamously lobbied against the FTT. Both incidentally own multi-million pound financial firms which would be hit by such a tax.

Taken together, this tells the story of a post-financial crisis Europe: as governments embark on the arduous task of making markets once again work in the interests of society, the UK Government remains intoxicated by the Square Mile - protecting vested interests and relying on the same market principles that got us into this mess to get us out again. Best brace ourselves for a bumpy ride.

The EU Parliament. Photograph: Getty Images

Simon Chouffot is a spokesperson for the Robin Hood Tax campaign and writes on the role of the financial sector in our society.

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The wildfire victims of forestry neglect - and the trees that saved them

Events in Portugal show how present mismanagement of the natural world reaches far beyond climate change, while also leaving communities more vulnerable to its effects.

When guesthouse owner Liedewij Schieving first heard about the wildfire in nearby Pedrogado Grande, she wasn’t overly concerned. “We always have fires here,” she explains at her home deep in the central Portugese forest.

It was only later that night, eating outside with her 11 guests, that the fear set in: “The wind was starting to smell and the sunset looked weird and dark.” By early the next morning the vast wall of flames had breached their remote valley. “I’ve never been in a war,” Liedewij says, still shaken, “but it was how I imagine war to sound.”

Soaring to temperatures of over 800 centigrade - high enough to melt windscreens and sink tyres into tarmac - the inferno eventually burned over 30,000 hectares of forest. By the time it was quelled, 64 adults and children had lost their lives, some dying trapped in their cars as they tried to escape down an unsafe road. “The biggest tragedy of human life we have known in years,” is how the country’s Prime Minister responded to the news on 18 June.

Two months later, the Pedrogado fire has proved the precusor to another summer of extreme weather events. Across southern and central Europe recent weeks have seen high winds and low humidity whip up wildfires everywhere from Spain to Serbia. At time of writing, 2,000 people in Portugal are trapped in the town of Mação as flames and smoke block their exit. In France, fires recently forced over 20,000 people from their homes and campervans.

Climate change is an unmistakable culprit. A Carbon Brief analysis of 140 studies from around the world found that 63 per cent of extreme weather events are linked to human-caused warming - making them either more likely or more severe.

Yet as countries assess the damage, evidence of humanity’s wider mismanagement of nature is also becoming harder to ignore. In Portugal, the excessive planting of eucalytpus trees is taking some of the blame for recent events. The species is the timber of choice for the country’s powerful paper industry, covering both industry-owned plantations and hundreds of tiny private smallholdings who sell it on. But it also happens to be highly flammable: think Grenfell cladding but spread over nearly a million hectares of land.

Liedewij’s story is evidence of this. Where dense eucalyptus forest once hid her home in dappled shade, the hillside is now charred and bare. “It was terrible,” she says of the moment she opened the gates for the farm animals before fleeing the valley, “we thought we were leaving them behind to grill”. Except that, as in all good disaster films, Liedewij’s goats didn’t burn - and nor did her picturesque house. Instead, fire-retardant willow trees by a nearby stream held the flames naturally at bay. On returning the next morning, she even found the hens laying eggs.

Liedewij Schieving outside her B&B at Quinta da Fonte - the bare hills behind the house show just how close the fire came.

Seen from above, her remote farmstead is now a tiny island of green amid a sea of black. She still panics at the smell from the woodfired heating, but support has poured in from friends both in Portugal and her native Holland, and she soon plans to fully re-open Quinta da Fonte B&B. Many guesthouses in nearby villages have already got back up and running.

Others among her neighbours, however, are not so lucky. Over 10,000 separate fires have destroyed 141,000 hectares of land in Portugal this year alone, with the annual cost of wildfire losses estimated to reach around €200m. A situation that risks further perpetuating the cycle of poverty and neglect that also played their part in the tragedy.

According to Domingos Patacho from the environmental NGO Quercus, the forest has become more hazardous as many of central Portugal's thousands of smallscale landholders leave their land untended to seek better wages elsewhere. Meanwhile, those who remain are often financially dependent on the income from the eucalyptus. They could choose to plant less flammable and water-hungry species, such as native corks or oaks, Patacho explains, but these can take twice as long to mature and provide a return.

The result is rising tension between the Portugese paper industry and the central government. After the June fire, the parliament pledged to push ahead with plans to limit the monoculture plantations. But the country’s Association of the Paper industry has previously warned that any ban on new plantations could hurt exports and jobs.

The reality is that both sides of the eucalyptus spread - both industry-owned and private - need improved regulation. But in a country only recently released from EU imposed austerity measures, debates over how enforcement could be financed are particularly tense. Not least since many areas do not even have an up to date land register, Patacho expplains.

At ESAC, an agrarian research base in central Portugal, professor Antonio Ferreira believes the time is now ripe for discussion between politicians, citizens and researchers about the future of forest land-use as a whole. The country needs to encourage people “to re-introduce native species, which will diversify the landscape and economic activity in those areas,” he says.

And the impulse is far from limited to Portugal. “We need to look at all the social aspects to get the full picture as well as the scientific side of forest management,” says WWF’s Jabier Ruiz of Europe’s wider wildfire problems. One route out of the woods may be greater EU policy support for those living in marginalised, rural areas, he adds.

What is clear is that as the continent warms, the need to improve the balance between social, environmental and commercial interests becomes ever more crucial. And while politicians debate, work at Liedewij’s home is already underway. Over the next few weeks, a group of her eco-minded friends, builders and topographers will help her re-build and re-landscape her farm. From digging terraces to stop landslides, to preventing the eucalyptus from re-emerging too close to the roads, their aim is to regrow a forest that works for all: a slow-burn project perhaps, but a bright one.

India Bourke is an environment writer and editorial assistant at the New Statesman.