Selfish traits not favoured by evolution, study shows

By Melissa HogenboomScience reporter, BBC News

Evolution does not favour selfish people, according to new research.

This challenges a previous theory which suggested it was preferable to put yourself first.

Instead, it pays to be co-operative, shown in a model of "the prisoner's dilemma", a scenario of game theory - the study of strategic decision-making.

Published in Nature Communications, the team says their work shows that exhibiting only selfish traits would have made us go extinct.

Game theory involves devising "games" to simulate situations of conflict or co-operation. It allows researchers to unravel complex decision-making strategies and to establish why certain types of behaviour among individuals emerge.

Freedom or prison

A team from Michigan State University used a model of the prisoner's dilemma game, where two suspects who are interrogated in separate prison cells must decide whether or not to inform on each other.

In the model, each person is offered a deal for freedom if they inform on the other, putting their opponent in jail for six months. However, this scenario will only be played out if the opponent chooses not to inform.

If both "prisoners" choose to inform (defection) they will both get three months in prison, but if they both stay silent (co-operation) they will both only get a jail term of one month.

The eminent mathematician John Nash showed that the optimum strategy was not to co-operate in the prisoner's dilemma game.

"For many years, people have asked that if he [Nash] is right, then why do we see co-operation in the animal kingdom, in the microbial world and in humans," said lead author Christoph Adami of Michigan State University.

Mean extinction

The answer, he explained, was that communication was not previously taken into account.

"The two prisoners that are interrogated are not allowed to talk to each other. If they did they would make a pact and be free within a month. But if they were not talking to each other, the temptation would be to rat the other out.

"Being mean can give you an advantage on a short timescale but certainly not in the long run - you would go extinct."

These latest findings contradict a 2012 study where it was found that selfish people could get ahead of more co-operative partners, which would create a world full of selfish beings.

This was dubbed a "mean and selfish" strategy and depended on a participant knowing their opponent's previous decision and adapting their strategy accordingly.

Crucially, in an evolutionary environment, knowing your opponent's decision would not be advantageous for long because your opponent would evolve the same recognition mechanism to also know you, Dr Adami explained.

This is exactly what his team found, that any advantage from defecting was short-lived. They used a powerful computer model to run hundreds of thousands of games, simulating a simple exchange of actions that took previous communication into account.

"What we modelled in the computer were very general things, namely decisions between two different behaviours. We call them co-operation and defection. But in the animal world there are all kinds of behaviours that are binary, for example to flee or to fight," Dr Adami told BBC News.

"It's almost like what we had in the cold war, an arms race - but these arms races occur all the time in evolutionary biology."

Social insects

Prof Andrew Coleman of Leicester University, UK, said this new work "put a break on over-zealous interpretations" of the previous strategy, which proposed that manipulative, selfish strategies would evolve.

"Darwin himself was puzzled about the co-operation you observe in nature. He was particularly struck by social insects," he explained.

"You might think that natural selection should favour individuals that are exploitative and selfish, but in fact we now know after decades of research that this is an oversimplified view of things, particularly if you take into account the selfish gene feature of evolution.

"It's not individuals that have to survive, its genes, and genes just use individual organisms - animals or humans - as vehicles to propagate themselves."

"Selfish genes" therefore benefit from having co-operative organisms.

The 1% are the very best destroyers of wealth the world has ever seen

Our common treasury in the last 30 years has been captured by industrial psychopaths. That's why we're nearly bankrupt

• 
• • George Monbiot
  • guardian.co.uk, Monday 7 November 2011 20.30 GMT
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Illustration by Daniel Pudles

If wealth was the inevitable result of hard work and enterprise, every woman in Africa would be a millionaire. The claims that the ultra-rich 1% make for themselves – that they are possessed of unique intelligence or creativity or drive – are examples of the self-attribution fallacy. This means crediting yourself with outcomes for which you weren't responsible. Many of those who are rich today got there because they were able to capture certain jobs. This capture owes less to talent and intelligence than to a combination of the ruthless exploitation of others and accidents of birth, as such jobs are taken disproportionately by people born in certain places and into certain classes.

The findings of the psychologist Daniel Kahneman, winner of a Nobel economics prize, are devastating to the beliefs that financial high-fliers entertain about themselves. He discovered that their apparent success is a cognitive illusion. For example, he studied the results achieved by 25 wealth advisers across eight years. He found that the consistency of their performance was zero. "The results resembled what you would expect from a dice-rolling contest, not a game of skill." Those who received the biggest bonuses had simply got lucky.

Such results have been widely replicated. They show that traders and fund managers throughout Wall Street receive their massive remuneration for doing no better than would a chimpanzee flipping a coin. When Kahneman tried to point this out, they blanked him. "The illusion of skill … is deeply ingrained in their culture."

So much for the financial sector and its super-educated analysts. As for other kinds of business, you tell me. Is your boss possessed of judgment, vision and management skills superior to those of anyone else in the firm, or did he or she get there through bluff, bullshit and bullying?

In a study published by the journal Psychology, Crime and Law, Belinda Board and Katarina Fritzon tested 39 senior managers and chief executives from leading British businesses. They compared the results to the same tests on patients at Broadmoor special hospital, where people who have been convicted of serious crimes are incarcerated. On certain indicators of psychopathy, the bosses's scores either matched or exceeded those of the patients. In fact, on these criteria, they beat even the subset of patients who had been diagnosed with psychopathic personality disorders.

The psychopathic traits on which the bosses scored so highly, Board and Fritzon point out, closely resemble the characteristics that companies look for. Those who have these traits often possess great skill in flattering and manipulating powerful people. Egocentricity, a strong sense of entitlement, a readiness to exploit others and a lack of empathy and conscience are also unlikely to damage their prospects in many corporations.

In their book Snakes in Suits, Paul Babiak and Robert Hare point out that as the old corporate bureaucracies have been replaced by flexible, ever-changing structures, and as team players are deemed less valuable than competitive risk-takers, psychopathic traits are more likely to be selected and rewarded. Reading their work, it seems to me that if you have psychopathic tendencies and are born to a poor family, you're likely to go to prison. If you have psychopathic tendencies and are born to a rich family, you're likely to go to business school.

This is not to suggest that all executives are psychopaths. It is to suggest that the economy has been rewarding the wrong skills. As the bosses have shaken off the trade unions and captured both regulators and tax authorities, the distinction between the productive and rentier upper classes has broken down. Chief executives now behave like dukes, extracting from their financial estates sums out of all proportion to the work they do or the value they generate, sums that sometimes exhaust the businesses they parasitise. They are no more deserving of the share of wealth they've captured than oil sheikhs.

The rest of us are invited, by governments and by fawning interviews in the press, to subscribe to their myth of election: the belief that they are possessed of superhuman talents. The very rich are often described as wealth creators. But they have preyed on the earth's natural wealth and their workers' labour and creativity, impoverishing both people and planet. Now they have almost bankrupted us. The wealth creators of neoliberal mythology are some of the most effective wealth destroyers the world has ever seen.

What has happened over the past 30 years is the capture of the world's common treasury by a handful of people, assisted by neoliberal policies which were first imposed on rich nations by Margaret Thatcher and Ronald Reagan. I am now going to bombard you with figures. I'm sorry about that, but these numbers need to be tattooed on our minds. Between 1947 and 1979, productivity in the US rose by 119%, while the income of the bottom fifth of the population rose by 122%. But from 1979 to 2009, productivity rose by 80%, while the income of the bottom fifth fell by 4%. In roughly the same period, the income of the top 1% rose by 270%.

In the UK, the money earned by the poorest tenth fell by 12% between 1999 and 2009, while the money made by the richest 10th rose by 37%. The Gini coefficient, which measures income inequality, climbed in this country from 26 in 1979 to 40 in 2009.

In his book The Haves and the Have Nots, Branko Milanovic tries to discover who was the richest person who has ever lived. Beginning with the loaded Roman triumvir Marcus Crassus, he measures wealth according to the quantity of his compatriots' labour a rich man could buy. It appears that the richest man to have lived in the past 2,000 years is alive today. Carlos Slim could buy the labour of 440,000 average Mexicans. This makes him 14 times as rich as Crassus, nine times as rich as Carnegie and four times as rich as Rockefeller.

Until recently, we were mesmerised by the bosses' self-attribution. Their acolytes, in academia, the media, thinktanks and government, created an extensive infrastructure of junk economics and flattery to justify their seizure of other people's wealth. So immersed in this nonsense did we become that we seldom challenged its veracity.

This is now changing. On Sunday evening I witnessed a remarkable thing: a debate on the steps of St Paul's Cathedral between Stuart Fraser, chairman of the Corporation of the City of London, another official from the corporation, the turbulent priest Father William Taylor, John Christensen of the Tax Justice Network and the people of Occupy London. It had something of the flavour of the Putney debates of 1647. For the first time in decades – and all credit to the corporation officials for turning up – financial power was obliged to answer directly to the people.
It felt like history being made. The undeserving rich are now in the frame, and the rest of us want our money back.

UK's secret policy on torture revealed

Document shows intelligence officers instructed to weigh importance of information sought against pain inflicted

• Ian Cobain
• guardian.co.uk, Thursday 4 August 2011 12.42 BST
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A number of men said they were questioned by MI5 and MI6 officers after being tortured at Guantánamo Bay. Photograph: Mark Wilson/Getty Images
A top-secret document revealing how MI6 and MI5 officers were allowed to extract information from prisoners being illegally tortured overseas has been seen by the Guardian. The interrogation policy – details of which are believed to be too sensitive to be publicly released at the government inquiry into the UK's role in torture and rendition – instructed senior intelligence officers to weigh the importance of the information being sought against the amount of pain they expected a prisoner to suffer. It was operated by the British government for almost a decade. A copy of the secret policy showed senior intelligence officers and ministers feared the British public could be at greater risk of a terrorist attack if Islamists became aware of its existence. One section states: "If the possibility exists that information will be or has been obtained through the mistreatment of detainees, the negative consequences may include any potential adverse effects on national security if the fact of the agency seeking or accepting information in those circumstances were to be publicly revealed. "For instance, it is possible that in some circumstances such a revelation could result in further radicalisation, leading to an increase in the threat from terrorism." The policy adds that such a disclosure "could result in damage to the reputation of the agencies", and that this could undermine their effectiveness. The fact that the interrogation policy document and other similar papers may not be made public during the inquiry into British complicity in torture and rendition has led to human rights groups and lawyers refusing to give evidence or attend any meetings with the inquiry team because it does not have "credibility or transparency". The decision by 10 groups – including Liberty, Reprieve and Amnesty International – follows the publication of the inquiry's protocols, which show the final decision on whether material uncovered by the inquiry, led by Sir Peter Gibson, can be made public will rest with the cabinet secretary. The inquiry will begin after a police investigation into torture allegations has been completed. Some have criticised the appointment of Gibson, a retired judge, to head the inquiry because he previously served as the intelligence services commissioner, overseeing government ministers' use of a controversial power that permits them to "disapply" UK criminal and civil law in order to offer a degree of protection to British intelligence officers committing crimes overseas. The government denies there is a conflict of interest. The protocols also stated that former detainees and their lawyers will not be able to question intelligence officials and that all evidence from current or former members of the security and intelligence agencies, below the level of head, will be heard in private. The document seen by the Guardian shows how the secret interrogation policy operated until it was rewritten on the orders of the coalition government last July. It also: • Acknowledged that MI5 and MI6 officers could be in breach of both UK and international law by asking for information from prisoners held by overseas agencies known to use torture. • Explained the need to obtain political cover for any potentially criminal act by consulting ministers beforehand. The secret interrogation policy was first passed to MI5 and MI6 officers in Afghanistan in January 2002 to enable them to continue questioning prisoners whom they knew were being mistreated by members of the US military. It was amended slightly later that year before being rewritten and expanded in 2004 after it became apparent that a significant number of British Muslims, radicalised by the invasion of Iraq, were planning attacks against the UK. The policy was amended again in July 2006 during an investigation of a suspected plot to bring down airliners over the Atlantic. Entitled "Agency policy on liaison with overseas security and intelligence services in relation to detainees who may be subject to mistreatment", it was given to intelligence officers handing over questions to be put to detainees. Separate policy documents were issued for related matters, including intelligence officers conducting face-to-face interrogations. The document set out the international and domestic law on torture, and explained that MI5 and MI6 do not "participate in, encourage or condone" either torture or inhuman or degrading treatment. Intelligence officers were instructed not to carry out any action "which it is known" would result in torture. However, they could proceed when they foresaw "a real possibility their actions will result in an individual's mistreatment" as long as they first sought assurances from the overseas agency. Even when such assurances were judged to be worthless, officers could be given permission to proceed despite the real possibility that they would committing a crime and that a prisoner or prisoners would be tortured. "When, not withstanding any caveats or prior assurances, there is still considered to be a real possibility of mistreatment and therefore there is considered to be a risk that the agencies' actions could be judged to be unlawful, the actions may not be taken without authority at a senior level. In some cases, ministers may need to be consulted," the document said. In deciding whether to give permission, senior MI5 and MI6 management "will balance the risk of mistreatment and the risk that the officer's actions could be judged to be unlawful against the need for the proposed action". At this point, "the operational imperative for the proposed action, such as if the action involves passing or obtaining life-saving intelligence" would be weighed against "the level of mistreatment anticipated and how likely those consequences are". Ministers may be consulted over "particularly difficult cases", with the process of consulting being "designed to ensure that appropriate visibility and consideration of the risk of unlawful actions takes place". All such operations must remain completely secret or they could put UK interests and British lives at risk. Disclosure of the contents of the document appears to help explain the high degree of sensitivity shown by ministers and former ministers after the Guardian became aware of its existence two years ago. Tony Blair evaded a series of questions over the role he played in authorising changes to the instructions in 2004, while the former home secretary David Blunkett maintained it was potentially libellous even to ask him questions about the matter. As foreign secretary, David Miliband told MPs the secret policy could never be made public as "nothing we publish must give succour to our enemies". Blair, Blunkett and the former foreign secretary Jack Straw also declined to say whether or not they were aware that the instructions had led to a number of people being tortured. The head of MI5, Jonathan Evans, said that, in the post 9/11 world, his officers would be derelict in their duty if they did not work with intelligence agencies in countries with poor human rights records, while his opposite number at MI6, Sir John Sawers, spoke of the "real, constant, operational dilemmas" involved in such relationships. Others, however, are questioning whether – in the words of Ken Macdonald, a former director of public prosecutions, "Tony Blair's government was guilty of developing something close to a criminal policy". The Intelligence and Security Committee, the group of parliamentarians appointed by the prime minister to assist with the oversight of the UK's intelligence agencies, is known to have examined the document while sitting in secret, but it is unclear what – if any – suggestions or complaints it made. Paul Murphy, the Labour MP and former minister who chaired the committee in 2006, declined to answer questions about the matter. A number of men, mostly British Muslims, have complained that they were questioned by MI5 and MI6 officers after being tortured by overseas intelligence officials in Pakistan, Bangladesh, Afghanistan and Guantánamo Bay. Some are known to have been detained at the suggestion of British intelligence officers. Others say they were tortured in places such as Egypt, Dubai, Morocco and Syria, while being interrogated on the basis of information that could only have been supplied by the UK. A number were subsequently convicted of serious terrorism offences or subjected to control orders. Others returned to the UK and, after treatment, resumed their lives. One is a businessman in Yorkshire, another a software designer living in Berkshire, and a third is a doctor practising on the south coast of England. Some have brought civil proceedings against the British government, and a number have received compensation in out-of-court settlements, but others remain too scared to take legal action. Scotland Yard has examined the possibility that one officer from MI5 and a second from MI6 committed criminal offences while extracting information from detainees overseas, and detectives are now conducting what is described as a "wider investigation into other potential criminal conduct". A new set of instructions was drafted after last year's election, published on the orders of David Cameron, on the grounds that the coalition was "determined to resolve the problems of the past" and wished to give "greater clarity about what is and what is not acceptable in the future". Human rights groups pointed to what they said were serious loopholes that could permit MI5 and MI6 officers to remain involved in the torture of prisoners overseas. Last week, the high court heard a challenge to the legality of the new instructions, brought by the Equality and Human Rights Commission. Judgment is expected later in the year.

• guardian.co.uk © Guardian News and Media Limited 2011