Gender neutral pricing won't work in the way you think

The change that will probably change again.

From today, insurance companies can no longer charge women and men different premiums.

An instant and (widely reported) consequence of this will be a financial hit for female drivers, who will see car insurance costs rise, and for elderly men - whose pensions will get smaller.

But this state of affairs probably won't last long. With the new rule, profit margins for insurance companies will shoot up (note that womens' car insurance is going up, rather than mens' going down). This is likely to lead to insurers competing over market share, causing premiums to fall again, and probably ending up somewhere in the middle of the two original points.

Or the situation might resolve itself another way. Discriminating by gender made sense for insurers: men, on average, drive more often than women, and drive more dangerously. Women, on average, live longer.

Now that those risk factors aren't factored in, the insurance industry might simply start accounting for them in a different way - perhaps looking at how much you drive. This way they can still discriminate against male drivers - but not so explicitly. What about pensions? Well, as men are more likely to be bald, insurers could start discriminating by forehead:hair ratio, or indeed by blood testosterone levels. The point is that population risk analysis always means discrimination - and if it doesn't happen one way, it'll happen another.

Women drivers will take a hit. Photograph: Getty Images

Martha Gill writes the weekly Irrational Animals column. You can follow her on Twitter here: @Martha_Gill.

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Jeremy Corbyn fares well in his toughest interview yet

Labour will be relieved that Corbyn's encounter with Andrew Neil was less painful than Theresa May's. 

Jeremy Corbyn's half-hour BBC1 interview with Andrew Neil was the toughest grilling he has faced since becoming Labour leader. Neil sought to cause Corbyn maximum discomfort by confronting him with his past views on the IRA, NATO and Trident (which he never anticipated having to defend from his current position). 

"I didn't support the IRA, I don't support the IRA," Corbyn said in response to the first. After Neil countered that Corbyn "invited convicted IRA terrorists to tea in the Commons a few weeks after the Brighton bomb," the Labour leader replied: "I never met the IRA. I obviously did meet people from Sinn Fein" (a distinction without a difference, some will say). But after the 1998 Good Friday Agreement, Corbyn is aided by the reduced toxicity of the subject (New Labour dealt with terrorists) and the fact that for some voters, the young most of all, "the troubles" are a distant memory.

NATO, Neil recalled, had been described by Corbyn as "'a very dangerous Frankenstein of an organisation', 'a danger to world peace'. Two years ago you said it should be 'wound up'." It is to Corbyn's credit, in some respects, that he struggles to disguise his sincere views, and he did on this occasion. "NATO exists," he observed at one point, eventually conceding after much prodding: "I will be a committed member of that alliance in order to promote peace, justice, human rights and democracy". But nearly 30 years after the end of the Cold War, the subject will seem esoteric to many voters.

Trident, however, is another matter. "My views on nuclear weapons are well-known," Corbyn correctly noted, making it clear that the Labour manifesto committed to full renewal against his wishes. "I voted against the renewal," he said. "Everybody knows that because I wanted to go in a different direction." That the opposition is divided on such a profound issue - and that Corbyn's stance is at odd with the electorate's - is undoubtedly a drag on Labour's support.

But under forensic examination, Corbyn emerged stronger than many predicted. There were few moments of intemperance and no disastrous gaffes. Corbyn successfully dodged a question on whether Labour would cut immigration by replying that the numbers would "obviously reduce" if more workers were trained. Indeed, compared with Theresa May's painful encounter with Neil last Monday, Corbyn's team will be relieved by his performance. Though the Labour leader cannot escape his past, he avoided being trapped by it tonight. 

George Eaton is political editor of the New Statesman.

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