Five problems with the Tories' married couple's tax allowance

Including, only a third of married couples will actually gain, it discriminates against single parents and it reduces work incentives.

With Tory MPs continuing to agitate for the introduction of a married couple's tax allowance, Treasury minister David Gauke has written a letter to backbenchers reassuring them that the government "will legislate for this in this Parliament". 

The policy, as outlined in the 2010 Conservative manifesto, would allow individuals not using all of their personal tax allowance (because their income is less than the current threshold of £9,440) to transfer up to £750 of this unused allowance to their spouse or civil partner, reducing the latter's tax bill by up to £150. It would apply only to couples where the higher-income member is a basic rate taxpayer, with gains tapered away from higher earners. The proposal was included in the Tory manifesto and the coalition agreement provided the Lib Dems with the right to abstain, so Tory MPs are understandably angered by the government's tardiness. But as I show below, there are at least five good reasons why George Osborne (one of the most socially liberal MPs) shows every sign of wanting to abandon it. 

1. Only a third of married couples will​ benefit 

Despite the broad promise to "recognise marriage" in the tax system, most married couples won't gain from it. In 2010, the IFS estimated that just four million out of 12.3 million married couples would benefit (at a cost of £550m), including only 2.5 million of the 8.7 million married couples with someone in work. The remaining 1.5 million gainers are mostly married pensioners. As the IFS noted, "The policy is not, therefore, a general recognition of marriage in the tax system, as it affects only 32% of married couples and 29% of non-pensioner married couples." 

The policy could, of course, be redesigned so that all or most married couples benefit but this, not least for the fiscally conservative Osborne, would be prohibitively expensive. 

2. It discriminates against single parents, widows and widowers and more

In his recent GQ article, Andy Coulson described the perception that David Cameron does not like single parents as "electoral halitosis", but this policy unambiguously discriminates against them. Among those who also don't gain from the policy, as Don't Judge My Family notes, are widows and widowers, people who leave abusive relationships and working couples (discussed below). Is Osborne comfortable with tilting the tax system against them? In addition, if, as previously suggested, those in civil partnerships benefit from the measure, it will become even harder for the government to argue against introducing them for heterosexual couples (a policy that, unlike equal marriage, really would undermine marriage). 

3. It will reduce work incentives

Through policies such as reserving childcare support for dual-earner couples, Osborne has sought to increase work incentives, but this measure will reduce them. Since only those couples with one earner with an income above the personal allowance will benefit, it will encourage actual or potential second earners to stay at home. 

4. There's no evidence that marriage improves child outcomes

One of the main justifications for the policy is that marriage is beneficial for children. As Iain Duncan Smith has argued, "You cannot mend Britain’s broken society unless you support and value the institution which is at the heart of a stable society". But while children born to married couples have better developmental outcomes than those born to cohabiting couples, there's no evidence that this is due to marriage itself. Instead, as the IFS and others have argued, it is more likely due to the fact that better educated and higher-earning couples are more likely to get married. The right has confused correlation and cause. 

5. It will further complicate the tax system

Osborne has made much of his commitment to simplifying the tax system, but this proposal will create a new layer of complexity. To summarise, it will introduce a transferable allowance restricted to a third of married couples, capped at £750 and tapered away from higher-rate taxpayers. As the IFS points out, "Simpler ways to provide support to low- to middle income married couples would include introducing a married couples’ ‘premium’ into working tax credit and pension credit." 

David Cameron speaks with scientists before opening the Li Ka Shing Centre for Health Information and Discovery at Oxford University on May 3, 2013. Photograph: Getty Images.

George Eaton is political editor of the New Statesman.

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Cabinet audit: what does the appointment of Andrea Leadsom as Environment Secretary mean for policy?

The political and policy-based implications of the new Secretary of State for Environment, Food and Rural Affairs.

A little over a week into Andrea Leadsom’s new role as Secretary of State for Environment, Food and Rural Affairs (Defra), and senior industry figures are already questioning her credentials. A growing list of campaigners have called for her resignation, and even the Cabinet Office implied that her department's responsibilities will be downgraded.

So far, so bad.

The appointment would appear to be something of a consolation prize, coming just days after Leadsom pulled out of the Conservative leadership race and allowed Theresa May to enter No 10 unopposed.

Yet while Leadsom may have been able to twist the truth on her CV in the City, no amount of tampering will improve the agriculture-related side to her record: one barely exists. In fact, recent statements made on the subject have only added to her reputation for vacuous opinion: “It would make so much more sense if those with the big fields do the sheep, and those with the hill farms do the butterflies,” she told an audience assembled for a referendum debate. No matter the livelihoods of thousands of the UK’s hilltop sheep farmers, then? No need for butterflies outside of national parks?

Normally such a lack of experience is unsurprising. The department has gained a reputation as something of a ministerial backwater; a useful place to send problematic colleagues for some sobering time-out.

But these are not normal times.

As Brexit negotiations unfold, Defra will be central to establishing new, domestic policies for UK food and farming; sectors worth around £108bn to the economy and responsible for employing one in eight of the population.

In this context, Leadsom’s appointment seems, at best, a misguided attempt to make the architects of Brexit either live up to their promises or be seen to fail in the attempt.

At worst, May might actually think she is a good fit for the job. Leadsom’s one, water-tight credential – her commitment to opposing restraints on industry – certainly has its upsides for a Prime Minister in need of an alternative to the EU’s Common Agricultural Policy (CAP); a policy responsible for around 40 per cent the entire EU budget.

Why not leave such a daunting task in the hands of someone with an instinct for “abolishing” subsidies  thus freeing up money to spend elsewhere?

As with most things to do with the EU, CAP has some major cons and some equally compelling pros. Take the fact that 80 per cent of CAP aid is paid out to the richest 25 per cent of farmers (most of whom are either landed gentry or vast, industrialised, mega-farmers). But then offset this against the provision of vital lifelines for some of the UK’s most conscientious, local and insecure of food producers.

The NFU told the New Statesman that there are many issues in need of urgent attention; from an improved Basic Payment Scheme, to guarantees for agri-environment funding, and a commitment to the 25-year TB eradication strategy. But that they also hope, above all, “that Mrs Leadsom will champion British food and farming. Our industry has a great story to tell”.

The construction of a new domestic agricultural policy is a once-in-a-generation opportunity for Britain to truly decide where its priorities for food and environment lie, as well as to which kind of farmers (as well as which countries) it wants to delegate their delivery.

In the context of so much uncertainty and such great opportunity, Leadsom has a tough job ahead of her. And no amount of “speaking as a mother” will change that.

India Bourke is the New Statesman's editorial assistant.