Don't tax Amazon. Tax Amazon's shareholders

Corporations dodge tax. So go for their owners instead.

Tax avoidance is a problem which stubbornly refuses to be fixed. Even just defining our terms is problematic, with nearly every definition wide-ranging enough to cover all avoidance also including things which nobody finds objectionable.

And even if you could define it well, there's the fact that tax avoidance is, by its nature, legal. While some avoidance is truly, obviously, taking advantage of sloppy phrasing in statutes and judicial rulings, most of it exists in the grey area where it would be impossible to "tighten up" the law without also removing those deductions or exemptions which were supposed to be there in the first place. (For an example of this in action, look no further than the pasty tax debacle.)

The worst tax avoidance is undoubtedly in the corporate sector. While there are terrible examples of avoidance amongst individuals, like the New Yorker's examination of hedge-fund manager Julian Robertson's tax affairs, they are always hampered by the fact that actually offshoring personal income – the most effective form of avoidance, and the hardest to fight with the law – is tricky. People, after all, have a physical location. Some may become the infamous "non-doms", but to do that you have to spend half the year outside the country. That isn't something which can be achieved by just hiring a canny accountant.

While moralising can convince the worst corporate offenders to pay their fair share – as Starbucks finally agreed to do – it can't work every time. Some companies don't care about their image, others manage to hide their avoidance.

And so we come back to patching up the holes in the system. But with offshoring, some holes seem nearly unpatchable. For all the stirling work of campaigners like UK Uncut and Tax Research UK, the world is still no closer to agreeing on the best way to deal with multinationals which engage in creative "tax planning".

But there's one possibility: forget about them.

The reason why involves looking at the concept of tax incidence. If you accept that the only question of tax that matters is which people pay it, then corporation tax becomes a complicated issue. As a tax alters the bottom line of a company, one of two things will happen: either it will pass the costs on, or it won't. If it doesn't, then the actual people hit by the tax are the shareholders of the company, who see its profitability decline. (This is largely the intended outcome of campaigns against tax dodging.)

But if it does past the costs on, then either its customers and employees must bear the brunt, in the form of increased costs or decreased wages, or other businesses (such as suppliers or contractors) do, and the whole equation starts again.

(It is important to point out that the argument that all costs must be levied on a person at some point is not without its critics. After all, businesses have savings, assets, property and rights; who is to say that they can't be counted as people for the purpose of taxation? And the assumption at the heart of the argument is one which must be taken as faith. It's just as easy to argue, using the same logic, that the costs of all personal taxation must be borne at some point by businesses.)

Tax incidence varies business-to-business and over time. In the early 70s, when it was starting up in Washington state, Starbucks' tax incidence was almost certainly mostly upon its shareholders. Labour was expensive, coffee was a niche product, and investors in a small start-up were probably in for the long haul. Now that Starbucks has access to vast pools of low-wage labour and customers willing to pay up to $7 for a cup, it is far more likely that they will bear the brunt of much excess tax. (Although, of course, as John Elledge rightly points out, even then, it's not certain; and if there's anything we've learned from Lisa Pollack's investigation into the matter at the FT, it's that Starbucks' publicity machine holds a lot of sway within the company)

But here's the thing: if we want to tax just the shareholders of a company, we already have a way to do it. We tax dividends, and we tax capital gains. Increasing those taxes hits the people we hope would take the brunt of corporation taxes anyway.

So here's my proposal: scrap corporation tax, and whack up those two to make up the revenue gap.

There would be two big transfers inherent in this change: the first would be from shareholders in companies which pay little tax to shareholders in companies which pay a lot of tax. Since that's just another way to say "cracking down on tax avoidance", it need not upset us too much.

The other is more uncertain. By and large, international companies have international ownership. Those based in Britain with the majority of their shareholders overseas would be better off; those based overseas with the majority of their shareholders in Britain would be worse off. If the logic of the Conservatives, who have already cut corporation tax significantly, holds, we can expect that latter group to move headquarters here to take advantage of the rates; and if it doesn't, then we can expect the shareholders to sell up and buy into British companies.

There's a reason CGT and dividend taxes are so low, of course, which is to encourage investment. But since we would expect pre-tax shareholder income to go up, investment ought to still be compelling. It would just be targeted more effectively at companies which could actually make a profit, rather than those which could only make a profit if they were avoiding tax which their competitors were not.

If we can stop the biggest corporations avoiding tax, we ought to. But if trying to tax aggregations of people which can twist across country borders with ease is permanently difficult, perhaps we ought to stop trying it, and do something better instead.

Photograph: Getty Images

Alex Hern is a technology reporter for the Guardian. He was formerly staff writer at the New Statesman. You should follow Alex on Twitter.

Photo: Getty Images
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There are risks as well as opportunities ahead for George Osborne

The Chancellor is in a tight spot, but expect his political wiles to be on full display, says Spencer Thompson.

The most significant fiscal event of this parliament will take place in late November, when the Chancellor presents the spending review setting out his plans for funding government departments over the next four years. This week, across Whitehall and up and down the country, ministers, lobbyists, advocacy groups and town halls are busily finalising their pitches ahead of Friday’s deadline for submissions to the review

It is difficult to overstate the challenge faced by the Chancellor. Under his current spending forecast and planned protections for the NHS, schools, defence and international aid spending, other areas of government will need to be cut by 16.4 per cent in real terms between 2015/16 and 2019/20. Focusing on services spending outside of protected areas, the cumulative cut will reach 26.5 per cent. Despite this, the Chancellor nonetheless has significant room for manoeuvre.

Firstly, under plans unveiled at the budget, the government intends to expand capital investment significantly in both 2018-19 and 2019-20. Over the last parliament capital spending was cut by around a quarter, but between now and 2019-20 it will grow by almost 20 per cent. How this growth in spending should be distributed across departments and between investment projects should be at the heart of the spending review.

In a paper published on Monday, we highlighted three urgent priorities for any additional capital spending: re-balancing transport investment away from London and the greater South East towards the North of England, a £2bn per year boost in public spending on housebuilding, and £1bn of extra investment per year in energy efficiency improvements for fuel-poor households.

Secondly, despite the tough fiscal environment, the Chancellor has the scope to fund a range of areas of policy in dire need of extra resources. These include social care, where rising costs at a time of falling resources are set to generate a severe funding squeeze for local government, 16-19 education, where many 6th-form and FE colleges are at risk of great financial difficulty, and funding a guaranteed paid job for young people in long-term unemployment. Our paper suggests a range of options for how to put these and other areas of policy on a sustainable funding footing.

There is a political angle to this as well. The Conservatives are keen to be seen as a party representing all working people, as shown by the "blue-collar Conservatism" agenda. In addition, the spending review offers the Conservative party the opportunity to return to ‘Compassionate Conservatism’ as a going concern.  If they are truly serious about being seen in this light, this should be reflected in a social investment agenda pursued through the spending review that promotes employment and secures a future for public services outside the NHS and schools.

This will come at a cost, however. In our paper, we show how the Chancellor could fund our package of proposed policies without increasing the pain on other areas of government, while remaining consistent with the government’s fiscal rules that require him to reach a surplus on overall government borrowing by 2019-20. We do not agree that the Government needs to reach a surplus in that year. But given this target wont be scrapped ahead of the spending review, we suggest that he should target a slightly lower surplus in 2019/20 of £7bn, with the deficit the year before being £2bn higher. In addition, we propose several revenue-raising measures in line with recent government tax policy that together would unlock an additional £5bn of resource for government departments.

Make no mistake, this will be a tough settlement for government departments and for public services. But the Chancellor does have a range of options open as he plans the upcoming spending review. Expect his reputation as a highly political Chancellor to be on full display.

Spencer Thompson is economic analyst at IPPR