The Economist has produced a more sophisticated set of…

““The Economist has produced a more sophisticated set of ‘back-of-the-envelope’ estimates in an interactive basic income calculator for all OECD countries.4 This purports to show how much could be paid as a basic income by switching spending on non-health transfers, leaving tax revenues and other public spending unchanged. Interestingly, even on this very restrictive basis, a cluster of seven west European countries could already pay over $10,000 per person per year. The United States could pay $6,300 and Britain $5,800. Obviously, for most countries, the level of basic income that could be financed from this tax-neutral welfare-switching exercise would be modest – though, especially for bottom-ranked countries such as South Korea ($2,200) or Mexico (only $900), this largely reflects their current low tax take and welfare spending. The Economist’s interactive calculator also aims to calculate what tax rises would be needed to pay a basic income of a given amount. For the UK, the calculator estimates that the cost of a basic income of one-third average GDP per head would require a 15 percentage point rise in tax take. Its calculations can again be questioned in their own terms. However, all these back-of-the-envelope exercises are flawed in more fundamental ways. First, they do not allow for clawing the basic income back in tax from higher-income earners, which could be done with no net cost to the affluent or to the Exchequer, simply by tweaking tax rates and allowances so that the extra tax take equals the basic income paid. Second, they do not take account of administrative savings from removal of means testing and behaviour conditions. Administration accounted for £8 billion of the £172 billion 2013–14 budget of the UK’s Department of Work and Pensions, much of which will have gone to pay staff in local job centres to monitor and sanction benefit recipients. This does not include hundreds of millions of pounds paid to private contractors to carry out so-called ‘work assessment’ tests on people with disabilities, which have led to denial of benefits to some of society’s most vulnerable people. Third, they compare the cost of a basic income with the existing welfare budget and assume that all other areas of public spending remain intact. Yet governments can always choose to realign spending priorities. The UK government could save billions by scrapping the plan to replace the Trident nuclear missile system, now estimated to cost more than £200 billion over its lifetime. It could save further billions by ending subsidies that go predominantly to corporations and the affluent.””

— Guy Standing