The OBR is wrong: we can afford to look after the elderly as this century progresses, but they need to adapt their economic models to reflect what the reality of doing so means for us all

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In amongst yesterday's excitement, a new report from the Office for Budget Responsibility was rather overlooked yesterday. As The Guardian said of it:

Britain's public finances are on an “unsustainable” long-term path with a debt burden that could more than treble without further tax rises to cover the mounting cost of an ageing population and falling fuel duties, the Treasury's independent forecaster has warned.

The Office for Budget Responsibility said that if economic shocks continue to hit the public finances, debt is on course to reach almost 320% of annual national income (GDP) in 50 years' time – up from 96% now – unless successive governments raise revenues to offset rising costs.

The favoured chart was this:

The claim by the OBR is that:

[E]mergent geopolitical and energy risks .... need to be managed in the context of a set of longer-term demographic, environmental, and other structural pressures on the public finances. These are the largest, and most certain, threats to long-term fiscal sustainability – with every assessment we have published over the past decade having shown debt on an unsustainable path over the next 50 years as a result of these pressures.

It must be frustrating working at the OBR, when it is apparent that every warning they have given has been ignored. But then, their projections are profoundly uncertain, as a simple comparison of these charts shows:

Even in the short term the OBR has no clue what might happen to inflation, and the possibility that it might disappear quite soon is real, although the Bank of England clearly does not believe that. It is unsurprising that the Office for Budget Responsibility is ignored.

Let me, however, suggest another reason for that. Let me suggest that the reason why the IBR is ignored is that they are wrong. I am not saying that supposed debt of the level noted will not exist: it might well do so. But they are wrong that this is unsustainable.

The basis of their claim that debt will rise to unsustainable levels is based on three assumptions. The first is that the population will fall from 2044. The decline will be modest, but real. The second is that fiscal sustainability depends on the age structure of the population. The third is that although people will not live as long, thanks to Covid, the reduction in migration will reduce the number of people to look after an ageing population, and although there will be fewer children the shift in dependency will overall be expensive as the number of elderly people in the population rises:

The OBR thinks that we cannot afford these old people. It most especially thinks we cannot do so when the tax revenue from oil-based taxation is going to fall because of net-zero moves and they see no replacement tax arising.

I think the Office for Budget Responsibility are victims of their own failed dogmatic imaginations. They are suffering from three quite fundamental failings. The first is to assume that tax pays for government spending. It does not. Government money creation does. Second, they believe that what they call government borrowing is funded from surpluses generated in private sector economic activity when it is not: all that happens when the government supposedly borrows is that it provides a safe place of deposit for the funds that the government has already created and spent into the economy to pay for its expenditure in excess of the taxes it has charged. In other words, it simply offers the opportunity for people who are in ultimate receipt of that spending in excess of tax revenues to save it with the government. And third, most savers are elderly.

Now let's imagine that come 2035 and afterwards, as the age dependency ratio rises, the population as a whole will not be willing to take their grandparents outside and shoot them, or leave them shivering at home to die, en masse, which is what is implied by the OBR term that the debt is unsustainable and so must be cut, which would not be possible without culling those who are getting older at the time. Instead, let's imagine that people do care: it's really not hard to do. And then let's assume that to care for the elderly there will be incentives provided for people to make provision for them - including better pay and work conditions for those doing so instead of the shoddy terms offered now. Or maybe, heaven forbid, we might become more enlightened about migration. But in either case let's assume that the maxim that we can afford whatever we can do, and that we will as a matter of fact look after the elderly as something we can do, and in that case let's assume that the OBR is wrong and instead note that the only impediment to achieving these care goals is their assumption that the only way to fund government spending is from taxation, which is utter nonsense.

They assume G = T, where G is government spending and T is tax revenue.

This is. not true. In reality, G = T + ∆B + ∆M where B is borrowing and ∆ is the change in it in a period and M is the amount of government-created money in circulation and ∆, again, is the change in M in a period. In other words, government spending is funded by government-created money, tax and the amount of government-created money that is returned to the government to be placed on deposit during the course of a period, to get the sequencing right since government money creation always starts this process, as a matter of fact.

Now let's notice two things. The first is that the elderly save, and an ageing population will have a much higher savings ratio than at present. And second, let's notice that by then the elderly will have realised that existing savings mechanisms are useless for their purposes, with the stock exchange, in particular, having fallen out of fashion as net-zero shows how incompetent business is at managing real risk. In that case the much increased resulting savings ratios will result in considerably increased demand for government-based savings accounts. That fact and the increased level of government money creation that tending for an elderly population will require will create a virtuous circle. The supposed government borrowing requirement will have to exist to simply meet the need for a place for the elderly to save what is being spent on them.  And the elderly will, in fact, fund themselves as a result, precisely because they will not consume all that is spent on them.

The supposedly unsustainable borrowing that the OBR forecasts is not unsustainable at all. When viewed as a deposit-taking activity (which is what it is) the increase in supposed borrowing matches the changing demographic that will demand that such a borrowing (or deposit-taking) facility exists. And the cost of supporting the elderly is entirely sustainable as a result.

The Office for Budget Responsibility fails because it is constrained by its own dogmatic thinking. It is time it did better.


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