The budget will be Newtonian, at cost to us all

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The FT has reported this morning:

The fiscal fate of Sir Keir Starmer's government rests on a decision by a group of largely anonymous civil servants about an economic variable that the UK is finding harder than ever to measure and fiendishly difficult to forecast.

The scale of the hole in the public finances — to be spelled out in the Budget on November 26 — will be heavily influenced by judgments from the Office for Budget Responsibility about productivity.

Economists, who have long accused the fiscal watchdog of being too optimistic, predict that the OBR will downgrade its productivity forecast at the Budget. If it does, chancellor Rachel Reeves will be forced into steep tax rises.

This is absurd. It is not reality that will dictate the budget. Nor will need. It won't even be possibility. And actual resources available to be used won't come into the equation. Only guesswork will. We will get austerity (almost inevitably) because some almost unknown people think that the economy is weak, and rather than do anything about it, they would prefer to dictate policy that punishes us in the present so that the economic downside that they think might happen in the future will, for certain, be delivered.

As I have explained in my quantum economics series, turning the future into the present in a deterministic way, as Newtonian economic thinking does, is the issue here. The pretence (and it is no more than that) that these people know what is happening will dictate what happens now, even though in reality the future is not deterministic, but is uncertain, or to put it another way, unknown.

What we need instead, as I noted yesterday, is economic thinking that (and I have edited this slightly):

  1. Aims for robustness, but not precision. Instead of aiming for precise fiscal targets, policy should be designed to work under a range of scenarios. It is better to be roughly right than precisely wrong.

  2. Emphasises the importance of automatic stabilisers. This would mean strengthening benefits, emphasising progressive taxes, and public investment that expands when the economy weakens and contracts when it strengthens. These adjust automatically, without relying on forecasts.

  3. Focuses on flexibility. Budgets should be allowed to change as reality unfolds. This means that rigid fiscal rules should be scrapped and that plans must adapt.

  4. Highlights resilience. Investment should be made in systems that can withstand shocks: renewable energy, public health, and social safety nets. If the future is unknowable (and it is), it is essential to build key strengths in areas where need is known rather than gamble on forecasts.

This is what good economic policy will look like. Instead, Rachel Reeves will gamble our well-being on the opinions of a bunch of (no doubt) Oxford PPEs, like her, whose opinions are entirely predictable and almost certainly antisocial, or they would not be in the jobs that they have.

I make the point for good reason. I am not discussing quantum thinking as applied to economics in the abstract: I am doing so to suggest real change.


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