GDP Catches the Bruise

One of the mistakes in discussing Brexit is that we keep arguing about it as if it were only a trade policy.

Even that argument is now largely settled, except among the true believers, for whom evidence is just something to be driven round on the way to the next slogan. The OBR, most serious economic analysis, and the lived experience of exporters all point in the same direction: putting new barriers between yourself and your nearest major market reduces trade, investment, productivity and therefore tax revenues. That is not a Remainer mood swing. It is basic economic gravity.

Nor is it answered by saying Britain’s GDP has grown since Brexit, which has become the Leavers’ favourite last bastion of defence, usually delivered as if read from a Reform briefing sheet. This is unwise. Reform briefing sheets are not evidence; they are often evidence-shaped objects. The comparison is wrong. Growth after a shock does not prove the shock did no damage. If you take a substantial hit to trade, investment and productivity, later growth does not erase the loss. It may simply mean you are climbing from a lower ledge.

Leavers often try to set sovereignty against GDP growth, as if a rising GDP proves the price was worth paying. But sovereignty has to be measured against the loss caused by the decision, not against the fact that time has continued to pass. The relevant test is not “are we richer than in 2016?” It is “are we richer than we would have been?” On the available evidence, the answer is no.

And that’s before we get to the more awkward point, which is that sovereignty itself is not a magic object. It’s not a ceremonial mace kept in a glass case. It’s the practical ability to act effectively in the real world. If you gain the formal right to make more decisions alone, but lose influence over the systems that shape your trade, research, energy, data, security and regulation, then the gain is not quite as magnificent as the brochure suggested.

And even that still leaves out the deeper injury.

Brexit also weakened some of the less visible systems that sit behind a modern country: research collaboration, medicines supply, clinical trials, university networks, student exchange, policing, data, energy co-operation, professional mobility, regulation and cultural exchange. These don’t always appear neatly in GDP, but they matter enormously.

A delayed research partnership doesn’t turn up on the evening news as a national crisis. Nor does a lost place in a European research consortium. Nor does a clinical trial that quietly goes somewhere else. Nor does a medicines shortage that results in pharmacists ringing round suppliers while patients wait. Nor does the slow loss of influence over the rules governing AI, digital platforms, data and competition.

Yet these are real losses.

Britain rejoining Horizon Europe was welcome, but it rather gave the game away. If being part of European research networks didn’t matter, there’d have been no need to spend years trying to repair the damage. Science is not just a grant cheque. It is trust, habit, shared infrastructure, doctoral networks, clinical expertise and people knowing who to ring.

The same applies to health. Brexit didn’t single-handedly cause medicines shortages, because the world is rarely that obliging to tidy arguments. But it did make Britain more separate from European supply chains and co-ordination at the very moment when resilience mattered. If a patient can’t get an epilepsy drug, the problem is not less real because it fails to sit politely inside a GDP table.

There is an even sharper irony on asylum and small boats.

One of the practical systems Britain lost after Brexit was the Dublin Regulation. It was not a magic answer, and it didn’t allow Britain simply to bundle every Channel arrival back to France before tea. But it did provide a recognised mechanism for returning some asylum seekers to EU countries responsible for their claims. After Brexit, that route largely disappeared, and Britain was left trying to rebuild partial bilateral arrangements from outside the club.

Which is quite something, when one remembers who now complains most loudly about small boats. Some of the very people who demanded Brexit helped remove one of the legal mechanisms Britain had for dealing with asylum claims linked to other European countries. They then looked at the result and blamed everyone except the policy they voted for. This is rather like sawing the handle off a spanner and then complaining that no one can undo the nut.

Regulation is another one.

Brexit was sold as taking back control, but control is not just the legal right to write your own rules. It is the practical power to make other people obey them. Britain can still regulate Big Tech, AI companies and digital platforms. Of course it can. But it now does so as a medium-sized country facing corporations with colossal money, legal departments the size of small villages, and a touching belief that democracy is best when it doesn’t inconvenience them.

Inside the EU, Britain was part of a regulatory bloc big enough to make those companies take notice. Outside it, we still have sovereignty, but rather less leverage. That is a trade-off, not a conspiracy.

You can see the pattern by now. Brexit gave Britain more formal autonomy in some areas, but less weight where weight actually matters. Less scale in regulation. Less embedded influence. More friction. More duplication. More time spent rebuilding partial versions of arrangements we used to be inside.

That does not mean the EU is perfect. It can be slow, bureaucratic, pompous and quite capable of producing a document that looks as if it has been translated from Flemish into committee. But the central point remains: in a world of giant markets, giant companies, giant research programmes, giant security risks and giant energy systems, scale matters.

Brexit’s defenders often say Britain is now free to make its own choices. In one sense, that is true. But freedom to act alone is not the same as power. A man standing by himself in a field is also free. It doesn’t follow that the tractor will negotiate with him.

Yes, Brexit damaged trade. That argument should now be regarded as settled by anyone not treating 2016 as a sacred text. But it also damaged the connective tissue of the country. It made us poorer in the visible sense, and thinner in the institutional sense. Less plugged in. Less influential. Less able to share risk, return responsibility, shape rules or act with weight.

GDP catches the bruise.

It doesn’t capture the whole injury.