The figure is £1.5 billion. The reason given, according to a former UK Government minister, was party politics. A major factory investment earmarked for Scotland was blocked by Labour because approving it would have meant, in the words of those inside the decision, aligning too closely with SNP priorities. The National Scot broke the story, and it lands like a stone in still water for anyone who believes industrial policy should follow economics, not electoral tactics.

The former minister's account, if accurate, describes something worth naming plainly: a UK Government using its gatekeeping power over billion-pound investments to manage its own political positioning, at the direct expense of Scottish jobs, Scottish supply chains, and Scottish communities. That is not a governance failure at the margins. It is a structural conflict of interest baked into how Westminster handles Scotland.

Scotland already makes a compelling industrial case on its own merits. According to Scottish Enterprise, the country has a globally competitive manufacturing base in life sciences, food and drink, energy technology, and advanced engineering. A £1.5bn factory, wherever it was sited, would have rippled through local supply chains, created apprenticeships, and anchored skilled employment for a generation. The economics, by any normal measure, were not the problem.

The Fraser of Allander Institute, which tracks Scottish economic performance, has consistently noted that Scotland's productivity gap with comparable northern European economies is partly a function of underinvestment in large-scale manufacturing infrastructure. Decisions like the one described here do not happen in a vacuum. They compound. Each blocked investment narrows the industrial base, reduces the anchor employers that stabilise local economies, and sends a signal to international capital that Scotland's project pipeline is subject to veto from a government 500 miles away that has different priorities.

For Edinburgh and Scottish SMEs, the implications are direct. Your supply chain, your client base, your recruitment pool, and your local economy all depend partly on major employers being present and growing. When a £1.5bn facility does not get built, the tier-two and tier-three suppliers who would have fed it do not get contracts. The engineers and tradespeople who would have trained and stayed do not materialise. Small businesses do not exist in isolation from the big industrial decisions made above them. Westminster's political arithmetic is your business problem too.

The Scottish Government has repeatedly pushed for greater economic levers, including borrowing powers and control over industrial investment decisions, precisely because situations like this one demonstrate the cost of dependency. The SNP's position that Scotland needs to control its own economic infrastructure is not abstract ideology when a former UK minister is confirming that a £1.5bn decision was made on the basis of what would or would not embarrass one party relative to another. That is the clearest argument for economic self-determination you will read this week, and it came from inside the UK Government itself.