Severity 5 — Catastrophic💰 economy2010

Austerity — £30bn in Cuts Built on a Spreadsheet Error

The coalition government justified sweeping public spending cuts using the Reinhart-Rogoff paper "Growth in a Time of Debt", which claimed economies with debt-to-GDP ratios above 90% suffer dramatically. The paper was later found to contain a fundamental Excel error. By that point, a decade of cuts had hollowed out public services, councils, and the welfare state.

David Cameron — Conservative-Liberal Democrat Coalition

In power 2010–2015

What happened

The Reinhart-Rogoff paper (2010) claimed that countries with public debt above 90% of GDP experienced average GDP growth of -0.1%. It was cited by Cameron, Osborne, and Clegg repeatedly to justify austerity as economically necessary.

In 2013, a graduate student at UMass Amherst found that the paper contained a spreadsheet error that excluded several rows of data. When corrected, the average growth rate for high-debt countries was 2.2% — not -0.1%. The 'cliff edge' that justified austerity didn't exist.

By 2013, an estimated 130,000 preventable deaths had been linked to welfare cuts by British Medical Journal research. Local councils lost 40–60% of their funding. Libraries, youth services, legal aid, housing benefit, disability support — all were systematically dismantled on the basis of an ideology looking for academic cover.

The true fiscal position was also misrepresented. The UK never had a structural deficit emergency comparable to Greece. The government was borrowing at near-zero interest rates and could have chosen stimulus rather than contraction — as the IMF and most economists now agree was the correct response.

⚠️ What this enabled

Reform UK's flat-tax and spending cut proposals would dwarf Osborne-era austerity Active threat

Reform UK's 2024 economic programme — a flat income tax, zero-rate corporation tax, and sweeping cuts to "waste" — has been independently assessed as requiring public spending cuts larger than those implemented under George Osborne between 2010–2016. The Resolution Foundation estimated the spending gap in Reform's plans at over £90 billion. The Institute for Fiscal Studies found their numbers did not add up. Austerity under the Conservatives reduced life expectancy growth for the first time in a century; a Reform programme of this scale would be structurally more severe.

The austerity of 2010–2019 was sold as a short-term necessity. It lasted a decade, produced the slowest recovery from recession of any major economy, and left public services — the NHS, social care, local government — structurally underfunded. Reform's economic platform is austerity ideology taken to its logical extreme, without the constraint of having to manage an actual government or account for the math.

Resolution Foundation — Analysis of Reform UK Fiscal Plans

Source

BMJ — Austerity and Health

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