Attempting to reduce debt after First World War

In the recent blog – Post-war economic boom and reduction in debt, we saw how the UK successfully reduced national debt as a % of GDP from 230% of GDP to 30% of GDP, over a period of 40 years.

However, the story after the First World War was very different. The UK finished the First World War with similar levels of debt. However, attempts to reduce the debt burden were largely unsuccessful.

UK debt 1920s

After the war, debt continued to rise to 180% of GDP in 1923. However, debt as a percentage of GDP barely fell to 160% in the late 1920s, before a slight rise at the start of the great depression.

However, this continued high level of national debt occurred despite years of austerity and attempting to balance the budget.

1913-38-UK budget-deficit

The primary budget deficit excludes interest payments on the debt. Even including interest payments (Public sector net lending) the UK ran a balanced budget  until the late 1930s.

Yet, this balanced budget did nothing to reduce the overall debt burden.

In the early 1920s, we see a sharp change in the budget. The government pursued a tightening of fiscal policy – spending cuts and tax rises to try and balance the budget.

A failed economy

real gdp 1920s

The UK economic performance of the 1920s was very poor. The post-war recession was very deep, and it took several years of slow growth to recapture the lost output.

The poor economic performance of the UK was due to several factors

1. Fiscal austerity and the highly contractionary budgets of the early 1990s

2. Relatively high real interest rates

real interest rates

With a period of deflation in early 1920s, the real interest rate become very high – good for savers but highly damaging for those with debt.

3. Return to gold standard and an overvalued exchange rate which led to expensive exports and a decline in competitiveness.

Conclusion and parallel with Europe

The 1920s were a lost decade for the UK economy. Despite the ‘Treasury view‘ dominating about the need to balance the budget, we never saw a reduction in the debt to GDP ratio from the very high level. The problem was that fiscal austerity was combined with:

  • Tight monetary policy – high interest rates
  • Deflation – falling prices causing lower aggregate demand
  • Overvalued exchange rate, leading to a fall in exports.

If you want to reduce the ratio of debt to GDP, the UK economy in the 1920s is a perfect model of how NOT to do it.

The problem is that the UK economy in the 1920s has many parallels to the current European economy.

  • Europe is pursing fiscal austerity but is seeing a fall in real GDP
  • Inflation is dangerously low and close to deflation
  • Many Eurozone countries are still facing an overvalued exchange rate
  • Monetary policy is relatively tight, with the ECB still reluctant to offer a significant loosening of monetary policy. (see: deflationary bias of the Eurozone)

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