Are we reaching peak debt?

Photo by Avery Evans on Unsplash

As New Zealand prepares for the potential of negative interest rates in 2021, the IMF issued an unusually blunt warning in November that the world was in a “global liquidity trap” where monetary policy was having limited effect. Chief economist Gita Gopinath pointed out that low inflation and low growth has persisted despite 97 percent of the advanced economies having policy interest rates below 1 percent and one-fifth of the world with negative rates. In this situation further interest rate cuts will do little to stimulate growth and the only way forward is a coordinated global effort to focus on large government spending programmes rather than monetary stimulus.

Persistently low growth

Indebted Demand

Looking at data from a group of advanced countries* including New Zealand, they conclude that since the 1980s, economic growth, investment to GDP ratios, business productivity and inflation has all declined. Meanwhile the average real interest rate in these economies has dropped from 6 per cent to less than zero. The COVID-crisis is likely to accelerate these trends.

Mian, Straub and Sufi argue that since the Global Financial Crisis the top 1 percent have been saving at an increasing rate resulting in a huge accumulation of income and wealth. At the same time there has been an explosion in borrowing from the bottom 90 percent. This imbalance has led to a permanent transfer of wealth in the form of debt service payments from borrowers to savers, depressing demand even further.

Low interest rates had worked for a while in propping up demand, but once interest rates hit their lower bound it is impossible to encourage the bottom 90 percent to consume more. Once interest rates moves close to or below zero, the economy finds itself in a debt-driven liquidity trap which is hard to escape from.

Debt and income share in New Zealand

However New Zealand does have some of the highest levels of household debt in the world (currently 14th of the OECD countries), even before the pandemic struck. Most of this is mortgage debt due to the high cost of housing.

Data source: Bank of International Settlements
Data Source: RBNZ

Household borrowing declined slightly post 2008, but since then it has resumed its march upwards.

The 2020 pandemic and recession has only exacerbated the situation by disproportionately hitting low-income workers who tend to have less savings and more debt. All of this points to deflationary pressures which impact the debt-burdened the most.

The solutions to the liquidity-trap are tricky when there is a need to stimulate growth without sending households deeper into debt. The UK escaped a liquidity trap in the 1930s through a combination of cheap money combined with a house building boom. Mian, Straub and Sufi conclude the only solution is to redistribute funds away from the top 1 percent through things like wealth taxes, raising top marginal income tax rates and inheritance taxes. Whatever the answer, the continued imbalance of debt, saving and investment are clearly not sustainable in the long run and more radical approaches will be required to avoid a level of inequality that will ultimately affect everyone.

* The countries in the sample examined by “Indebted Demand” authors were Australia, Canada, Finland, France, Germany, Italy, Japan, New Zealand, Norway, Portugal, Spain, Sweden, United States and United Kingdom.

GDPLive is a world-first real-time GDP forecaster, which uses big data and AI to form estimates of economic activity in NZ. Go to: www.gdplive.net

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