Financial Stability Hypothesis - How Negative Interest Rates Can Contribute To A Stable Financial System

Independent Researcher & Writer
September 18, 2019

The financial crisis of 2008 brought a renewed interest in Minsky's Financial Instability Hypothesis. It states that capitalist economies are inherently unstable due to the inner workings of the financial system.1 Minsky ignored interest as the underlying cause of financial instability and proposed that the government should manage the problem.

It is seen as a key public interest that the economy doesn’t suffer from financial instability in the private sector. Only, managing that problem can cause moral hazard leading to private gains backed by public losses as it requires that governments and central banks stand behind the financial system.

Financial instability is primarily caused by leverage and interest on debts. Incomes vary while interest payments are fixed.2 In an economic downturn this can easily escalate into a financial crisis as financial institutions are even more leveraged than other corporations. A possible benefit of negative interest rates is therefore financial stability.

It may be time to introduce the Financial Stability Hypothesis. It states that once interest rates are negative and positive interest rates are not allowed, a set of stabilising mechanisms can kick in that make the capitalist economy inherently stable. As a result governments and central banks may have fewer reasons to interfere so that fiscal and monetary policies may become obsolete.

Minsky argued that when the economy is doing fine, market participants become optimistic and complacent so that leverage and risk in the financial system increase. When the economy slows down, defaults on debts and interest payments can escalate into a financial crisis.1

But what would happen when interest rates are always negative and positive interest rates on money and debts are not allowed? The economy could become inherently stable because of the following stabilising mechanisms.

  • When interest rates on debts are capped to zero, equity investments become relatively more attractive compared to debt investments so financial leverage is likely to reduce.
  • Interest is also a reward for risk so capping interest rates on debts to zero can reduce high risk debt in the financial system. Risky ventures may need to be financed with equity rather than debt.
  • Consumer debt may be constrained as usurious lending like credit card debt will be phased out. This can stabilise and increase consumer spending as consumers don't pay interest any more.
  • Negative interest rates require trust in the currency and debtors. There could be an incentive for governments to have their finances in order. This isn't austerity as governments receive interest on their debts.
  • If inflation rises, interest rates go up and there would be less credit at a maximum interest rate of zero. The amount of money in circulation would henceforth be constrained and inflation would be capped.
  • In case of deflation, interest rates go deeper into negative territory. This is likely to cause a stimulus so that the economy improves and deflation can be halted.

Negative interest rates and a ban on positive interest rates on money and debts might stabilise and improve a debt-burdened economy. Inflation is expected to be low and there could even be deflation. It also appears that governments and central banks don't have to play an active role in managing the economy using fiscal and monetary policies.

The key to making a usury-free financial system feasible is accepting that not every demand for a loan needs to be satisfied, most notably the demand for loans that harm people or can destabilise the financial system, and that in order to constrain inflation loan demands must be discarded rather than fulfilled at a higher interest rate.

What a usury-free financial system might look like, and what challenges may lie ahead, is discussed the paper Feasibility Of Interest-free Demurrage Currency that can be found via the link below:

1.Stabilizing an Unstable Economy. Hyman Philip Minsky (1986). Yale University Press.
2.The End of Usury. Bart klein Ikink (2019).


Bart Klein Ikink

Bart Klein Ikink is an independent researcher living the Netherlands. In 2008 he discovered that demurrage currency combined with a ban on charging interest could improve the economy. This design is called Natural Money, named after the Natural Economic Order of Silvio Gesell. If this is correct then Natural Money will be the money of the future.

After receiving his Masters in Business Information Technology at the University of Twente in 1992, Bart took up interest in interest-free money with a holding tax. Over the years I have discussed these ideas on financial message boards and took keen interest in the arguments of people opposing such an idea. Feasibility is the main angle of my research.  Bart Klein Ikink’s website is

The Federal Reserve Bank of New York holds the world's largest accumulation of monetary gold.

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