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Global Liquidity Trap

The FT had an excellent article back in April last year that covered many concepts which are a part of Unit 4 of the CIE A2 Economics course. It covers the liquidity trap, deflation, MV=PT, circular flow, Monetary Policy, Quantitative Easing etc.

The article focuses on the liquidity trap with Monetary Policy being the favoured policy of central banks. However by pushing rates into negative territory they are actually encouraging a deflationary environment, stronger currencies and slower growth.  The graph below shows a liquidity trap. Increases or decreases in the supply of money at an interest rate of X do not affect interest rates, as all wealth-holders believe interest rates have reached the floor. All increases in money supply are simply taken up in idle balances. Since interest rates do not alter, the level of expenditure in the economy is not affected. Hence, monetary policy in this situation is ineffective.

Liquidity Trap

Normally lower interest rates lead to:

  • savers spending more
  • capital being moved into riskier investments
  • cheaper borrowing costs for business and consumers
  • a weaker currency which encourages exports

But when interest rates go negative the speed at which money goes around the circular flow (Velocity of Circulation) slows which adds to deflationary problems. Policymakers pump more money into the circular flow to try to stimulate growth but as price fall consumer delay purchases, reducing consumption and growth.

The article concludes by saying Monetary Policy addresses cyclical economic problems, not structural ones. Click below to read the article.

The global liquidity trap turns more treacherous.

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