Home > Exchange Rates, Financial Markets, Interest Rates > What to do about an overvalued exchange rate?

What to do about an overvalued exchange rate?

February 27, 2013 Leave a comment Go to comments

There has been numerous mentions in the media about the need to reduce the strength of the NZ$. RBNZ Governor Graeme Wheeler outlined some of these in a recent speech. He identified the following policy responses:

1. Lowering Interest Rates

By lower interest rates you may reduce pressure on the exchange rate as long as the new rate is uncompetitive to those in other countries. However a one-off reduction in the interest rate which conflicts wtih the policy of the central bank’s inflation target could lead to expectations of a subsequent reversal. Examples of when it hasn’t work:

Australia – since the end of 2010 RBA cut its official cash rate by 1.75% – no significant impact on the AUS$.
Japan – on the other hand the Yen actually appreicated by over 30% between February 2007 and November 2012 when the interest rates was lowered to 0 – 0.1%.
Switzerland – The Swiss Franc appreciated by 20% between Jan 2010 – July 2011 despite interest rates being lowered between 0 – 0.75%

2. Intervening in the Foreign Exchange Market

The RBNZ have 4 criteria it uses to decide whether to intervene in the foreign exchange market.
1. Is the exchange rate at an exceptional level?
2. Is its value justified?
3. Is intervention justified with current monetary policy?
4. Are market conditions conducive to achieving the desired outcome?

Global exchange rate turnover is between US$4 -5 trillion per day and it is estimated that the NZ$ is the 10th most traded currency in the world. The RBNZ has indicated that it is prepared to intervene but can only attempt to smooth the peaks of the US$ – NZ$ exchange rate.

3. Quantitative Easing – printing money.

This has been adopted by the US central bank in response to teh global financial crisis. However New Zealand was not exposed to risky investments to the extent that other countries were. New Zealand’s challenges are different from those in the US, Euro zone etc. The printing of more money would put upward pressure on inflation, especially asset prices, and ultimately lead to higher interest rates.

4. Cap the exchange rate – the Swiss experience

The Swiss National Bank spent had some success in capping the Swiss franc to the Euro – SFr 1.2 – 1 euro. This woud be very risky for New Zealand – Swiss lost approximately
NZ$35bn in the process. New Zealand would need to intervene to the same extent and the interest rates would need to drop to 0% also. The capping would amount to quantitative easing which with 0% interest rates would be inflationary.

Graeme Wheeler finished up by saying:

The New Zealand economy currently faces an overvalued exchange rate and overheating house prices in parts of the country, especially Auckland. The Reserve Bank will be consulting with the financial sector next month on macro-prudential instruments. These instruments are designed to make the financial system more resilient and to reduce systemic risk by constraining excesses in the financial cycle. They can help to reduce volatile credit cycles and asset bubbles, including overheating housing markets, and support the stance of monetary policy, which could be helpful in alleviating pressure on the exchange rate at the margin.

NZ US$

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