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What’s the Difference Between Nominal and Real?Calculating and Understanding Real Interest RatesWhat are Interest Rates?

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From Mike Moffatt,
Your Guide to Economics.
A Negative Interest Rate?Q: Can interest rates keep on to zero? Could they even be negative? I’ve heard that this has happened prior to. What would cause something like that to come off and what impact would it have on the economy?

A: Great questions!

First we need to detect between nominal and real prejudiced rates. The article What’s the difference between nominal and sincere? The quick answer is that nominal interest rates are the ones you typically hear about (prime rate, etc.) whereas real interest rates factor out inflation.

This week we will examine zero nominal interest rates. Next week we will look at zero real interest rates. Zero Nominal Interest Rates A zero nominal interest rate occurs when the interest rate is the same as the inflation rate. If inflation is 4% then interest rates are 4%. If you lent or borrowed for a year at a zero real interest rate, you would be exactly back where you started at the end of the year. I loan $100 to someone, I get back $104, but any more what payment $100 before costs $104 now, so I’m no better off.

Typically nominal interest rates are positive, so people have some incentive to lend money. During a recession, however, central banks be prone to discount nominal interest rates in order to spur investment in machinery, land, factories, etc. If they slit interest rates too instantly, they can start to approach the level of inflation. Inflation will frequently rise when capture rates are cut, since these cuts have a stimulative effect on the economy.

According to some economists a zero nominal interest rate can be caused by a liquidity trap: The Liquidity trap is a Keynesian idea. When expected returns from investments in securities or real plant and equipment are indelicate, investment falls, a recession begins, and cash holdings in banks rise. People and businesses then continue to hold sell because they expect spending and investment to be low. This is a self-fulfilling trap. Wikipedia explain the relationship between the liquidity trap and zero nominal interest rates: In monetary economics, a liquidity trap occurs when the terseness is stagnant, the nominal stimulated by rate is close or symmetrical to zero, and the monetary authority is unable to excite the economy with traditional monetary policy tools. In this kind of status quo, people do not expect high returns on physical or financial investments, so they keep assets in short-term spondulicks bank accounts or hoards rather than making long-term investments. This makes the recession even more severe.

In normal times, the monetary judge (usually a pre-eminent bank or finance ministry) can stimulate the frugality by lowering interest rate targets or increasing the monetary base. Either spirit should boost waxing borrowing and lending, consumption, and unflinching investment. When the relevant interest rate is already at or near zero, the monetary authority cannot lower it to stimulate the economy. The monetary word can increase the overall weight of money available to the economy, but traditional monetary policy tools do not inject new money directly into the economy. Rather, the new liquidity created must be injected into the real control by way of financial intermediaries such as banks. In a liquidity trap environment, banks are unwilling to lend, so the central bank’s newly-created liquidity is trapped behind unwilling lenders. Some economists put one’s trust in that a liquidity trap is just a theoretical create, not an actual phenomenon, though it can be argued that the recent experience in Japan falls under the category of "liquidity trap".

There is a acknowledge proceeding, however, for real interest rates to be negative, even if nominal tempt rates are still positive. It occurs if investors believe a currency will rise in the future. Suppose the nominal interest rate on a bond in Norway is 4%, but inflation in that country is 6%. That sounds mould a bad deal for a Norwegian investor because by buying the bond their future real purchasing power would go down. However, if I’m an American investor and I think the Norwegian krone is going to increase 10% over the U.S. dollar, then buying these bonds is a good deal. If I’m right about the currency jump, then I’ll gain 10% from switching from the U.S. dollar to Norwegian krone denominated bonds today. On top of that, I’ll also receive the 4% realize in interest.

As you might expect this is more of a theoretic possibility than something than occurs regularly in the real world. However, it did take slot in Switzerland in the late 1970s, where investors bought negative proposed pastime rate bonds because of the strength of the Swiss franc.

I hope this answers your question about negative real interest rates. In What Happens if Nominal Interest Rates Go To Zero? we examine the carton of annulling nominal interest rates. If you have a question about interest rates, please contact us, by using the feedback form.