Monetary policy stance in one indicator

New research proposes to condense policy rates and balance sheet actions into a single implied short-term interest rate. To this end the term premium component of the yield curve is estimated and its compression translated into an equivalent change in short-term interest rates. This implied short-term rate can be deeply negative and allows calculating long time series of the monetary policy stance including times before and after quantitative easing. It is only suitable for large currency areas, however. Indicators of smaller open economies should include the exchange rate as well, as part of an overall monetary conditions index.

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The demographic compression of interest rates

Declining population growth and rising dependency ratios in the developed world have been one key factor behind the decline in nominal and real interest rates since the 1980s. Personal savings for retirement are growing, while investment spending is not rising commensurately, and long-term economic growth is dampened by slowing or even shrinking work forces. A new ECB paper suggests that for the euro area these trends will likely continue to compress interest rates for another 10 years, a challenge for monetary policy and financial stability.

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Inflation: risk without premium

Historically, securities that lose value as inflation increases have paid a sizable risk premium. However, there is evidence that inflation risk premia have vanished or become negative in recent years. Macroeconomic theory suggests that this is related to monetary policy constraints at the zero lower bound: demand shocks are harder to contain and cause positive correlation between inflation and growth. Assets whose returns go down with higher inflation become valuable proxy-hedges. As a consequence, inflation breakevens underestimate inflation. Bond yields would rise disproportionately once policy rates move away from the zero lower bound.

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Term premia in the times of “lift-off”

Equilibrium models suggest that as long as the policy rate is firmly near zero, the term premium on longer-dated yields is compressed by a reduced sensitivity of rates to economic change. However, when policy rates are on the move again this sensitivity recovers, while proximity of the zero lower bound implies high economic risks and a surcharge on the term premia. Hence, term premium uncertainty would be highest at the time of “lift-off”, when policy rates are expected to move upward from near zero.

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The side-effects of non-conventional monetary policy

A BIS summary of research gives a nice overview on non-conventional monetary policies and their unintended systemic consequences. Current policies appear to yield diminishing returns in terms of easier financial conditions, while their costs and side effects are increasing. This leaves markets more exposed to future negative shocks. Also, the descent into negative nominal interest rates is itself a drag on profitability and health of the financial system that erodes the effectiveness of non-conventional policies.

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The “de-anchoring” of inflation in the euro area

Two recent empirical studies highlight the risk that inflation expectations in the euro area are becoming de-anchored, similar to Japan. De-anchoring means that short-term price shocks can change long-term expectations. Importantly, the papers suggest medium- and short-term measures to track this de-anchoring. De-anchoring increases the risk of actual deflation and may add to the risk premia on equity and credit.

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The secular decline in the global equilibrium real interest rate

A new Bank of England paper finds a 450 bps decline in global equilibrium real interest rates over the past 35 years, due to a fundamental divergence: savings preferences surged on demographics, inequality and EM reserve accumulation, while investment spending was held back by cheapening capital goods and declining government activity. More recently, fear of secular stagnation has compounded the real rate compression.

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How nominal interest rates can become deeply negative

A recent IMF paper suggests that sizeable negative policy rates could be implemented in developed economies. The key would be a variable deposit fee at the central bank cash window that can enforce value decay of paper currency relative to electronic money. Despite legal and economic issues, the proposal is disconcertingly practical in light of the expansion of electronic payments. Its mere consideration would be a tail risk for fixed income markets.

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The deflationary bias of low interest rates

Compressed interest rates raise the risk of hitting the zero lower bound. A new theoretical ECB paper shows that even before the ZLB is reached this creates a deflationary bias, as inflation expectations shift lower, real rates rise, and consumption and pricing power decline. To counter this bias central banks would need to accept positive output gaps (tighter labour markets) or even increase their inflation targets.

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Monetary policy risk management in the U.S.

A Chicago Fed paper argues that economic uncertainty at the zero lower bound (ZLB) should be a cause of looser monetary policy. This is basic risk management, as confirmed by Fed Chair Janet Yellen. Near the ZLB unduly tight monetary policy is more difficult to correct than unduly easy policy. Moreover, the mere risk of being constrained by the ZLB tomorrow affects expectations already today and can reinforce the severity of the ZLB constraint.

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