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November 9, 2017

Interest Rates: Not Going Back to “Normal” Anytime Soon


By Russ Koesterich, CFA, BlackRock

The past month has witnessed a steady stream of developments supporting the likelihood of higher interest rates. Economic data has improved, tax cuts appear to be moving through Congress and investors are, for the first time in over a decade, contemplating a more hawkish Federal Reserve (Fed). All of which have led to a predictable backup in long-term rates.

As rates have risen, investors have, once again, started asking the perennial question: Is the bond bull market over and are rates normalizing? My view: It’s complicated.

Long-term drivers of yield

In thinking about bond yields, it is important to keep longer-term factors in mind that have nothing to do with central bank policy. Low yields have correlated with two, related longer-term trends: low nominal GDP (NGDP) and an aging population. The reason they’re related is that an aging population means slower growth in the workforce, and in turn, slower economic growth.

An aging population impacts rates through a second mechanism. As consumers age, their borrowing and investing patterns shift. Older households tend to borrow less and demonstrate a preference for income, in the process raising the demand and lowering the supply of bonds. The net result is that older populations tend to be associated with lower real, or inflation-adjusted interest rates. This dynamic has been at work for decades and helps explain why low yields predated the financial crisis.

What would need to change?

Because the population will not get younger any time soon, what would need to change to push rates back to “normal”? In terms of the real economy, the simple answer is faster nominal growth. Looking back over the past 60 years, the level of nominal growth has been the key to understanding the level of rates. During this period, a smoothed average of nominal growth explains almost 60% of the variation in long-term rates (see the chart below).

Nominal GDP vs. 10-year Treasury yield (1962 to present)


For nominal growth to improve, either real growth needs to accelerate beyond the 2% to 2.50% range that has characterized the recovery, or inflation needs to materially increase. As of now, there is little evidence of either. To be sure, the economy will grow a bit faster this year, and a tax cut next year would help further. However, neither the current acceleration in growth nor the prospect of a limited tax cut points to a return to sustained +3% growth. As for inflation, it is conspicuous by its absence. The Fed’s preferred measure of inflation is stuck at 1.30%.

None of this suggests that rates are not heading higher. Given Fed tightening and marginally faster growth, they probably are. However, higher does not equal normal. What does normal look like? The average 10-year Treasury yield in the 20 years prior to the financial crisis is around 6%.

The bond bull market may have ended, i.e. rates have probably bottomed, but normal is a long ways away.

Courtesy of Russ Koesterich, CFA, Portfolio Manager for BlackRock’s Global Allocation team and is a regular contributor to The BlackRock Blog.

Investing involves risks, including possible loss of principal. Fixed income risks include interest-rate and credit risk. Typically, when interest rates rise, there is a corresponding decline in bond values. Credit risk refers to the possibility that the bond issuer will not be able to make principal and interest payments. This material is not intended to be relied upon as a forecast, research or investment advice, and is not a recommendation, offer or solicitation to buy or sell any securities or to adopt any investment strategy. The opinions expressed are as of November 2017 and may change as subsequent conditions vary. The information and opinions contained in this post are derived from proprietary and nonproprietary sources deemed by BlackRock to be reliable, are not necessarily all-inclusive and are not guaranteed as to accuracy. As such, no warranty of accuracy or reliability is given and no responsibility arising in any other way for errors and omissions (including responsibility to any person by reason of negligence) is accepted by BlackRock, its officers, employees or agents. This post may contain “forward-looking” information that is not purely historical in nature. Such information may include, among other things, projections and forecasts. There is no guarantee that any forecasts made will come to pass. Reliance upon information in this post is at the sole discretion of the reader. Past performance is no guarantee of future results. Index performance is shown for illustrative purposes only. You cannot invest directly in an index. ©2017 BlackRock, Inc. All rights reserved. BLACKROCK is a registered trademark of BlackRock, Inc., or its subsidiaries in the United States and elsewhere. All other marks are the property of their respective owners. 296716

The views and opinions expressed herein are the author's own, and do not necessarily reflect those of EconMatters.

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