The Fed Has Another Lever to Pull

The Fed could give the economy a powerful boost by maintaining the mix of assets on its balance sheet.

Following the Federal Reserve's 50-basis-point rate cut on 3 March, the fed funds target range stood at 1.0%−1.25%. The financial markets continued to be volatile, and U.S. stock markets declined on concern that the rate cut may not be enough to offset the economic impact of COVID-19. But with the policy rate so low, an important question now is, what more can the Fed do?

We have seen an incredible disruption to both financial markets and lives as people look to protect themselves from the physical spread and the potential economic impact of the coronavirus. Amid dramatic market volatility, U.S. Treasuries have rallied and equities have plunged. Over the past week, a chorus of participants called on the Fed to act immediately, and it responded by cutting the policy rate.

Clearly, leadership at the Fed is concerned about the ramifications of the coronavirus. After equities plummeted for a week, Fed Chair Jerome Powell on 28 February let investors know in a statement of just one paragraph that the Fed will “use our tools and act as appropriate to support the economy.”

Indeed, since 2019 the Fed has been easing through a combination of rate cuts and balance sheet expansion via purchases of short-maturity Treasuries. Offsetting some of this easing, the Fed has been simultaneously tightening by selling (running off) $20 billion of mortgages per month. We believe this monetary policy “tool” of directing the size of the Fed’s balance sheet is potentially more powerful than cutting the policy rate, and with a far lower likelihood of unintended consequences.

The Fed can end the runoff of mortgage paydowns from its balance sheet, reducing an unnecessary headwind to mortgage rates and allowing homeowners to benefit from the all-time lows in rates being realized in the Treasury market. While it is true that Treasury yields have reached all-time lows, the mortgage rate to homeowners remains well above the lows of 2016. Mortgage rates are not falling as quickly, likely in part because the Federal Reserve is selling.

Additionally, when we compare 30-year mortgage rates to 10-year Treasury yields, it is notable that the difference is now at the highest level we’ve seen since the financial crisis (see chart). By simply stopping the runoff/selling, we believe the Fed would be able to reduce mortgage rates by at least 35 basis points. This in turn would allow many homeowners to refinance at lower rates, thereby giving them more disposable income or increasing its savings rates – either would help them withstand an economic shock. The lower the interest rate on a home mortgage, the faster a home loan amortizes.

Ending the balance sheet unwind in mortgages would likely provide an economic jolt to the U.S. consumer while simultaneously increasing savings rates. Quite a powerful tool the Fed has at their disposal.

Figure 1 shows the spread between U.S. 30-year fixed mortgage rates and 10-year Treasury yields over the last two decades. The spread reached roughly 2.5% as of February this year, the highest since the global financial crisis of 2008–2009, when it peaked at over 3%. The most narrow spread came during 2004, when is fell below 1% 

This blog was published on 3 March 2020.

For our original analysis on using the balance sheet, see “Could the Fed Pivot on Balance Sheet Policy for Mortgage Securities?”


Mike Cudzil is a generalist portfolio manager and Dan Hyman is head of agency MBS portfolio management.

The Author

Mike Cudzil

Portfolio Manager, Liability-Driven Investment

Daniel H. Hyman

Head of Agency MBS Portfolio Management



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