BoE Deputy Governor: Stop Blaming Central Bankers For Your Problems

BroadbentSuzanne Plunkett/ReutersBoE deputy governor for monetary policy, Ben Broadbent

Bank of England deputy governor for monetary policy Ben Broadbent gave a speech this Thursday at the Society of Business Economists Annual Conference.

His message was simple: stop blaming central banks for high asset prices.

There’s been a long-term decline in the risk-free rate of interest, he said. But you know what? It’s a secular decline, and monetary policy isn’t the only thing affecting markets.

“Autonomous changes in monetary policy certainly can have an impact on asset prices,”he said. “But that does not mean they’re the only thing that actually does so.”

He points to three things:

1) Inflation has been relatively stable, even as the BoE’s policy rate has plummeted.

2) Long-term real interest rates have declined along with short-term real interest rates. Therefore, “just as a matter of principle, it’s hard to see how pure monetary disturbances — including any independent decisions of monetary policy makers — can have very enduring influences on real things, including real interest rates (that’s particularly true for monetary authorities in relatively small and open economies like the UK).”

3) Finally, “…where we’re able to isolate autonomous (or at least unexpected) shifts in official interest rates, they don’t seem to produce any reaction in longer-term real forward rates.”

From Broadbent's speechBank of EnglandFrom Broadbent’s speech

He does say that quantitative easing (QE) is different and definitely did have significant effects. However, “most of the decline in longer-term real interest rates occurred before the crisis.”

If it isn’t easy money from the central banks, what’s causing the decline in real interest rates? Higher saving, maybe. And potentially uncertainty about future economic growth. Then, of course, there’s everybody’s new favourite reason: “The debate about ‘secular stagnation’ — the idea that the equilibrium real interest rate is sufficiently negative to be out of reach of monetary policy (given the zero lower bound) — has brought forth more potential factors still, including population ageing, a shift toward less capital-intensive production and institutional changes that have increased the demand for safe assets.”

Broadbent’s conclusion is that no one is really sure why real interest rates have declined. But it’s not because of monetary policy. That means it’s probably because of real economic changes, and it’s time to pay attention.

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