Large-scale asset purchases

The QE Ratchet

When it comes to quantitative easing (QE), where you stand definitely depends on where you sit. That is among the conclusions of the important new report of the Economic Affairs Committee of the UK House of Lords.

The report provides an excellent survey of how it is that central banks now use their balance sheets. Its key conclusions are the following. First, central bankers should clearly communicate the rationale for their balance sheet actions, stating what they are doing and why. Second, policymakers should provide more detail on their estimates (and uncertainties) of the effectiveness of their various actions, especially QE. Third, they should be aware that the relationship between central bank balance sheet policy and government debt management policy poses a risk to independence. Finally, and most importantly, central bankers need an exit plan for how they will return to a long-run sustainable level for their balance sheet.

We discussed several of these points in prior posts. On communication, we argued that central bankers should be clear about their reaction function for both interest rate and balance sheet policies (see here). On the justification for policymakers’ actions, we emphasized the need for clear, simple explanations tied to policymakers’ objectives, distinguishing carefully between the intended purposes (such as monetary policy, lender/market maker of last resort, or emergency government finance; see here). And, on the relationship between QE and fiscal finance, we noted how the ballooning of the U.S. Treasury’s balance at the Fed in the early stages of the pandemic looked like monetary finance, putting independence at risk (see here).

In this post, we turn to the challenge that Lord King highlights in the opening quote: the need to ensure that central banks do not see bond purchases as a cure-all for every ill that befalls the economy and the financial system, causing their balance sheets repeatedly to ratchet upward….

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Limiting Central Banking

Since 2007, and especially over the past year, actions of public officials have blurred the lines between monetary and fiscal policy almost beyond recognition. Central banks have expanded both the scope and scale of their interventions in unprecedented fashion. This fiscalization risks central bank independence, thereby weakening policymakers’ ability to deliver on their mandates for price and financial stability. In our view, to find a way to back to the pre-2008 division of responsibilities, officials must establish clearer limits on what central banks can and cannot do.

In that division of official labor, it is fiscal authorities that ought to make the unavoidably political choices that directly influence resource allocation. And governments should not conceal such fiscal actions on the balance sheet of the central bank. In a democracy, doing so lacks legitimacy and would become unsustainable….

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The Fed Goes to War: Part 2

In this note, we update our earlier comment on the first set of Fed actions that appeared on March 23 just as a slew of new ones arrived.

While most of the changes represent simple extensions of previous tools, the Fed also has introduced facilities that are going to involve it deeply in the allocation of credit to private nonfinancial firms. Choices of whom to fund are inherently political, and hence destined to be controversial. Engaging in such decisions will make it far more difficult for the Fed eventually to return to the standard of central bank independence that it has guarded for decades. We urge the Fed to limit its involvement in the allocation of credit to the private nonfinancial sector. And, should Congress deem it necessary, we encourage them to provide explicit authorization to the Treasury (along with the resources) to take on this crisis role.

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Bank Financing: The Disappearance of Interbank Lending

Retail bank runs are mostly a thing of the past. Every jurisdiction with a banking system has some form of deposit insurance, whether explicit or implicit. So, most customers can rest assured that they will be compensated even should their bank fail. But, while small and medium-sized depositors are extremely unlikely to feel the need to run, the same cannot be said for large short-term creditors (whose claims usually exceed the cap on deposit insurance). As we saw in the crisis a decade ago, when they are funded by short-term borrowing, not only are banks (and other intermediaries) vulnerable, the entire financial system becomes fragile.

This belated realization has motivated a large shift in the structure of bank funding since the crisis. Two complementary forces have been at work, one coming from within the institutions and the other from the authorities overseeing the system. This post highlights the biggest of these changes: the spectacular fall in uncollateralized interbank lending and the smaller, but still dramatic, decline in the use of repurchase agreements. The latter—also called repo—amounts to a short-term collateralized loan....

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Relying on the Fed's Balance Sheet

Last week’s 12th annual U.S. Monetary Policy Forum focused on the effectiveness of Fed large-scale asset purchases (LSAPs) as an instrument of monetary policy. Despite notable disagreements, the report and discussion reveal a broad (if not universal) consensus on key issues:

In a world of low equilibrium real interest rates and low inflation, policymakers could easily hit the zero lower bound (ZLB) in the next recession.

At the ZLB, the Fed should again use a combination of balance-sheet tools and interest-rate forward-guidance to achieve its mandated objectives of stable prices and maximum sustainable employment (see our earlier post).

Yet, significant uncertainties about the impact of balance-sheet expansion mean that LSAPs may not provide sufficient stimulus at the ZLB.

Fed policymakers should undertake a thorough (and potentially lengthy) assessment of alternative policy tools and frameworks—ranging from negative interest rates to a higher inflation target to forms of price-level targeting—to ensure they remain as effective as possible.

The remainder of this post discusses the challenges of measuring the impact of balance-sheet policies. As the now-extensive literature on the subject implies, balance-sheet expansions ease financial conditions. However, as this year’s USMPF report emphasizes, there is substantial uncertainty about the scale of that impact.... 

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Unconventional monetary policy through the Fed's rear-view mirror

On December 16, the Federal Open Market Committee is poised to hike interest rates, putting an end to the near-zero interest rate policy that began in December 2008. So, it’s natural to step back and ask what this episode has taught us about monetary policy at the near-zero lower bound for nominal interest rates. This is not merely some academic exercise. The euro area and Japan are still constrained by the zero bound. And, in this era of low inflation and low potential growth, policy rates in advanced economies are likely to hit that lower bound again (see, for example, here). How the Fed and other central banks respond when that happens will depend on the lessons drawn from recent experience...

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