BONUS: George Selgin on the Fed Taper and Shrinking the Fed's Balance Sheet

Episode Summary

Executive Summary: The bonus segment centers on whether the Fed should shrink its balance sheet and, more broadly, whether the current floor system is desirable. George argues for reducing QE, restoring a more symmetric corridor system, and limiting the Fed’s role in debt management, while David emphasizes regulatory fixes and the standing repo facility as safeguards against another 2019-style reserve shortage.

Main Topics: Fed balance sheet normalization (Priority: 5/5): The discussion opens with the case for shrinking the Fed’s balance sheet after the post-crisis and pandemic expansions, with both speakers expecting a sizable unwind. 2019 repo episode and reserve scarcity (Priority: 5/5): They revisit September 2019 as a warning that the Fed misjudged reserve demand and unintentionally slipped back toward a corridor-like shortage environment amid QT, tax flows, and TGA growth. Standing repo facility and regulatory fixes (Priority: 5/5): The standing repo facility and possible supplemental leverage ratio adjustments are presented as the key tools that could prevent another reserve squeeze and allow balance-sheet runoff to continue. QE effectiveness and monetary transmission (Priority: 4/5): George argues QE/LSAPs are secondary to interest-rate policy and questions whether QE meaningfully affects the real economy beyond high-end rates, citing Wallace neutrality and weak macro effects. Floor system vs corridor system (Priority: 5/5): A major theme is the institutional preference for a corridor operating system over the current floor system, because a corridor would constrain QE abuse and preserve a more active interbank market. Political economy and Fed independence (Priority: 4/5): They warn that a large Fed balance sheet invites political demands for quasi-fiscal programs, creates optics problems, and can blur the line between monetary policy and appropriations. Debt management and market structure (Priority: 4/5): The Fed’s large holdings of Treasuries and repo liabilities are framed as the central bank effectively managing a large share of public debt, which may distort debt structure and fiscal-monetary responsibilities.

Key Arguments: The Fed should shrink its balance sheet because LSAPs were always presented as temporary and the balance sheet should be no larger than necessary for policy implementation. The 2019 repo spike showed that reserve demand was higher than the Fed assumed, but the standing repo facility should reduce the chance of repeating that failure. Regulatory changes, especially a tweak to the supplemental leverage ratio, may reduce banks’ reserve-hoarding incentives and make runoff smoother. QE is not the main tool for tightening; administered policy rates are more reliable and more uniformly transmitted than tapering or balance-sheet reduction. A floor system weakens the discipline that prevents the Fed from using QE for non-monetary goals, while a corridor system makes such abuse harder because large asset purchases would conflict with maintaining a positive target rate. The floor system has effectively killed the unsecured overnight interbank market and the monitoring function that came with it, making banks more dependent on the Fed in stress events. A smaller balance sheet would reduce churning, meaning the Fed would not have to create large amounts of reserves only to absorb them again through the overnight reverse repo facility. The Fed’s balance sheet has become a political target because it can look like free spending or subsidies, even when it is economically similar to holding Treasuries. A corridor system better preserves Fed independence and Congress’s power of the purse by making it easier for the Fed to say no to backdoor fiscal requests.

Data Points: Fed balance sheet size after crisis unwinds: about $4 trillion - George cites this as the level the balance sheet settled at after the 2019 unwind stopped, before rising again in the pandemic. Pandemic-era Fed balance sheet peak comparison: twice $4 trillion - David notes the balance sheet later grew to roughly double its 2019 level during the next crisis. Public debt held by the public: around $21 trillion - Used to compare against the Fed’s large holdings of liabilities and show the scale of debt structure the Fed influences. Fed liabilities in reserves plus ON RRP: a little over $5.5 trillion - Cited as the Fed’s footprint in short-term government liabilities and public debt management. Fed funds target lower bound: above zero - George notes the Fed never truly allowed the zero lower bound to become binding in the current operating framework.

Pivotal Quotes: "the balance sheet story should not be considered the main act when it comes to monetary tightening. It's of secondary importance at most." — George Selgin: Explaining why policy rates, not QE or QT, should be the Fed’s main tightening tool. "when you increase the short-term rates, it gets in all the cracks." — Manmohan Singh (quoted by David/George): Illustrating why short-term interest-rate policy transmits more uniformly than balance-sheet changes. "the danger of abuse of QE for non-macroeconomic purposes... there's no ability to abuse those purchases in a corridor system" — George Selgin: Arguing that a corridor system constrains politically motivated or quasi-fiscal uses of QE.

Implications: If the Fed keeps the standing repo facility stigma-free and broadens access, it can likely shrink its balance sheet without disruption. Longer term, a move back toward corridor-style operating would reduce QE abuse, preserve market discipline, and strengthen Fed independence.