Anat Admati and Frances Coppola on bank capital

Episode Summary

Executive Summary: The episode argues that banking fragility is driven primarily by too little equity, excessive leverage, and misunderstood liabilities—not by a lack of lending capacity. Anat Admati and Francis Coppola challenge the “more capital means less lending” claim, explain how bank runs stem from unstable funding mixes, and critique deposit insurance, repo, and ROE fixation as sources of distorted incentives.

Main Topics: Why banks need more equity (Priority: 5/5): Admati argues that equity absorbs losses and stabilizes banks, while common claims that more equity reduces lending are “nonsense” because banks fund activities, not lend from a fixed cash pile. The myth that capital reduces lending (Priority: 5/5): The speakers dispute the idea that higher capital requirements force banks to cut lending, saying large banks are not constrained by loanable funds and often use the argument disingenuously. Return on equity as a misleading objective (Priority: 4/5): They criticize the banking sector’s fixation on ROE, saying it encourages leverage and ignores downside risk, even though higher equity can improve outcomes in bad periods. Bank runs and the liability side of fragility (Priority: 5/5): Coppola stresses that runs are about unstable funding and liabilities, not just assets, and that runs can spread through commercial banks, money markets, repos, and payment systems. Deposit insurance, moral hazard, and depositor misunderstanding (Priority: 4/5): Deposit insurance helps payment systems but weakens creditor discipline, leaving regulators responsible for controlling risk; many savers wrongly think deposits are guaranteed savings rather than bank debt. Repo, money market funds, and hidden leverage (Priority: 4/5): Repo markets and money market funds are described as quasi-deposits that add layers of fragility and interconnectedness, making the system more prone to runs and liquidity crises. What banking should do instead (Priority: 4/5): The discussion suggests banks should carry much more equity, accept higher true funding costs, and focus on profitable, properly priced lending rather than subsidized risk-taking or distorted business lending.

Key Arguments: Banks do not lend out a fixed pile of cash; they choose a funding mix, so more equity does not mechanically prevent lending. The banking sector’s obsession with ROE pushes management toward leverage and away from safety, even though equity is the loss-absorbing buffer. For large banks, claims of being unable to lend because of capital rules are overstated; some institutions already have abundant deposits and balance-sheet capacity. Fragility is mainly a liability-side problem: short-term, runnable, and fragile funding creates bank-run dynamics. Deposit insurance is useful for payments, but it removes market discipline, so regulators must replace the risk-checking role of creditors. Repo and money-market structures function like deposits and can transmit runs across the system, increasing instability. Higher equity would reduce debt overhang, make banks more willing to lend at the right price, and reduce fire-sale deleveraging. Subsidized bank borrowing distorts credit allocation, producing too much unstable credit and encouraging risky or inefficient lending. If policymakers want more small-business lending, direct subsidies or direct support to businesses may be better than pressuring undercapitalized banks.

Data Points: Proposed equity ratio for large banks: 20% to 30% - Admati says this is a minimal broad target for banks, depending on accounting and how risk is measured. Alternative equity view mentioned: 40% - Admati says she is “more in the 40% kind of” range for some institutions. Investment-bank equity view: 50% - Admati says investment banks should have higher equity because they can scale up risk. Brown-Vitter proposal: 15% equity - Referenced as a proposal for the largest six banks, mischaracterized by critics as cash reserves. JP Morgan lending figure: 700 billion - Admati cites JP Morgan as lending roughly 700 billion, suggesting it is not constrained by a lack of funds. JP Morgan balance sheet size: At least 3x larger than lending figure - Used to argue that the bank has ample capacity and that “more equity” is not the binding constraint. Deposit insurance threshold in the US: 250,000 - Francis Coppola references the US deposit insurance cap when discussing depositor protection and creditor status. Riskless return cited in Cyprus: 4% - Used as an example of unrealistic promised returns on supposedly risk-free deposits. Episode scheduling descriptor: Nearly weekly - Alpha Chat is described as FT Alpha World’s now nearly weekly podcast.

Pivotal Quotes: "“That’s just absolute nonsense.”" — Anat Admati: Rejecting the claim that equity is idle cash that stops banks from lending. "“The fragility comes from the funding mix.”" — Francis Coppola: Explaining that bank runs are driven by liabilities and runnable funding, not only the asset side. "“If they actually have more equity and the same amount of borrowing, then they’re actually able to lend more, not less.”" — Francis Coppola: Responding to the argument that higher capital requirements reduce lending.

Implications: The conversation pushes regulators toward far higher equity requirements and away from relying on depositors or short-term markets for discipline. It suggests safer banks may lend better, while much of today’s banking structure remains propped up by hidden guarantees and misunderstanding.