Tag: liquidity

Econ 101: SVB and bank runs

What is a bank run and how can we prevent them? A bank run, as I am sure you all know, is a rush by depositors to withdraw their deposits for fear that the bank will not have the money to give them. But there is a lot to unpack there in order to understand what is going on and how runs might be prevented.

It is important to understand the difference between debt and equity—between lending a specific amount of money with specific terms and investing an amount of money in exchange for a share of the earnings (or losses) of the recipient. When you buy shares in a company, it has no obligation to return your money. If you no longer want to invest in that company, you can sell your shares to someone else or the company might, at its discretion, buy them back. Its failure to “return” your money cannot be the cause of a company’s bankruptcy (take over by creditors to collect what the company is no longer able to return).

The deposits that we make in our banks are a special case of debt finance of whatever the banks do with our money. As we know, they lend much of it to people and companies for one thing or another and invest some in hopefully safe assets like Treasury bills and keep a tiny bit on hand for when you need cash. But the deposit contract says that you have the right to withdraw (or pay to someone else) any or all of it whenever you want to. Thus, banks must keep sufficient liquid assets in order to satisfy such withdrawals by selling them in the market when you demand your money back. The Federal Reserve, our lender of last resort, also has facilities for lending to banks needing cash against the collateral of bank assets.

The difference between illiquidity and insolvency is critical as well. A bank is solvent when the value of its assets match or exceed the value of its liabilities (such as your deposits). But having sufficient good assets doesn’t mean that that bank can always honor your deposit withdrawal demand. That is a question of liquidity. Does the bank have enough of its assets backing your deposit in forms that it can pay out immediately (cash in its vault, deposits at the Federal Reserve that it can transfer to another bank or use to buy cash, or assets it can quickly sell such as t-bills, or credit lines with other banks or the Fed, etc.)?  “The difference between bank liquidity and capital” Thus, even a solvent bank (positive capital) might fail to honor your withdrawal demand if it doesn’t have sufficient liquid assets. “The big bailout-what next?”

Usually, a bank becomes insolvent when more of its loan assets default than the bank has capital to cover such losses. But as we will see in the case of Silicon Valley Bank, insolvency can also result from a decline in the current market value of a “good” asset.  When depositors suspect that their bank might be insolvent, they will withdraw their money while they still can. This tends to use up the bank’s liquid assets compounding the risk of default. As the word spreads the classical bank run takes off (electronically these days rather than long lines outside the bank as in the old days).

The SVB, which specialized in financial services to start-ups and technology companies, enjoyed a huge increase in its deposits over the last four years, increasing from $49 billion in 2018 to $189.2 billion in 2021 dropping back to $175.4 billion at the end of 2022. It invested most of those deposits in “safe” long term government and similar debt. While the default risk for these assets was negligible, the risk of a loss in current market value if market interest rates increased was high. No one will pay the face value of a 3% ten-year bond while current market rates for the same maturity are 4%. The rapid increase in interest rates as the Federal Reserve reversed money growth to fight inflation tanked the current market value of a large share of SVB’s assets making it impossible for it to come up with the cash depositors might demand if they “ran”. That is how runs work. On March 10 SVB was put into receivership.

The original sin of modern banking is financing long term loans/investments with money (demand and savings deposits). Islamic banking, what uses equity investing, is wiser in this regard. During the Savings and Loan crisis in the U.S. in the 1980s and early 90s (financing mortgages with deposits) more than 1000 S&Ls failed when interest rates increased. But in fact, the U.S. bank regulation regime has some good features. While bank risk taking is subject to many, often costly, regulations, the ultimate check on risk taking comes from the knowledge of bank owners that they will lose their entire stake if their bank becomes insolvent. The Federal Deposit Insurance Corporation (FDIC), which oversees America’s deposit insurance scheme, has developed effective bank bankruptcy and resolution procedures that allow it to take over and resolve insolvent banks with barely a ripple. A favorite tool is the so-called purchase and assumption transaction by which a healthy bank buys the assess of the insolvent one and assumes its liabilities (deposits), usually over a weekend. Thousands of insolvent banks have been resolved by the FDIC in the last fifty years.  See “Institutional and Legal Impediments to Efficient Insolvent Bank Resolution and Ways to Overcome Them” by Warren Coats and Arno Liuksilo “Warren Coats-17”

Most bank depositors pay no attention to the financial condition of their bank because their deposits are insured against losses, which until last week had been raised to $250,000. But the government has now implicitly extended such insurance to all deposits via accounting and other tricks, thus removing any remaining check on bank risk taking from all depositors. On Monday, President Biden announced that no depositors in SVB (and Signature Bank of New York) would lose any of their deposits.  Following the banking crisis of 2008, the Dodd-Frank law further strengthened financial sector regulations. The most important and helpful provisions of this 2,300 page law provided for significant increases and strengthening of bank capital requirements.  

The overuse of debt rather than equity financing is a more general weakness in our economy. The IRS should stop subsidizing it. Interest on borrowing is deductible from taxable income while dividends on equity financing are not. While increasing bank capital makes them less run prone, a simpler and easer to regulate approach is to remove the cause of runs all together by eliminating any risk that your bank can’t honor its obligation to return your money on demand. Another few thousand pages of laws and regulations might catch the last mistakes (though it is hard to see why regulators didn’t address the obvious duration risks taken by SVB), but there is an easier, less costly solution. Bank failures result from the mistakes of banks (their owners and managers) and the failure of depositors to more carefully evaluate the soundness of the bank in which they deposit their money. But depositors have little competence to evaluate bank soundness, and why should they be expected to?

Money (bank deposits) should be fully separated from credit. Deposits should not finance loans. Those financing investments should share in its risks (and rewards) via equity financing. “More than decade ago Professor Kotlikoff and [John Goodman] proposed “limited purpose banking” in The New Republic and in Investment News. The idea is that credit market institutions should be intermediaries between savers and investors and should not themselves use depositors’ money to make risky investments.”

When we deposit money in banks for safekeeping and making payments there should never be any doubt about the bank’s ability to return it on demand and thus no reason to “run” on the bank to protect our deposits. This is the essence of the Chicago Plan which would replace so call fractional reserve banking with 100% reserves (deposits at the central bank). When my bank deposit is backed totally by my bank’s deposits at the Fed, I would know with certainty that they were 100% safe and instantly available.  The “Chicago Plan” and New Deal Banking Reform | Levy Economics Institute (levyinstitute.org) Narrow banking schemes have a similar motivation. “A proposal for the feds balance sheet”

Printing Money

Isn’t that just printing money?  Here is a quick, and hopefully simple, primer on what central banks do.

Central banks print money. They are responsible for issuing a country’s legal tender (banknotes and bank deposits with the central bank) and regulating its value. Most of what we call money is actually privately produced (deposits at commercial banks, credit and debit cards, paypal, etc.) but tied to the money printed by each country’s central bank by the public’s demand that it be redeemable for the central bank’s money. There are a few exceptions to this demand by the market, such as bitcoin (see: the-rise-of-the-bitcoin-virtual-gold-or-cyber-bubble), but they shall ever remain unimportant fads. There is never a question about whether central banks print monetary or not. It is their responsibility to do so. This is as true for a pure gold standard or other fixed exchange rate monetary regimes, as for the variety of fiat money regimes (from monetary targets to inflation targets to flying by the seat of their pants day-to-day).

The important and proper question about a central bank’s behavior is what guides its decisions about when and how much money to print. A secondary question is what does it buy when it issues money (there are no helicopters that drop it from the sky)?

The gold standard: Under a gold standard the central bank buys gold with the money it prints and is legally bound to buy that money back with gold at the same price whenever anyone holding its money wants to redeem it. While this is still printing money, the supply is determined by the preferences of the market (each and every one of us) to hold and use that money. Such central banks have no monetary “policy” in the usual sense. They passively supply whatever amount of money the public demands.

Fiat money: If the central bank issues money with no obligation to redeem it for anything in particular nor at a particular price, its value is determined in the market by its supply and demand. The amount supplied by the central bank relative to the market’s demand for it will determine is value (the price level). Monetary policy consists of the decisions made by central banks that determine the amount of the money they supply and manner in which they supply it.

The public’s demand for money reflects its convenience for making payments, its expected value when exchanged for goods and services, and the opportunity cost of holding it (inventory costs, i.e., the interest rate that could have been earned on holding wealth in other forms). Rapidly changing payment technology (debit/credit cards, Paypal, e-money, etc.) has a profound impact on this demand. There is a vast academic literature on this subject. Unlike any other good or service money’s value derives solely from what it can be exchanged for or more specifically from the economy it brings to exchange/trade.  Fiat currency is always useable and thus “redeemable” for the payment of taxes and other obligations to the government that issued it. These obligations are denominated (valued) in the same units as the currency. These guaranteed uses of fiat money anchor its demand and thus value in the same way that the demand for gold for jewelry and other non-monetary uses anchors its value. Bitcoin has no alternative use and thus has no anchor to its value.

Central banks have learned the value of establishing clear rules for issuing money, such as targeting the rate at which the money supply (by one definition or another) grows, or targeting nominal income, or inflation. These rules guide how much money they “print.” They also influence the public’s demand for money by informing its expectations of the central banks actions. The policy regime adopted—rule—determines the behavior of the money supply and thus its value (or visa versa). The supply of bitcoin also follows a well-defined rule, but its demand is unanchored. The fact that the central bank is printing money is irrelevant by itself.

A secondary consideration is what it is that the central bank buys with the money it prints. Under a gold standard it buys gold. Under a fiat money standard central banks generally buy government securities because these securities are generally of unquestioned safety and in most countries have the deepest and most liquid secondary markets. Central banks also traditionally adhere to a “bills only” policy, i.e., they buy short-term government security, in order not to interfere with the market’s determination of the term structure of interest rates, i.e. the relationship of interest rates on securities with longer maturities relative to those with shorter maturities. In a free market, rates on longer maturities are determined by the expected value of overnight rates over the period in question plus a risk premium for the uncertainty over the behavior of overnight rates.

Whatever the ultimate or intermediate targets of monetary policy, most central banks in recent decades have pursued them by targeting a short-term interest rate, their so-called “operating target.” The Federal Reserve targets the overnight interbank rate, the so-called “federal funds rate,” as its approach to targeting the money supply, nominal income, or inflation. Given all other market factors, a particular fed funds rate target will result from and result in a particular rate of growth in the money supply.

Because most money and related means of payment are privately produced by banks or is ultimately settled through banks, and because banks only keep a small amount of the money produced by their central banks for which bank deposits are redeemable (the so-called “fractional reserve banking system”), central banks have also been given the role of insuring that banks have sufficient liquidity to function smoothly. They are mandated to lend to solvent but illiquid banks when banks need to convert loans into cash to accommodate deposit withdrawals (the so-called “lender of last resort” function).

As more and more central banks successfully adopted the techniques of inflation targeting and most of the rest fixed the exchange rate of their currencies to an inflation targeting currencies such as the U.S. dollar or the Euro, the world entered a long period dubbed “the great moderation.” However, the long period of very low interest rates following the bursting of the “dot com” bubble produced the housing price bubble in many locations in the U.S. and Europe. Its collapse in 2007-8 plunged much of the Western world into the long, Great Contraction.

Monetary Policy Plus (MP+):  In the last few years the Federal Reserve, the European Central Bank (ECB) and other central banks have undertaken many non-traditional actions in an effort to help lift their respective economies out of recession. In the early days of the serious liquidity crunch following the collapse of Lehman Brothers in September 2008, the Fed, ECB, Bank of England and a few other central banks very successfully pumped needed liquidity into their financial systems by expanding the number of counterparties they would lend to, increasing the eligible collateral, and entering into currency swap arrangements to supply dollar liquidity to foreign banks.

However, after unblocking the flow of funds between banks and other financial firms, the Fed’s concern shifted to fighting deflation, then to reviving economic activity. After driving its operating target to almost zero, the Fed continued increasing monetary growth beyond the rate resulting from a zero fed funds target and dubbed it quantitative easing. However, the channels through which monetary policy is traditionally transmitted to the economy (interest rate, credit, asset price, portfolio/wealth effects, exchange rate channels) seemed ineffective. Thus, the Fed began to purchase non-traditional, financial instruments, such as Mortgage Backed Securities (MBSs) and longer-term government securities, in an effort to keep mortgage interest rates low and to encourage the flow of funds into the mortgage market and stimulating investment more generally. These quasi-fiscal policy measures do not square easily with the Fed’s legal mandates of price stability and employment.

With the Fed’s third program of quantitative easing it is now pushing on a string  (QE3: http://works.bepress.com/warren_coats/28/). It is attempting to stimulate an economy that lacks a clear policy environment that would encourage more investment rather than one suffering from inadequate liquidity. While market measures of inflation expectations remain very low, long periods of very low interest rates influence the capitalized value of income streams. A given monthly mortgage payment will purchase a more expensive house when interest rates are lower. What people and firms invest in is distorted toward more capital-intensive projects than are economically efficient and justified at normal rates of interest.  Pension funds and other endowments lose income that must be made up somehow (often by moving into riskier investments). Asset price bubbles emerge. On top of these economic risks, the Fed’s need to unwind its huge portfolio of securities (purchased by printing money) when the economy recovers more fully is becoming more and more challenging.

Moreover, the policies of one central bank can affect the exchange rate of its currency if its policies are not coordinated with those of other central banks. This can either improve or worsen the balance of payments between countries (balance of imports and exports). The very wide swings over the last decade in the exchange rate of the US dollar with the Euro, for example, cannot be justified by economic fundamentals and is very disruptive to trade and international capital movements. Recent monetary policy initiatives by the Bank of Japan raise such concerns.

In short, the problem is not that the Fed and other central banks are printing money. The problem is the amount they print and their conceit that they can do more to help the real economy than they really can, thus adding to the market’s uncertainty over the economic, policy, and financial environment in which their decisions to spend and invest must be made. The solution is to reestablish a hard anchor for monetary policy that allows the supply of money to be market determined (as proposed in my: Real SDR Currency Board, paper).

The fantasy of a purely private money that would overcome the weaknesses of government money, remains for the foreseeable future a utopian fantasy: “The Future of Money”. But those of you who enjoy fantasy, might enjoy the following story by Neal Stephenson: “The Great Simoleon Caper”.