This Piece Is Part of the “Search For Stable Liquidity Providers” Series.
By Elham Saeidinezhad
The COVID-19 crisis has revealed the resiliency of the banking system compared to the Great Financial Crisis (GFC). At the same time, it also put banks’ absence from typically bank-centric markets on display. Banks have already demonstrated their objection to passing credit to small-and-medium enterprises (SMEs). In doing so, they rejected their traditional role as financial intermediaries for the retail depositors. This phenomenon is not surprising for scholars of “Money View”. The rise of market-based finance coincides with the fading role of banks as financial intermediaries. Money View asserts that banks have switched their business model to become the lenders and dealers in the interbank lending and the repo market, both wholesale markets, respectively. Banks lend to each other via the interbank lending market and use the proceeds to make a market in funding liquidity via the repo market.
Aftermath the COVID-19 crisis, however, an episode in the market for term funding cast a dark shadow over such doctrine. The issue is that it appears that interbank lending no longer serves as the significant marginal source of term funding for banks. Money Market Funds (MMFs) filled the void in other wholesale money markets, such as markets for commercial paper and the repo market. After the pandemic, MMFs curtailed their repo lending, both with dealers and in the cleared repo segment, to accommodate outflows. This decision by MMFs increased the cost of term dollar funding in the wholesale money market. This distortion was contained only when the Fed directly assisted MMFs through Money Market Mutual Fund Liquidity Facility or MMLF. Money View emphasizes the unique role of banks in the liquidity hierarchy since their liabilities (bank deposits) are a means of payment. Yet, such developments call into question the exact role of banks, who have unique access to the Fed’s balance sheet, in the financial system. Some scholars warned that instruments, such as the repo, suck out liquidity when it most needed. A deeper look might reveal that it is not money market instruments that are at fault for creating liquidity issues but the inconsistency between the banks’ perceived, and actual significance, as providers of liquidity during a crisis.
There are two kinds of MMFs: prime and government. The former issue shares as their liabilities and hold corporate bonds as their assets while the latter use the shares to finance their holding of safe government debts. By construction, the shares have the same risk structure as the underlying pool of government bonds or corporate bonds. In doing so, the MMFs act as a form of financial intermediaries. However, this kind of intermediation is different from a classic, textbook, one. MMFs mainly use diversification to pool risk and not so much to transform it. Traditional financial intermediaries, on the other hand, use their balance sheet to transform risk- they turn liquid liabilities (overnight checkable deposits) into illiquid assets (long term loans). There is some liquidity benefit for the mutual fund shareholder from diversification. But such a business model implies that MMFs have to keep cash or lines of credit, which reduces their return.
To improve the profit margin, MMFs have also become active providers of liquidity in the market for term funding, using instruments such as commercial paper (CP) and the repo. Commercial paper (CP) is an unsecured promissory note with a fixed maturity, usually three months. The issuer, mostly banks and non-financial institutions, promises to pay the buyer some fixed amount on some future date but pledges no assets, only her liquidity and established earning power, guaranteeing that promise. Investment companies, principally money funds and mutual funds, are the single biggest class of investors in commercial paper. Similarly, MMFs are also active in the repo market. They usually lend cash to the repo market, both through dealers and cleared repo segments. At its early stages, the CP market was a local market that tended, by investment banking standards, to be populated by less sophisticated, less intense, less motivated people. Also, MMFs were just one of several essential players in the repo market. The COVID-19 crisis, however, revealed a structural change in both markets, where MMFs have become the primary providers of dollar funding to banks.
It all started when the pandemic forced the MMFs to readjust their portfolio to meet their cash outflow commitments. In the CP market, MMFs reduced their holding of CP in favor of holding risk-free assets such as government securities. In the repo market, they curtailed their repo lending both to dealers and in the cleared segment of the market. Originally, such developments were not considered a threat to financial stability. In this market, banks were regarded as the primary providers of dollar funding. The models of market-based finance, such as the one provided by Money View framework, tend to highlight banks’ function as dealers in the wholesale money market, and the main providers of funding liquidity. In these models, banks set the price of funding liquidity and earn an inside spread. Banks borrow from the interbank lending market and pay an overnight rate. They then lend the proceeds in the term-funding market (mostly through repo), and earn term rate. Further, more traditional models of bank-based financial systems depict banks as financial intermediaries between depositors and borrowers. Regardless of which model to trust, since the pandemic did not create significant disturbances in the banking system, it was expected that the banks would pick up the slack quickly after MMFs retracted from the market.
The problem is that the coronavirus casts doubt on both models, and highlights the shadowy role of banks in providing funding liquidity. The experience with the PPP loans to SMEs shows that banks are no longer traditional financial intermediaries in the retail money market. At the same time, the developments in the wholesale money market demonstrate that it is MMFs, and no longer banks, who are the primary providers of term funding and determine the price of dollar funding. A possible explanation could be that on the one hand, banks have difficulty raising overnight funding via the interbank lending market. On the other hand, their balance sheet constraints discourage them from performing their function as money market dealers and supply term funding to the rest of the financial system. The bottom line is that the pandemic has revealed that MMFs, rather than large banks, had become vital providers of US dollar funding for other banks and non-bank financial institutions. Such discoveries emphasize the instability of funding liquidity in bank-centric wholesale and retail money markets.
The withdrawals of MMFs from providing term funding to banks in the CP markets, and their decision to decease their reverse repo positions (lending cash against Treasuries as collateral) with dealers (mostly large banks), translated into a persistent increase of US dollar funding costs globally. Even though it was not surprising in the beginning to see a tension in the wholesale money market due to the withdrawal of the MMFs, the Fed was stunned by the extent of the turbulences. This is what caused the Fed to start filling the void that was created by MMFs’ withdrawal directly by creating new facilities such as MMLF. According to the BIS data, by mid-March, the cost of borrowing US funding widened to levels second only to those during the GFC even though, unlike the GFC, the banking system was not the primary source of distress. A key reason is that MMFs have come to play an essential role in determining US dollar funding both in a secured repo market and an unsecured CP market. In other words, interbank lending no longer serves as a significant source of funding for banks. Instead, non-bank institutional investors such as MMFs constitute the most critical wholesale funding providers for banks. The strength of MMFs, not the large, cash-rich, banks, has, therefore, become an essential measure of bank funding conditions.
The wide swings in dollar funding costs, caused by MMFs’ withdrawal from these markets, hampered the transmission of the Fed’s rate cuts and other facilities aimed at providing stimulus to the economy in the face of the shock. With banks’ capacity as dealers were impaired, and MMFs role was diminished, the Fed took over this function of dealer of last resort in the wholesale money market. Interestingly, the Fed acted as a dealer of last resort via its MMLF facility rather than assuming the role of banks in this market. The goal was to put an explicit floor on the CP’s price and then directly purchase three-month CP from issuers via Commercial Paper Funding Facility (CPFF). These operations also have broader implications for the future of central bank financial policies that might include MMFs rather than banks. The Fed’s choice of policies aftermath the pandemic was the unofficial acknowledgment that it is MMFs’ role, rather than banks’, that has become a crucial barometer for measuring the health of the market for dollar funding. Such revelation demands us to ask a delicate question of what precisely the banks’ function has become in the modern financial system. In other words, is it justifiable to keep providing the exclusive privilege of having access to the central bank’s balance sheet to the banks?