Wednesday, January 1, 2020
Inflation, Unemployment, GDP and USD Index Statistics: What can we really believe?
Global Debt Watch: $126.5 Trillion and Counting
Wednesday, May 22, 2013
Money, Credit and Collateral: Why Quality and Value Matter
The debate over liquidity deconstructed: creation of quality collateral is not sustainably possible via asset inflation schemes. Value and valuation cannot be consistently gamed and subverted.
A primary systemic risk in the 2007-8 financial crisis was relatively poor collateral underlying highly leveraged instruments. When interest rates rose due to Fed tightening after a sustained period of artificially low rates, those instruments became distressed once a negative equity condition was reached, and perhaps even prior to that condition, based on market anticipation. Duration mismatch for spread bets (borrowing short and lending long) was also an oversubscribed game, adding significant systemic risk. The evidence of these dynamics can be found in the growth of the collateralized debt obligation (CDO) and the repurchase agreement (repo) markets, among other related structured finance, debt and funding/financing markets, including mortgage backed securities (MBS), commercial paper, auction rate securities, etc. - this growth was geometric with a pronounced flare toward the 2007-8 crashes. The growth in these markets coincided with significant inflation in housing and commercial real estate, among other asset classes, and can be characterized as part of the "liquidity" bubble that fueled the asset price inflation, leading to unstable financial conditions, namely a catastrophic failure of structured financial instruments backed by inflated assets that ultimately provided the fuel to ignite other systemically wide failures. In short, parts of the financial system went from highly liquid to illiquid. The same trend occurred in Europe post-2008: from 2008-11 there was a pronounced growth in their CDO and repo markets, and inflation of similar asset classes, as well as sovereign debt. I have covered the data on these clear historical events in prior posts here, located below.
Post crises, the CDO, commercial paper, ARS,..etc. and repo markets were drained substantially and today they are reportedly nowhere near their peaks. What has not abated: the continued issuance of sovereign debt and MBS, setting records [1] in debt outstanding. Corporate debt issuance, both investment grade and high yield, are at record highs [2].
There is a prevailing school of thought that the Fed and other central banks must pump up this liquidity once again, in the case of the Fed by buying Treasurys and MBS (quantitative easing, or QE), and by leading the drive to a zero-bound interest rate environment (ZIRP). This has led to a record growth in the adjusted monetary base (AMB). As I pointed out HERE earlier in the year, this has not yet led to a growth in the velocity of money (VoM) as measured, but it most certainly has and is leading to asset price inflation across many asset classes, namely the U.S. equity and debt markets, which are sharply pegging new highs as I write this missive. In point of fact, all debt markets and related equity proxies are enjoying record price inflation as a result of Fed interventions, investor scrambling for yield/returns in a record low rate environment, and trend trading/chasing by market participants. Indeed, the pendulum has swung in the other direction, and there is even talk of pushing real interest rates further negative.
What has given the Fed license in part is the claim that broad inflation is low. However, traditional quantity theory of money (QTM) measures are not providing a useful tool for gauging inflation, particularly asset price inflation, and more to the point, the various funnels of hot money flow as a result of Fed policies and the reaction of market participants to its endogenous lead. QTM monetary measures do not accurately capture newly created monetary equivalents or credit money, or hot money flows. The Fed stopped reporting M3, which tracked repo and Eurodollar flows in 2006, and it has not been replaced by an improved metric. Liquidity as measured by new money equivalents, credit money and hot money flows that lead to asset price inflation are not part of any tracked metric. The AMB and excess bank reserves do not clarify the entire picture, and snippets such as margin debt have limited use, though these measures are again at the peak levels seen in 2000 and 2007. The view of some is that we remain in a "liquidity trap," that there is a dearth of borrowing and a propensity toward deflation. The reality is that we are coming off a significant era of inflation through disinflationary deleveraging, with a Fed providing a growing liquidity floor that has led to those funnels of hot money flow, record debt issuance by corporations and the sovereign, and asset price inflation. By inflating assets, collateralized debt and derivative instruments and collateralized funding markets become unstable if those instruments and markets are backed by inflated assets - enhanced by risks such as interest rate (duration) risk, among other risk factors. No amount of gaming or subversion of value and valuation of those assets will change this outcome. This is not sustainable, and nor is the issuance of "quality" debt at record low and lower rates. Broad real economic growth has been stagnant in the era of driven ZIRP, with asset price inflation providing a cheap high that has further systemic costs.
The point I want to leave the reader with is that the Fed and economic participants cannot create quality collateral via inflation of assets. Yet they keep trying to play this game, over and over. QED
[1] Data on issuance and outstanding levels of sovereign debt can handily be found at SIFMA for U.S. Treasurys and the BIS for ex-U.S. sovereigns. Data on issuance and outstanding levels of U.S. and Eurozone MBS and other structured debt instruments can also be found at the SIFMA link.
[2] Data on issuance of U.S. and ex-US corporate debt can be found at the SIFMA and BIS links above. The strong upward trends to net issuance and amounts outstanding are quite clear from 2010-12, with 2013 likely setting new records.
Saturday, May 4, 2013
A Black Swan in the Interest Rate Markets
A sharp, uncontrolled rise or discontinuity in interest rates can have systemically wide risk costs.
Stay Tuned...
Thursday, January 31, 2013
Why Investors Need New Markets
Can investors trust the financial markets, notably the public equity, options, futures and debt/credit markets? The short answer is: No. Why? Here are just a few salient reasons, in no particular order:
- Rumors for Profit. With daily rumors running amok in the financial media and elsewhere, many investors are left vulnerable by this mill, controlled by those who have the power and perch to create and disseminate false or misleading information, and a conflict of interest, in that they can profit from the trade.
- Government Intervention. With the Federal Reserve buying $1Trillion+ of Treasury and Agency/MBS debt in 2013, not to mention an open-ended mandate to increase that figure or buy up other outstanding debt, markets are manipulated, become dependent, and do not adequately factor risks from such dependencies. Moral hazard has taught the Main Street investor that those who take inordinate risks from the flow of cheap money at the top and lose will be bailed out, at Main Street’s expense. With U.S. net leverage at a 6-yr high, these inordinate risks are a red flag.
- Dishonest Money/Asset Management. The Main Street investor is repeatedly told to put money into the public markets, even at cyclical/secular tops, on the pretense that not to do so will result in a lost opportunity. The latest cheerleading comes from such Wall Street investment banking and asset management characters as Lloyd Blankfein of Goldman Sachs and Larry Fink of Blackrock, two recipients of the bailouts in 2008/9.
- Understated Counterparty Risks. In public financial markets, investors are exposed to counterparty risks whether they want that exposure or not. These risks range from undercapitalized market makers to highly leveraged speculation to overdependence of Ponzi Finance. Counterparty risks such as these were largely responsible for the failures in the financial system in the 2008 credit/housing market crises (for excellent references, see HERE, HERE and HERE). Underpriced risk on credit/debt instruments due to misstated ratings by market sanctioned rating agencies was, and still is, a factor.
- Inefficient Price Discovery. When there is less transparency in a market, prices will not have absorbed hidden or less known information and become more unpredictable. Transparency includes knowing who is on the bid/offer and who makes the buy/sell. Less liquid markets will also show wide price spreads, as the market makers seek to pad the uncertainty in those markets with risk premiums. In the worst cases, prices do not adjust to reflect information that has become known to the market: this can happen in the options market, where pricing of the option becomes decoupled from the pricing of the underlying instrument.
- Manipulative Trading. Not all speculative trading is manipulative, and there are positives in markets from the presence and participation of speculative traders, especially if they enable liquidity. However, manipulation can occur from insider trading, as well as large block trading meant to corner markets, affecting price discovery. Eliminating market corners has been as effective as eliminating insider trading. Banning speculative trading has clear negatives for existing electronic financial markets, yet some investors would rather not be in a market with such counterparties and activity, regardless of the positives or negatives, as they (correctly) perceive this activity as gambling in a casino. I will state that I believe that the casino nature of our traded financial markets has existed for well over a century, so this is nothing new.
So how can investors looking for a place to put cash/capital to work avoid these perceived market negatives? My answer: we need new markets. Innovation in new markets and investment opportunities will go a long way toward fending off the negatives that “entrenched” markets have come to acquire. Some will say that new markets will just become entrenched too, so why bother. This defeatist attitude did not hinder those in the past who pushed ahead in the face of adversities to realize new markets that go on to thrive and grow competitively. Here are just a few short ideas, all consistent with the concept of “free markets:”
- Markets that create disincentives for moral hazard, where failures drive out bad counterparties.
- Markets that work around the SEC “Accredited Investor” rule, which shuts out many Main Street investors on lucrative return on investment (ROI) opportunities, all in the name of “consumer protection.”
- Markets that incentivize longer-term investments [most venture capital and private equity investors are relatively long-term, and as “insiders” can obtain higher potential ROIs].
- Markets that build in fault tolerances that are not a result of over-regulation but of design/construction consistent with free markets.
- Markets that spread out risks [note we have to be careful that this does not lead to moral hazard: that the large risk taken by one actor is not borne by all the others, but is proportionally absorbed by that actor].
- Markets that maximize transparency and disclosure of information, and that optimize price discovery.
Critics may reiterate that any new markets will adopt the same market factors as I listed at the top, making it difficult to realize significantly different outcomes. Some critics may state that what I call negative entrenchments are fundamental to any market, and that investors need to learn how to cope with them, investing their money in the available choices and environments. Nonsense. Once again, if we don’t try to innovate and create, and instead adapt to entrenchment, then sure, investors will be served with the same range of outcomes. Limiting choices is what causes entrenched negatives, and only by increasing choices and competition can investors realize a broader range of outcomes, and enable investing in markets that more closely align with investor “value systems:” in short, become value propositions that cause money to shift from one market (the old) to another (the new). Absent new markets and more competition, we face further market entrenchment and stagnation, and even failures from instabilities, such as increased investor disenfranchisement and alienation. It is not impossible to imagine a run on markets that become too hostile to investors. Yet the establishment (read: the mainstream financial media, money/asset management, government regulators) will consistently claim, as they do now, that investors need to get with the program and put their money into existing financial markets, for they have few other choices to earn yield on their money. As I have written previously, this form of financial repression and coercion will backfire, as it always has, historically. Only by increasing choices in markets, and freer choices at that, providing genuine value propositions, can investors demanding trust and other value factors be invigorated. The monopoly to oligopoly financial world we live in is not a fait accompli.
Readers should note that a basic definition for a market is one where participants disagree on value, but agree on price. If investors are limited by what they perceive as value, and refuse to participate in those limited choices, then existing markets may deteriorate unless they have enough participants willing to engage in this basic process. Disappointed participants will simply walk away and hoard cash, or go to any market (even underground markets) that will serve them the process they are looking for: exchange of value at an agreed price. Financial repression and coercion via entrenched market interventions and manipulation are destabilizers. Investors have come to expect and demand more, or they should.
My suggestions for new markets contain many generalities, and need to be focused to allow for specific implementation, particularly in an environment of increasing central planning and regulation. These challenges can be overcome, and I intend on addressing these issues in future articles. I invite readers to add to the suggestions, and to provide specifics on implementation, or simply to provide links to efforts out there that look like they have a chance of success. Only by sharing and proliferating ideas can we start to see a renaissance in our markets.
Saturday, December 29, 2012
The Damage Caused By the Fed's Zero Interest Rate Policy (ZIRP)
Accounting for various inflation measures, the target and daily effective Fed Funds interest rate has been negative since 2009. The Fed has reiterated this so-called "zero interest rate policy" or ZIRP, indefinitely, and additionally has tied further monetary easing measures via bond and asset purchases not only to inflation, but to unemployment, regardless of the lack of evidence that such monetary measures positively affect growth leading to less unemployment. Rates on Treasury Inflation Protected Securities (TIPS) recently hit a record low yield to maturity of -1.496% on 4-year, 4-month issues, forcing the obvious question: Who would buy these things? Evidently, investors are willing to accept getting paid back less than the principal loan at maturity on the expectation that regular payments tied to the government's understated consumer price index (CPI) inflation measure will make up for the negative yield to maturity over the life of the loan - the auction was relatively strong, with a 2.7 bid-to-cover. The likely outcome is that investors will barely break even or lose money, given that inflation and risk will be running higher than expected or as sold to investors.
Creditors and savers lose money in this ZIRP environment, while debtors gain. That has been the goal of the Fed all along, to manipulate the cost of money so as to provide a bailout to all of those debtors, deleveraging or not. The accepted term for this ruse is appropriate: Financial Repression. What the Fed does not admit to is that this practice has significantly skewed the risk-reward for investors willing to lend money, and has created systemic risks tied to the interest rate markets. Both of these side effects have an impact on private investment, and by extension, real economic growth. On a basic level, investors willing to lend money want to see the level of risk tied to the potential reward, as set by market pricing, not as manipulated by a cartel. If that reward has a manipulated ceiling, or has a higher than expected probability of losses (negative reward) due to interest rate dislocations, defaults or other risks not priced in, then investors will shy away from taking any risk at all: they simply will hoard their capital and not lend. We've seen strong evidence of that in the last 3-4 years, as a result of an accommodative Fed feeding overextended debtors looking for a cushy reprieve from the housing and credit market bubbles the Fed helped to create.
Much talk has been made recently about how and when the Fed will proceed to raise interest rates and unwind its growing balance sheet of Treasury and Agency (MBS) securities, bought to keep interest rates artificially low for government borrowing, public mortgage financing and debtor refinancing. Existentially, there is a threat that interest rates could rise without a Fed change in ZIRP: the interest rate markets could dislocate rates higher to more accurately reflect risks. The danger is that dislocation could be severe and lead to significant losses in bonds and in interest rate sensitive securities and derivatives, including currencies. It has been my conviction that the Fed has not quantified this "Black Swan" event or series of events. The severity is potentially very high given the collaterized nature of Treasury and Agency securities within the global financial system, including the repurchase agreement (repo) markets. Rated securities used as accepted collateral experiencing significant sharp losses will have a systemic effect across the system. Critics answer this existential threat by stating that the Fed could simply flood the system with liquidity (printed money), in the magnitude and durations needed to restore stability. This is a fallacy; as I have pointed out in other essays, the Fed is an endogenous (not exogenous) entity, not unlike a large hedge fund, and the belief that it could perpetually print money to save its "system" is as wrong-headed as believing in perpetual motion machines. Trust is not infinite, and Federal Reserve Notes and Treasurys carry risks tied to trust.
Creditors and savers (investors) held hostage by the financial repression of ZIRP have little wiggle room other than to continue to push for changes in the powers carried by the Federal Reserve. Those powers are sold to all of us as a common good, when in fact it has led to an involuntary wealth redistribution scheme, a tax meant to benefit government and politically recruited debtors, with a leveler outcome of stagnant or negative real growth. At its worst, these powers have throttled systemic risks and will continue to do so, instead of unshackling markets and investors to allow for markets to set price levels and risk-reward curves based on supply and demand, and not on politically-motivated cartel manipulations.
Thursday, May 10, 2012
Money Funds and Systemic Risk
Do money market funds (MMFs) pose a systemic risk, and if so, to what extent?
This question is still being asked, with continued calls for federal oversight and involvement in "reshaping" the market.
The problem I see is not in asking the tough questions and discussing solutions to preventing market shocks that would destabilize money funds, but in perpetuating myths/misinformation, proposing potentially damaging solutions, and expecting a federal backstop that can increase moral hazard and risk, not decrease it.
[AUTHOR'S NOTE, Jan. 2013: Since the original writing of this piece in May 2012, no major changes to money funds have been made. Individuals at the SEC had been able to provide rationale against the move to require all money funds to carry a floating NAV, a move that I have argued would have created a mass exodus from these funds, and a destabilization of this class of investment. In essence, money funds carrying a requisite floating NAV would become a short-term bond fund, with the possibility of taxable capital gains, as well as principal loss. For paltry yields, investors would see little value in such funds as a place to park cash, with such consequences from fluctuations. They will pull their money out and store it elsewhere. The value in money funds is stability of principal, and as a place to park cash to be deployed in the future toward other investments. Since the November election, the SEC has changed its tune, suggesting that it will support a forced floating NAV, and other investor unfriendly measures. Both the Treasury and the Federal Reserve have been active in supporting these same punative changes. Let me posit that with some $3T+ in assets in money funds, and a waning velocity of money (VoM), the Fed may see this as a measure to compel or coerce investors toward riskier assets, away from money funds, and in turn a chance to provide a stimulus to the VoM. If this is the motivation, it is misguided, and as I point out, potentially destabilizing, causing unintended consequences. When will the Fed, Treasury and SEC figure out that controlling investors and their money is counterproductive? Let the markets (money funds and their customers) decide. My suggested market-based solutions at the bottom of the original article still stand.]
MMFs, also known as money market mutual funds, or MMMFs, are a mutual fund collection of short-term debt instruments that generally mature in 13 months or less, and carry no FDIC insurance; in contrast, money market banking deposit accounts are covered by FDIC insurance but are considerably limited in coverage. The SEC generally requires a 60-day dollar-weighted average maturity of debt instruments held by MMMFs, along with other amendments it made to Rule 2a-7 in Jan. 2010.
It is useful to look at recent trends in MMFs to gauge scale and scope. The Investment Company Institute (ICI) tracks MMMF size, in terms of assets vs. class. Since Jan. 2008, total net assets of all MMMFs tracked went from ~$3.2T to a peak of ~$3.9T in Jan. 2009, remained plateaued around that level until Mar. 2009, and then steadily decreased to a recent low of ~$2.57T (May 2012). This may be correlated with investors fleeing money mutual funds for riskier but higher yielding assets, such as stocks, which have appreciated substantially as a class since Mar. 2009. Notably, from Oct. 2008 to Jan. 2009, MMMFs gained total net assets at a rapid pace, no doubt correlated with the market selloff of risk assets, but also coincident with the commitment from the Fed to provide a money market investor funding facility (MMIFF), one of many funding facilities seeking to buy distressed assets in exchange for monetary "liquidity."
Since providing the MMIFF and other facilities to money funds, the NY Fed has more recently instituted a reverse repo counterparties list, which is loaded with the major MMFs that carry the bulk of money fund assets outstanding. Ostensibly the stated purpose of this action was to "conduct [a] series of small-scale reverse repurchase (repo) transactions using all eligible collateral types" in an effort to "ensure that this tool will be ready to support any reserve draining operations that the Federal Open Market Committee might direct," meaning to remove liquidity. However, it can also be seen as a mobilization of all major parties to provide even more liquidity, should there be future systemic shocks. Those who follow the Fed's regular H.4.1 releases know that this would mean simply shifting the small liabilities in the RRP line to the assets in the RP line. (The RP line and the asset side of the balance sheet spiked in 2008-9 as the Fed provided repo and other facility loans for qualified assets.)
One issue is that MMFs may see these programs and actions by the Fed, which is not an independent entity but a government-sponsored regulator and policy maker, as an implicit backstop, perpetuating the more general moral hazard problem that led to broader market shocks in 2008. Some at the Fed have recently studied risks to MMFs (cf. E. Rosengren, "MMMFs and Financial Stability"), concluding that actions are needed, but again, there remains the matter as to what effect these actions would have, detrimental or positive.
The MMF "shock" in 2008 can be traced to a single bad actor, the Reserve Fund, breaking the buck as a result of holding toxic Lehman commercial paper, losing investor money in the process as a result of not having a fund "sponsor" to shore up losses. Arguably, this case was an aberration and distortion, and has been overhyped as a rampant problem, when in fact many MMFs did not have anywhere near that type of risky exposure on the books. True, Rosengren cites other cases in his study, and in those other cases the funds in question had a backstop from corporate sponsors to stem losses.
Going forward, the systemic risk issue exists from MMFs taking on excessive credit risks that basically result from "duration mismatch," or the process of borrowing ultra short to finance long (the juiced yields strategy). No doubt this activity breaches risk management standards, and any MMF employing this strategy to entice investors is placing those investors at risk and should be avoided. The question is how likely is this happening now, or to happen in the future on a level that would pose a great systemic risk?
A cursory look at the current holdings of a few major MMMFs show the following [1]:
Vanguard Prime MMF: CDs (3.6%), Commercial Paper (10.7%), Repo (0.4%), U.S. GSE/Agency Debt (24.7%), U.S. Treasury Debt (30.3%), Yankee/Foreign (25.5%), Other/Muni (4.8%); Ave. Maturity: 60 days, Yield (tty): 0.04%, Mgmt Fee: 0.20%, Min Inv: $3K
Fidelity Institutional Prime MMF: CDs (34.5%), Commercial Paper (12.1%), GSE/Agency Repo (21.3%), Other Repo (5.9%), U.S. GSE/Agency Debt (2.7%), U.S. Treasury Debt (16.9%), Other/Muni (6.6%); Ave. Maturity: 43 days, Yield (tty): 0.10% (0.13% 7-day), Mgmt Fee: 0.21%, Min Inv: $1M
Blackrock TempFund Institutional MMF: CDs (39.2%), Commercial Paper (17.3%), GSE/Agency Repo (6.5%), Treasury Repo (1.4%), Other Repo (3.4%), U.S. GSE/Agency Debt (10.9%), U.S. Treasury Debt (9.8%), Time Deposits (4.7%), Other/Muni (6.8%); Ave. Maturity: 51 days, Yield (tty): 0.11% (0.12% 30-day), Mgmt Fee: 0.18%, Min Inv: $3M
Federated Prime Rate USD Liq MMF: CDs (13.3%), Commercial Paper (33.7%), Asset-Backed Securities (0.9%), Bank Notes (4%), Corporate Bonds (0.6%), Bank Repo (23%), Variable Notes (23.1%), U.S. GSE/Agency Debt (0.9%), U.S. Treasury Debt (1%); Ave. Maturity: 31 days, Yield (tty): 0.13% (0.16% 7-day), Mgmt Fee: 0.20%, Min Inv: $25K
This sample includes a major retail fund, two institutional funds, and as a contrast, a large off-shore MMF. (For the U.S. MMF market, according to ICI the split between retail/institutional funds in terms of asset size is roughly 35/65%; Prime funds make up about 55%, with tax-exempt/muni and gov't-only funds split at 11/34%.)
Clearly the portfolio mix of short-term yielding assets of the U.S. MMFs in this sample is quite variable, but this shows that there has been a trend shift from funds holding a greater percentage of commercial paper (particularly asset backed), asset-backed securities and muni debt (variable notes) a few years ago toward Treasury and GSE/Agency debt. MMFs also shifted to holding European debt (via repos and other holdings), but this activity peaked in mid-2011 and declined substantially by Dec. 2011 due to the Euro-debt crisis heat (see Figs. 5/6 in Rosengren's study). Shifting from these higher risk assets has meant a considerable decrease in yield, which in most cases is now a fraction of the management fee of the fund (!). The off-shore fund, from Federated, does have a significant repo exposure, in particular agreements with three major European banks. Fidelity has a significant repo exposure, but backed by GSE/Agency debt.
Let me ask a rhetorical counter-question: with the Fed forcing money yields (short-term interest rates) so low for an "extended" period, are they not squeezing/forcing investors to seek riskier assets, and might that bias lead to a potentially dangerous systemic outcome itself?
Perhaps we need a reminder as to why investors seek MMF positions: nominally it is for capital preservation, a place to park cash safely, but also to collect "low-risk" yield. True, the yield ought to be matched to the risk, and the lower the risk, the lower the yield. With negative real yields, investors are choosing to pull money out of MMMFs, as the data trends show over the last three years. However, there are still investors that demand a place to park cash "safely" and expect capital preservation. That is why I think that the call from numerous sides for the elimination of the stable net asset value (NAV) of MMFs would be a major discouragement to investors who seek stable value capital preservation - if the stable NAV is replaced by a floating NAV investors might choose to pull all their money out of such funds. One could even argue that such an exodus would itself pose systemic risk problems.
So here's a real solution.
- Let the market determine demand and provide a way to supply that demand. If MMF investors want stable NAV, let the industry settle on a way to continue to provide it with clear disclosure of risks. If investors will tolerate a floating NAV in exchange for greater yield/risk, provide that option. Let the market provide the product options/choice - it ought not be dictated by the SEC or the Fed.
- An industry-led voluntary "liquidity fund" or capital buffer fund is a sound way to address MMF "systemic risk" issues that might occur. This would eat into any yield, but it might be worth it to investors looking for stable values and capital preservation, and a way to "insure" it. The business case for this option should be pursued and presented to investors. This solution trumps a TBTF backstop from the Fed and/or Treasury, which costs everyone in the end and leads to greater moral hazard, not less.
I will end this piece by stating that the repo markets pose more of a systemic risk/financial instability concern than MMFs. (See my earlier piece on this HERE.) Though MMF holdings (as least the sample of major USD-based funds above) show a diversity of short-term assets, with repo generally in the minority, Fidelity still holds a substantial set of agreements against GSE/Agency debt, and off-shore funds continue to lend to major European repo counterparties. Counterparty risk, as well as the credit and interest rate risks of the underlying repo collateral assets, are always material. Primary dealers are addicted to the repo markets and it is clear that addiction isn't going away, given the dynamics put in motion by the system (the Fed and other central banks) to keep government borrowing costs low, while providing a steady liquidity stream to players that want to profit on the spreads. We all know what happened to MF Global when it over-leveraged on European sovereigns repo debt. The basis for that over-leverage was that the underlying debt would recover, and it didn't, at least not fast enough. Interest rate risk (and default risk) on sovereign and GSE/Agency debt, including U.S. Treasury and GSE/Agency debt, is not insignificant going forward, and even money funds need to be aware of this.
[1] I obtained MMF portfolio holdings from individual fund sponsor websites. A good place to view rankings and recent liquid yields of MMFs is iMoneyNet.com.