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posted on 08 October 2015

Redemption Risk Of Bond Mutual Funds And Dealer Positioning. Fifth In A Six-part Series.

from Liberty Street Economics

-- this post authored by Tobias Adrian, Michael Fleming, Or Shachar, and Erik Vogt

Market participants have recently voiced concerns that bond markets seem to become illiquid precisely when they want to sell bonds. Some possible reasons for a decline in corporate bond market liquidity in times of stress include the increasing share of corporate bond ownership by mutual funds and the reduced share of corporate bond ownership by dealers. In this post, we examine the potential effects of outflows from bond mutual funds and the role of dealers' positioning in corporate bonds.

Mutual Funds' Increased Ownership of Corporate Bonds

The chart below shows that mutual funds now own more than 20 percent of outstanding corporate bonds, up from only 4 percent in 1990. The surge in mutual fund ownership has been particularly rapid since 2010, just after the end of the global financial crisis.

Corporate Balance Sheet

This development suggests that the channels of credit intermediation have changed since the financial crisis. Before the crisis, shadow credit intermediation was widespread, involving maturity transformation by money market funds that funded credit. After the crisis, money market fund investments in credit vehicles such as asset-backed commercial paper conduits shrank sharply. Today, money market funds invest in government securities to a larger extent, and market-based credit intermediation has shifted to mutual funds. While credit intermediation by mutual funds still involves some maturity transformation and is therefore labeled shadow credit intermediation, mutual fund maturity transformation is far smaller than the maturity transformation of lengthy shadow credit intermediation chains, which were common before the crisis.

While credit intermediation chains have shifted and shortened, the growth in corporate bond issuance has been robust. The growing size of credit intermediation via corporate bonds can be seen in the next chart, which plots the amount of corporate bonds outstanding. Growth slowed somewhat after the crisis, but has remained positive, with the amount outstanding reaching nearly $12 trillion.

<img class="asset asset-image at-xid-6a01348793456c970c01b7c7d7a45c970b img-responsive" alt="LSE_2015_corporate-balance-sheet_adrian_ch2" title="LSE_2015_corporate-balance-alt=" corporate="" balance="" sheet"="" data-cke-saved-src="" src="" style="border-width: 0px; border-style: initial; margin: 0px; padding: 0px; font-size: 0px; color: transparent; vertical-align: middle; width: 460px;">

Increasing Redemption Risk?

Mutual funds' increased role in the corporate bond market has raised concerns about redemption risk. When mutual funds are subject to large redemptions, they can be forced to sell some of their holdings, which can cause price declines, especially for relatively illiquid bonds. Adverse pricing conditions in secondary markets can in turn lead to a deterioration of primary markets. Redemption risk is reinforced when redemptions are correlated across funds.

Despite such concerns, redemption risk in bond mutual funds does not appear to have increased. The chart below plots net bond fund flows (fund share purchases minus fund share redemptions) as a fraction of corporate bonds outstanding. While net flows were very negative at the height of the financial crisis (2008:Q4), the volatility of the flows does not seem to be increasing over time.

Corporate Balance Sheet

The Fund Flow-Performance Relationship

Even though redemption risk seems not to have increased, the price riskiness of corporate bonds could have increased owing to self-reinforcing dynamics: when adverse news generates lower returns, redemptions might force mutual funds to sell assets, which might reinforce the negative returns, thus generating additional redemptions. The fact that negative returns tend to be followed by net bond fund redemptions can be seen in the next chart. Conversely, positive returns tend to be followed by net bond fund purchases. This gives rise to a positive flow-performance relationship.

Corporate Balance Sheet

The flow-performance relationship for equity market mutual funds is generally found to be convex: strong positive performance tends to generate an increasingly strong response of flows (see Chevalier and Ellison 1997). In contrast, for bond funds, Goldstein, Jiang, and Ng 2015find a concave relationship, so that flows react more strongly to returns when returns are low. The concavity is more pronounced for illiquid bonds, and is stronger when market returns are negative. Moreover, the flow-performance relationship for bond funds is both statistically and economically larger than that for equity funds. These results suggest that the illiquidity of corporate bonds may generate incentives to sell quickly in response to bad news, which might amplify adverse price changes. These incentives might also give rise to self-reinforcing redemption dynamics as investors might anticipate that it pays to redeem early. In equilibrium, redemption risk might lead to higher secondary market volatility and more costly corporate bond intermediation.

The Declining Role of Dealers

By dealers, we refer to the security brokers and dealers that make markets in corporate bonds and other securities that trade over the counter. Dealers trade securities on behalf of their customers and for their own account, and use their balance sheets primarily for trading. They play a potentially important role in corporate bond and other markets as they can absorb sales by mutual funds, absorbing temporary supply-demand imbalances and thus potentially stabilizing prices.

In contrast to the increasing share of corporate bond ownership by mutual funds, the share of corporate bond ownership by dealers has declined in recent years. Dealers' ownership share averaged 2.6 percent from 1990 to 2009, but fell to an average of just 1.3 percent from 2010 to present. The declining share raises the concern that dealers may no longer be able to absorb selling pressure when redemptions force mutual funds to sell.

Corporate Balance Sheet

Do dealers absorb aggregate bond mutual fund selling pressure?

In order to gauge whether dealers are buying when bond funds are selling, or vice-versa, we regress bond fund flows on past returns and the change in dealer corporate bond positions. The sign (plus or minus) and statistical significances of the regression results are reported in the table below.

Corporate Balance Sheet

The three columns correspond to three regression specifications. The first column confirms the positive flow-performance relationship discussed above: bond returns highly significantly forecast future asset flows into bond funds. The second column adds as an additional variable the negative bond returns (the variable is zero when bond returns are positive). The second regression shows that the flow-performance relationship is almost entirely driven by the weeks following negative bond returns.

The key insight comes from specification (3), which shows that dealer positioning tends to evolve in the same direction as bond mutual fund flows, suggesting that dealers aren't absorbing the aggregate selling pressure of bond mutual funds. In unreported regressions, we do not find any evidence of nonlinearity in the relationship between dealer positioning and bond mutual fund flows. Hence we conclude that the falling ownership share of dealers in the corporate bond market is unlikely to exacerbate redemption risk.

In Sum

Mutual funds' share of corporate bond ownership has increased sharply in recent years, while dealers' share has declined substantially. Because mutual funds are subject to redemption risk, this shift in ownership patterns raises the concern that redemption risk might have increased. However, we find no evidence that the net flow volatility of bond funds has increased. Likewise, we uncover no evidence of contrarian behavior by dealers relative to bond fund flows. Therefore, even if we do observe large mutual fund redemptions in the future, our evidence does not suggest that reduced dealer positions will exacerbate the effects on corporate bond pricing and liquidity.


The views expressed in this post are those of the authors and do not necessarily reflect the position of the Federal Reserve Bank of New York or the Federal Reserve System. Any errors or omissions are the responsibility of the authors.


About the Authors

 Tobias AdrianTobias Adrian is the associate director of research and a senior vice president in the Federal Reserve Bank of New York's Research and Statistics Group."

Michael FlemingMichael Fleming is a vice president in the Bank's Research and Statistics Group.

Or ShacharOr Shachar is an economist in the Bank's Research and Statistics Group.

Erik VogtErik Vogt is an economist in the Bank's Research and Statistics Group.

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