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Factors Contributing to the Decline of Expense Ratios in 2015

By Sean Collins and James Duvall

March 31, 2016

ICI recently released its annual update on the expense ratios of mutual funds, showing expense ratios to be at their lowest levels in at least 20 years. Specifically, equity, bond, and hybrid mutual fund expense ratios all fell in 2015, while those of money market funds remained constant. Because we received a number of requests for additional details, we decided to create this ICI Viewpoints post.

Deconstructing the Asset-Weighted Average Expense Ratio

One issue, which we take up here, is precisely why expense ratios fell in 2015. The numbers we produce are asset-weighted averages across funds in a category. These averages could fall because the expense ratios of individual funds declined, or because fund assets shifted toward lower-cost funds, or both. Other possibilities are that new, lower-cost funds entered the market or that older, higher-cost funds left. So, which reason—or combination of reasons—was it?

To answer this question, we break the asset-weighted average expense ratio down into two components. The first component calculates the amount by which the asset-weighted average expense ratio declined because the expense ratios of individual funds fell. We do this by calculating what the asset-weighted expense ratio would hypothetically be if the expense ratios of individual funds had changed as they actually did between 2014 and 2015 but their assets remained unchanged. 

Suppose, for instance, that the asset-weighted average expense ratio in reality declined by 4 basis points, while the hypothetical average that holds assets constant fell by 1 basis point. This would indicate that the asset-weighted average declined by 1 basis point because the expense ratios of individual funds declined.

The second component is just the difference between the fund’s expense ratio and the first component. In other words, the second component accounts for all other factors that could have affected the asset-weighted average, including assets shifting toward lower-cost funds, higher-cost funds closing up, or lower-cost funds entering the business.

So, continuing with our hypothetical example, if the asset-weighted average fell 4 basis points and 1 basis point of that reflected declines in the expense ratios of individual funds, then the second component—reflecting factors such as assets shifting toward lower-cost funds—would account for 3 points of the 4-basis-point decline.

As it turns out, this analysis provides a mixed picture for 2015, with the results depending on the fund category. The average expense ratio for equity funds fell by 2 basis points in 2015 (see table below). Our analysis shows that this was primarily due to assets moving toward lower-cost funds (and other factors, laid out in the second footnote below), rather than the decline of individual fund expense ratios.

The outcome is similar for bond funds: the asset-weighted average expense ratio fell by 3 basis points, which almost entirely reflected a shift toward lower-cost funds (and other factors).

The results are rather different for hybrid funds. The asset-weighted average expense ratios of these funds fell by 1 basis point, with the majority of this fall—three-quarters of a basis point—attributable to declines in the expense ratios of individual hybrid funds.

Contributions Toward Declining Expense Ratios in 2015
Basis points
 

Expense ratio

     
Category

2014

2015

Total decline

Decline due to lower expense ratios in 2015¹

Decline due to other factors²

Equity

70

68

2

0.20

1.80

Bond

57

54

3

0.05

2.95

Hybrid

78

77

1

0.75

0.25

¹Tabulations are based on a consistent sample where a share class must exist in both 2014 and 2015.

²Other factors include movement to lower-cost funds, opening of new lower-cost funds, and closing of older higher-cost funds.

Note: Expense ratios are measured as asset-weighted averages. Data exclude mutual funds available as investment choices in variable annuities and mutual funds that invest primarily in other mutual funds.

Sources: Investment Company Institute and Lipper

About Half of Equity, Bond, and Hybrid Fund Share Classes Saw Lower Expense Ratios in 2015

Another question we received was, what proportion of individual funds saw lower expense ratios? To answer this question, we had to determine whether or not each individual share class experienced a lower expense ratio. The table below shows the outcome: more than half of all the share classes of equity and hybrid funds saw lower expense ratios in 2015, while slightly less than half (46 percent) of bond funds experienced a decline in their expense ratios.

This means, of course, that about half of the share classes in each category had expense ratios that were either unchanged or perhaps rose a bit. This is not especially surprising. We have frequently noted that the expense ratios of individual funds typically rise and fall with their assets. If the assets in a given fund decline—either because of changes in overall market conditions, or because investors redeem shares, or both—the expense ratio of that fund is likely to rise, and vice versa. And, in any given year, some funds experience increases in assets while others see declines.

Majority of Fund Share Classes Experienced Lower Expense Ratios in 2015
Percentage of total share classes by fund category
 

Percentage of share classes for which expense ratios in 2015:

Category

Fell

Were unchanged

Rose

Equity

52

13

35

Bond

46

17

37

Hybrid

52

14

34

Note: Tabulations are based on a consistent sample where a share class must exist in both 2014 and 2015.

Sources: Investment Company Institute and Lipper

Of course, even as we look at these details, one overarching trend remains clear—the expense ratios paid by mutual fund investors continued to fall in 2015, as they have done for at least 20 years. The reasons for the decline in 2015, as in recent years, reflected a mix of two major factors: first, shareholders continued to shift assets toward lower-cost funds and, second, the expense ratios of some individual funds declined. No matter how you look at it, fund investors overall paid lower expense ratios.

Sean Collins is senior director, and James Duvall is assistant economist, industry and financial analysis, in ICI’s research department.

TOPICS: Bond FundMutual FundShareholder

Cybersecurity at Work: Incident Response Plans and What They Entail

By Peter Salmon

March 21, 2016

In this second posting in our series, I’d like to focus on computer incident response planning. In last month’s post, I mentioned that there are many more data breaches that take place than we are made aware of through the media. These cybersecurity events can affect networks large and small, from large multinational corporations to your own home.

Read more…

TOPICS: CybersecurityOperations and Technology

Yes, Funds Come and Go—Without Government Help

By Todd Bernhardt

March 11, 2016

For several years now, ICI has pushed back against those advocating for bank-like regulations on the asset management industry, pointing out the numerous reasons why regulated funds or their managers are not sources of risk to the overall financial system.

Read more…

TOPICS: Financial StabilityFixed IncomeFund RegulationMutual Fund

The “Waterfall Theory” of Liquidity Management Doesn’t Hold Water

By Sean Collins and Chris Plantier

March 9, 2016

In a series of recent blog posts, economists at the Federal Reserve Bank of New York have discussed new research assessing the potential for bond mutual funds to pose systemic risks.

Read more…

TOPICS: Bond FundBondsFederal ReserveFinancial MarketsFinancial StabilityFixed IncomeInterest RateMutual Fund

Three Reasons Why You Should Consider an IRA

By Sarah Holden

March 8, 2016

April 18 is the deadline to file income tax returns with the federal government this year.

Read more…

TOPICS: Investment EducationMutual FundSavingsTaxes

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