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It is never pleasant to be in the midst of a market correction, but a market correction does operate as a cleanser for excesses that enter into even the most disciplined investors’ playbooks in the good times. This correction has been no exception, as the threat of losing investment capital has focused the minds of investors, and led many to reexamine practices adopted during the last decade. In particular, there has been more talk of earnings than of revenue or user growth this year, and the notion of cashflows driving value seems to be back in vogue. As someone who believes that intrinsic value comes from expected cash flows, I find that development welcome, but I do find myself doing double takes when I see concoctions of free cash flow that violate first financial principles. While I understand that there is no one overriding definition of cash flow that trumps others, it is essential that we define what we mean when we talk about free cash flows, and get perspective on what companies look like, on these cash flow measures.

Free Cash Flows: The What and The Why!

    Free cash flow is one of the most dangerous terms in finance, and I am astonished by how it can be bent to mean whatever investors or managers want it to, and used to advance their sales pitches. I have seen analysts and managers argue that adding back depreciation to earnings gives you free cash flow, an intermediate stop, at best, if you truly are intent on computing free cash flow. In the last two decades, I have seen free cash flow measures stretched to cover adjusted EBITDA, where stock-based compensation is added back to EBITDA, and with WeWork, to community-adjusted EBITDA, where almost all expenses get added back to get to the adjusted value.  I will use this section to clarify what free cash flows are trying to measure, how they get used in investing and valuation, and the measurement questions that can cause measurement divergences.

What is Free cash flow (FCF)?

    I believe that any measurement of free cash flow has to begin with a definition of to whom those cash flows accrue. Since a business can raise capital from owners (equity) and lenders (debt), the free cash flows that you compute can be to just the equity investors in the business, in which case it is free cash flow to equity, or to all capital providers in the business, as free cash flow to the firm.    

In short, the free cash flow to equity is the cash flow that a business generates after taxes, reinvestment and debt payments (interest and principal). The free cash flow to the firm is a pre-debt cash flow, before interest payments and debt repayments or issuances, but still after taxes and reinvestment. An alternate way of describing free cash flow to the firm is that it measures the cash flows that would have been available for equity investors, if there were no debt in the firm, and it is for this reason that some call it an unlevered cash flow.

To measure free cash flows for equity, you have to define reinvestment and debt cash flows, and we do that below on the left.  Note that we start with net income, earnings that is already after interest expenses and taxes, and that we consider reinvestment in both short term assets (change in non-cash working capital) as well in long term assets (as the difference between capital expenditures and depreciation). To complete the calculation, we incorporate the cash inflows that equity investors receive when they issue new debt and the cash outflows from repaying debt

Since FCFF is a pre-debt cashflow, starting with net income which is after interest expenses would be inconsistent. Thus, we start with operating income or earnings before interest and taxes (EBIT) replacing net income. (I know that you can start with net income and add back after-tax interest expenses, but it leaves embedded other items that can create distortions in FCFF). The taxes that are netted out from operating income are not actual taxes paid (accrued or cash) but hypothetical taxes, on the assumption that all of operating income would be taxed, in the absence of interest expenses (since you are working as if you have no debt), but the reinvestment in long term and short term assets is identical to the calculation used for FCFE. 

Estimation of FCFE

    If you have to compute the FCFE for a firm, you can see that every item that you need for the calculation should be accessible in its statement of cash flows, and there seems to be little room for disagreement. However, you will wrestle with what items to include and which ones to exclude, when computing the FCFE for a firm. To illustrate, we have used the statement of cash flows for Microsoft for the 2021 fiscal year (from July 2020- June 2021) as the basis for computing its FCFE in the figure below:

Source: Microsoft Annual Report for FY 2021 (Year ended June 2021)

To estimate the FCFE, I start with net income and add back depreciation & amortization and non-cash gains reported during the year. I do not add back stock-based compensation, and will provide a rationale for why in the next section, but I do subtract out the changes in non-cash working capital (provided in broken down form in the cash flow statement, but consolidated in my FCFE calculation). I net out capital expenditures and cash acquisitions, as reported, to get to FCFE prior to debt of $41,901 million. Since Microsoft did not raise any new debt, while repaying $5,504 million in existing debt, the FCFE after debt cash flows is $36,397 million. Another way of presenting this FCFE is to consolidate the working capital, capital expenditure and depreciation items into a reinvestment number ($19,370 million) and net this reinvestment out of net income to estimate FCFE. Estimating the free cash flow to the firm will require leaving the confines of the statement of cash flows and obtaining two numbers from the income statement – the operating income for the company and its effective tax rate, computed as taxes paid divided by taxable income. For Microsoft, this would yield values of $69,916 million for operating income and an effective tax rate of 13.83% in 2021, resulting in a FCFF of $40,879 million in 2021.

As you can see, the FCFE and FCFF share a common foundation, insofar that they are both after taxes and reinvestment, but FCFE adds a layer of cash flows to and from debt that can sometimes make it higher than FCFF and sometimes lower.

Using Free Cash Flows

   While there are facile reasons that you can give for computing free cash flows, including the usual “we don’t trust accounting earnings” and  “cash is king”, calculating it does involve added computations and there are three contexts where free cash flows get used. The first is that is that computing free cash flows for a past period helps in explaining what happened at a business during that period, in operating, investing and financing terms. The second is that it is that the free cash flows that you compute for a past period can be used as the basis for forecasting expected free cash flows in the future, a key ingredient if you are doing intrinsic valuation. The third is to compute the free cash flow as a base to be used to compare pricing across companies, where the market price is scaled to free cash flow, rather than to earnings. Since each of these missions has a different end game, there can be consequences for how we estimate free cash flows in each one; put simply, the free cash flow you compute, if you just want to explain what a firm did last year, can be different from the free cash flow you compute as the base year number for intrinsic valuation, which, in turn, can be different from the free cash flow that you estimate, if you are computing a pricing multiple.

1. Explain the past

    It is true that when investing in a company, it is what happens in the future that will determine whether you make money, but it is also true that to make these future assessments, a good place to start is by understanding what that company has done in the past. Notwithstanding the mission bloat that has bedeviled accounting in the last few decades, where the notion of fair value has distracted accountants, explaining what a company has done in the past, and where it stands now remains the core mission that should animate financial statements. As a believer in cash flows, I have always gravitated to the statement of cash flows as the accounting disclosure that is least contaminated by accounting overreach and the one that best reflects the true operations of a business. 

Note that the statement of cash flows looks at cash flows through the eyes of equity investors, starting as it does with net income and working its way down through investing and financing cash flows, before concluding with an explanation of the change in the company’s cash balance. As you can see in my earlier computation of FCFE for Microsoft, every item that you need for the calculation is in the FCFE, with your key decisions becoming which items not to count (any cash flows to equity, investments in securities etc.) and which ones to include (cash acquisitions, foreign exchange gains or losses etc.)

An intuitive reading of the FCFE is that it is cash available to be returned to equity investors, either in the form of dividends or as cash buybacks. It is the rare firm that follows a residual cash policy, returning its FCFE every year as dividends and/or buybacks. Some firms hold back and return less than they can, for good reasons (buffer against future bad years, set aside to cover investment opportunities) as well as bad ones (managers/insiders control the cash, over priced acquisitions); when they do hold back, the difference adds to their cash balances. Others choose to return more cash than they should be, and funding the difference from cash balances accumulated in the past and in some cases, fresh equity issuances, again for good reasons (a cyclical or commodity company riding out a down phase of a cycle) and for bad ones (inertia, an unwillingness to cut dividends, me-tooism on dividend policy or buybacks).

Companies with negative FCFE start in a hole, and even if they do not return any cash, they will find themselves with declining cash balances and/or new equity issuances, and if they do choose to pay dividends or buy back stock, they will make the cash deficits bigger. This approach of computing FCFE and comparing it actual cash return can be a device that can explain how some companies end up with huge cash balances and why other companies, especially young and money losing, will be dependent on equity infusions to stay alive. 

One of the limitations of focusing of free cash flows to equity is that you can get tunnel vision, since borrowing money operates as a cash inflow, inflating free cash flow to equity. That can explain why a firm with moderate or even below-average profitability can use debt to fund large dividends and buybacks, and to the extent that the firm is borrowing too much, it can dig a hole for itself. Estimating free cash flows to the firm can alert you to this occurrence, since it is a pre-debt cash flow and new debt issuances or repayments cannot alter it. In fact, the free cash flows to the firm, while less intuitive, are the source of cash flows to all claim holders (lenders as well as equity investors):

Mapping out these cash flows can provide a big picture perspective on where a firm’s cash flows are coming from and going, as well as a better assessment of the operating health of its business. It can also provide advance warning of the company’s exposure to downside risk, since the cash flows to lenders (interest and debt payments) are contractually set.

2. Intrinsic Valuation

    In intrinsic value, the value of an asset, business or equity stake in a business is the present value of the expected cash flows on it. Thus, in intrinsic valuation, the free cash flows (to equity or the firm) that you compute for the most recent year or time period is never part of value, but is useful only because it provides a base for forecasting the future. The question of whether you should be estimating free cash flows to equity or to the firm cannot be answered until you decide whether you are valuing just the equity in a business or the entire operating assets of the business.

  • If you are valuing just the equity, you’ll be estimate the free cash flows to equity in future years, and discounting back at the cost of equity, i.e., the rate of return that equity investors can make on other investments in the public market, of equivalent risk.
  • If you are valuing all operating assets in a business, you will estimate free flows the entire firm or business, and discount these cash flows back to today at a weighted average of the costs of equity and debt, with the weights reflecting the proportions of each funding type.

The picture below provides the contrasting uses of FCFE and FCFF in valuation:

With either estimate of free cash flow, the end game is estimating the free cash flows in the future, and the way we compute free cash flows  can be different from when we computed free cash flow for explaining the past. Here are a few reasons why:

  1. Unusual or Extraordinary items: When explaining last year’s cash flows, you should consider all items, even if they are one-time or extraordinary, since they are cash flows. However, if you are computing cash flows as a base for forecasting the future, you should eliminate any items that you don’t expect to recur in the future. Thus, a cash inflow from a one-time divestiture of a division or a cash outflow due to a loss in a lawsuit, though part of free cash flows last year, will be excluded, if you are computing a base-year free cash flow for estimating future cash flows.
  2. Normalized vs Actual numbers: For items that are recurring, but volatile, there is a good case to be made that while you will use the actual values, if computing free cash flows for the most recent year, you should be normalizing them, though the methods you use for normalization can vary across items. With the change in non-cash working capital, a notoriously volatile item on a year-to-year basis, I have found that looking at non-cash working capital as a percent of revenues, and using that statistic to reestimate the change in non-cash working capital in the most recent year provides a better base year foundation. In the Microsoft FCFE calculation, shown in the earlier section, using the historical average of non-cash working as percent of revenues of -10.18% (average from 2012-21), would have yielded a change in non-cash working capital of -$2,552 million in the base year, making it a cash inflow, rather than the outflow of $1,086 million that we attributed to working capital that year. With cash acquisitions, where a company may do only one big acquisition every three or four years, taking a long time series and averaging acquistions over that period will yield a better recurring value.
  3. Stock-based Compensation and Acquisitions: The most hotly discussed item in cash flow estimation is stock-based compensation, in the form of restricted stock or options. A simplistic reading is to argue that is non-cash and add it back, just as you depreciation and amortization, but stock-based compensation is not comparable. While depreciation and amortization are truly non-cash, stock-based compensation is more of an in-kind expense, where you give away shares of equity in the company instead of paying cash. If you are estimate free cash flows (to the firm or to equity), with the intent of valuing that firm, adding back stock-based compensation is equivalent to arguing that you can either stop paying employees in the future (and still hold on to them) or that you can keep giving away equity stakes in your company with no consequences for value per share. In short, there is no justification for adding back stock-based compensation to get to cash flows, and none of the numerous variants of adjusted EBITDA that you see populating annual reports or prospectuses holds up to scrutiny. Using the logic that paying for something with shares, instead of cash, still has an effect on free cash flows, we would argue that a company that plans to grow through acquisitions, using its own stock as currency, is reinvesting, and that this reinvestment should reduce expected free cash flows to equity, to existing shareholders. During the 2021 fiscal year, Microsoft bought Nuance Communications for $19.76 billion in all stock transaction, and that amount should be treated as reinvestment for the year, even though it is technically non-cash.
  4. Taxes: With free cash flows to equity, you start with net income but that net income can be skewed up if the company had a low effective tax rate that year, either because of write offs or losses carried forward into that year, or down, if it faced an unusually high tax rate that year. With free cash flows to the firm, the effective tax rate plays an even more direct role in determining cash flows, when you use it compute your after-tax operating income. In both cases, it makes sense to leave the effective tax rate at its actual level, when computing free cash flows for the past, but to rethink that when your objective is to forecast future free cash flows. I would suggest looking at an average effective tax rate over a longer period, in computing the base year free cash flow, and then also targeting the marginal tax rate, as you forecast taxes for the future. In the Microsoft FCFF calculation, this would imply replacing the effective tax rate of 13.83% with an average effective tax rate of 22%, using the 2017-2021 time period, which would lower free cash flows to the firm.
  5. Accounting Inconsistencies: I have written about the inconsistency in how accountants calculate capital expenditure at firms with significant investments in intangible assets and R&D, and that inconsistency can play out in your FCFE computation. While R&D remains a cash outflow, whether you treat it as an operating or a capital expenditure, moving it from operating to capital expenditures can alter your perception of a company’s operations. In the case of Microsoft, for instance, capitalizing the $20,716 million that the company spent on R&D in 2021, will increase the net income for the company, while also raising the reinvestment by an equivalent amount. Put simply, Microsoft is much more profitable than the accounting statements lead you to believe, while reinvesting more than you thought it was, and both of those conclusions will have implications for valuation

In short, in intrinsic valuation, where your objective is get the best estimates that you can for the future, you have a great deal more flexibility and discretion in which items you include (and exclude) in computing free cash flows, and how you estimate values for those items. If you are wondering whether it makes enough of a difference to bother, consider what Microsoft’s FCFE look like with all five adjustments made to them below:

The capitalization of R&D adds about $3.7 billion to net income, about $17 billion to depreciation and amortization and about $20.7 billion to cap ex, netting out to no effect on FCFE but with significant changes to profits and reinvestment. Incorporating the stock-based acquisition pushed up total reinvestment substantially, though the question of whether this should be built in as a recurrent component will depend on the story you tell about Microsoft.

Pricing

    The final arena where free cash flows can be used is in pricing, and more specifically, in scaling market price. Again, the question of which variants (FCFE or FCFF) can be used depends on whether you are using an equity pricing multiple (where the market cap or share price is in the numerator) or an enterprise value multiple (where it is the market value of operating assets in the numerator):

  • With equity multiples, you can scale the market value of equity (or market capitalization) of a company to its free cash flow to equity, to estimate a Price to FCFE multiple, and offer it as an alternative to the much more widely used PE ratio, where market capitalization is scaled to net income. 
  • With enterprise value multiples, you can scale enterprise value to FCFF, instead of using EBITDA or revenues as your scalar. Again, you could argue for the benefits of a more complete measure of cash flow, but as with FCFE, FCFF will be more volatile than revenues or EBITDA, making it difficult to pass pricing judgment. 

The logic that analysts use for the use of free cash flows is simple and seems compelling. If the value of a business is the present value of its expected cash flows, as we argue in intrinsic valuation, it seems reasonable to also argue that the free cash flow that a business generates is a better measure of its value than the accounting earnings. 

In sum, there is nothing inherently better about using free cash flows instead of earnings in a pricing setting, and you can argue that the additional volatility and loss of perspective that comes with free cash flow numbers yields worse pricing. I agree, with one caveat. Even if you choose to stay with PE ratios, as your pricing multiple, knowing how much of earnings gets reinvested back into the firm is a useful input in making your pricing judgments.

Free Cash Flows: Perspective

    With that long lead in on free cash flows, let us talk about why free cash flows vary across companies and across time. To make the connection, I am going to fall back on a structure that I have used before, the corporate life cycle, to look at the evolution of FCFE, as companies age, and use that structure to also examine how these FCFE play out as cash returned to shareholders, over time.

The Life Cycle Effect

    In a corporate life cycle structure, you trace a business from start-up (birth) to the toddler years (very young businesses) through their teenage years into middle and old age. I have found it useful in explaining why the focus of a business changes from finding investment opportunities, when young, to finessing capital structure, as middle age companies, to deciding how best to return cash to investors, in old age, as well as why the challenges you face in valuation are different for young companies than more mature businesses. The corporate life cycle also provides a framework for explaining how free cash flows evolve, as companies move through the life cycle:

Focusing on free cash flows to equity, you should expect to see negative values, early in the life cycle, as businesses struggle to make money and have to reinvest to deliver on their growth potential at the same time, and a resultant dependence on raising fresh equity capital (from VCs and public market investors) to keep going. As their business models take form, and they turn the corner on profitability, you should continue to see negative cash flows because of the need to reinvest to grow; in general, you should expect to see positive cash flows lag positive earnings. At mature businesses, you should expect to see free cash flows to equity to not only stay positive, but also to grow faster than earnings, and in decline, while earnings will follow revenues on their path down, divestitures and asset sales can allow FCFE to be higher than earnings. To see how net income and FCFE evolve, as a company ages, I computed the net income and FCFE for Tesla every year from 2006 to 2021:

Source: Capital IQ

For much of its existence, Tesla has been a money-losing company, reflecting its young, high growth status. It turned the profitability corner in 2020, though FCFE stayed mildly negative that year, and in 2021, the FCFE also turned positive. In corporate life cycle terms, Tesla is growing up, which is good news in terms of profitability and cash flows but bad news, if growth is what rings your bell.

To see if the corporate life cycle has relevance in explaining differences in free cash flows to equity across companies, I looked at US companies, broken down by age, into ten deciles, from youngest to oldest, and computed each component of the FCFE, by decile:

As you can see in the table, among the youngest companies (in the lowest decile), more than 73% are money-losing and more than three quarters of these companies have negative free cash flows to equity. As companies age, the proportion of companies that are money making increasing, as does the percent that has positive FCFE. In relative terms, the companies in the middle of the corporate life cycle, deliver the highest FCFE as a percent of market capitalization

Dividends and Buybacks

    You can critique FCFE as an abstraction, since shareholders cannot lay claim on them, and argue that it is only cash flows that are paid out to equity investors that count. You could focus just on dividends, but by doing so, you are missing a large proportion of cash returned by companies; in 2021, more than two thirds of all cash flows returned to shareholders were in the form of buybacks. Staying with the corporate life cycle construct, we looked at dividends and stock buybacks by companies in each age decile: 

Consistent with what we unearthed in the FCFE table, where younger companies are more likely to be money losing and have negative FCFE, we see that the a much higher percent of older companies pay dividends and buy back stock than younger companies. In the aggregate, this table suggests that it is the presence or absence of FCFE that drives dividend policy, with most firms that have negative FCFE choosing not to return cash and many that have positive FCFE deciding to return cash. 

Pricing

    Earlier, we noted that there are some analysts who use free cash flows, as a basis for pricing, than for intrinsic valuation, with price to FCFE replacing price earnings ratios in equity pricing, and EV to FCFF taking the place of EV to EBITDA multiples, in enterprise valuation. While there are some cash flow purists who prefer cash flow multiples to earnings multiples, they will never be widely used for two reasons. First, the reason that investors like to price companies, using multiples, is because they have frames of reference on these multiples, i.e., a sense of what a typical number should like like in a sector. With PE ratios, their long history of usage has left investors with frames of reference that they can use, rightfully or wrongfully, in pricing stocks, but with Price to FCFE ratios, there is no such reference frame. Second, as you can see from how FCFE is computed, with the netting out of reinvestment and incorporating debt cash flows, it will always be a more volatile number than earnings, with much of the additional volatility telling you little about current earnings power.

   If one problem with using a price to FCFE ratio to judge whether a stock is cheap and expensive is a lack of perspective on what comprises a high, low or typical value, we can counter this problem by estimating the price to FCFE ratio for every publicly traded company globally and compare the distribution of the ratio to distribution for PE ratios.

Source: S&P Capital IQ

The good news is that the distribution for price to FCFE resembles the distribution for PE ratios, but the bad news is that you are replacing a multiple where you lose almost half the firms in your sample, with PE ratios, with an even more flawed multiple in Price to FCFE, which cannot be calculated in more than 63% of publicly traded companies. Put simply, if you start with a peer group of 25 firms, you may end up with a final sample of 10 firms or less, if you are pricing with a price to FCFE multiple. Moreover, price to FCFE ratios show more divergence than PE ratios, as can be seen in the spread between the first and third quartiles of each one.

    I did the same assessment for EV to FCFF, with the contrast drawn to EV to EBITDA, both to see contrasts and get perspective:

Source: S&P Capital IQ

Not surprisingly, the multiple of EBITDA, a pre-tax and pre-reinvestment cash flows, is lower than the multiple of FCFF, which is post-tax and after reinvestment. While you lose about 42% of firms with EV to EBITDA multiples, where EBITDA is negative, you lose close to 55% of global firms, because of negative FCFF. 

    As a cash flow advocate, it pains me to say this, but if your game is pricing stocks, I see little benefit from replacing traditional multiples (like PE and EV to EBITDA) with free cash flow scaled pricing measures. That is because a single year’s free cash flow (to equity or the firm) actually has more noise in it, and is less informative about a company’s operating health, than a single year’s earnings (net income or EBITDA). 

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