The Cost of Tomorrow

“The price finance puts on time.”

All tomorrows inherently have value, but finance quantifies it like nothing else. This single act of measurement changes how we build, invest, and imagine the future ahead. Why do some ideas survive recessions while others die in the books? Why does patience pay in some economies and get punished in others? Tying the answer together is the metric coordinating time and risk on an Excel document somewhere in the world: Weighted Average Cost of Capital (WACC), illustrating how a spreadsheet decides whose dreams get funded, which highways teem with cars, which pipelines flow, and which cities light up at night.

Understanding WACC

WACC, or Weighted Average Cost of Capital, is the weighted blend of a company’s cost of equity and its cost of debt, adjusted for their proportions in the blend of received funding. This blend of money it receives in form of debt or equity comprises the capital structure. These costs are the minimum, or the reasonable rate of returns each fund provider expects on their capital. However, more than meets the eye, it coordinates risk, time, opportunity cost, and returns. It essentially becomes the interest rate levied on tomorrow, the cost the company pays today in exchange for delivering returns down the line. Every new factory, every new product launch, every investment, whether a mall in Gurgaon or a data centre in Bangalore, WACC helps filter which ambition is to be funded today, tomorrow, or left abandoned in the spreadsheets. Seamlessly, it is slid and packaged into valuations, infrastructural commitments and private equity injections. Henceforth, it seeps into mergers, acquisitions, and the boardroom’s strategic decisions behind closed doors, quietly shaping the world around us. Conclusively, WACC turns every strategic decision into a negotiation with time itself.

When Time Becomes a Cost

In this ongoing negotiation, valuations emerge that pave the way for the future, whether foreseeable or not. Valuations help determine the company’s worth at the present moment by essentially bringing the value of future cash flows back to today’s value through discounting, the converse of compounding. It’s not just about what the company owns, but what it’ll own and make over the years. The resultant figures are essential to fund the right project, merge with the right company, and to bet on the right future.

A large portion of the global valuations, as well as discounted cash flow models, derive their value today from the promises to be delivered tomorrow. Following the quintessential accounting assumption – the Going Concern Concept, projects’ perceived worths or valuations are to be projected into the unforeseeable future that is termed the perpetuity, with the help of WACC. This gives rise to the Terminal Value, representing a project’s long-term earning potential, which usually accounts for 50-80% of the valuation. In massive deals in investment banking, a fluctuation of just 1% in WACC could build upon, or vaporise billions of dollars off the terminal value. WACC, being a pervasive metric in such calculations, further emphasises the price it’s able to make and mend. It may be interpreted as the literal pulse of capitalism; to fund innovation today only if it can outpace our value of time.

To put this into perspective, imagine delaying your retirement corpus savings because “there’s still time”. Over the years, the hidden costs of time, inflation, and opportunity cost erode what could have been. Similarly, corporations face the same issue while being answerable to their stakeholders. Once there is a price assigned to waiting and incubating a project, every day gone by becomes more and more expensive.

Take a well-established FMCG company like Nestle. It would have a lower WACC due to the existence of larger cash reserves, steady and predictable revenue due to the nature of consumer staples, and lower perceived risk would enable it to borrow for much cheaper. Lower WACC companies possess a temporal privilege where they can “afford” to invest in long-term gestation projects, innovation, and sustainability. The clock runs much slower for these giants.

On the opposite end of the spectrum, startups, companies, and sectors that have higher WACC may struggle to get equity shareholders, expecting a higher return proportionate to the risk they now hold. Hence, fixating on short-term profits as long-term projects being shelved due to the capital requirement growing exponentially for the future.

A similar case can be established in cases of economic comparisons and benchmarking. The concept of WACC explains the disparities in the startup ecosystem across the world. Africa struggles to match the pace of the US Silicon Valley, not attributed to a lack of innovation, but rather to time being costlier. Often, this lack of funding leads to a loop-like development crisis, keeping the economy anchored to the ground.

A 1% change in global interest rates, being tied to the debt companies took on in 2022, wiped out over $3 trillion in tech market cap in real time, showing how WACC emerges as a price tag put on patience as a timer to tell companies how much longer they can afford to wait. However, let’s look at cases where this timer turned out to be a ticking time bomb.

The WACC Fallacy

Post the 2008 financial crisis, central banks kept interest rates at an all-time low, effectively minimising the WACC; “the cheap money era”. Assets worth trillions of dollars were bought by Central Banks across the world. Many growth companies were valued and invested in with extremely low discount rates. Growth was rewarded as time was perceived to be “inexpensive”. Inevitably, once the interest rates rose, increasing sectoral WACC, even at the same level of earnings, the valuations plunged, portfolios froze, and projects were delayed.

Another case from the 2000s, when massive conglomerates like Vivendi and GE Capital were aggressively expanding through acquisitions, justifying these multi-billion dollar deals with their window-dressed low WACC, created a ‘cheap capital illusion’. They acquired media, telecom, and internet based startups before the dot-com bubble, which all had much higher risk profiles than visible. Once the facade of high growth and cheap money disappeared, the risk materialised, leading to billions of dollars wiped from balance sheets in the name of “funded optimism”.

Conversely, if firms remain clinging to this “one-size-fits-all” number, they’ll end up overlooking real, impactful and innovative R&D or renewable projects, being deceived by the long payback period. The numbers have to be grounded in reality, constantly being adjusted to risk perception and context. Since valuations suffer from major subjectivity, the compass – WACC cannot double as a map.

As we can draw, MNCs, startups, sectors, and entire economies operate under the constraint of ‘currencified’ time, often trying their best to manipulate or window-dress it.

Private Equity

But if startups and corporations live under said constraint, Private Equity seeks to bend the very cost of time to the best of their ability.

In core finance, PE firms strike a balance between the roles of the patient visionary and the ruthless opportunist. Although private market undertakings, at first glance, seem as lenses insufficient to view WACC and the ideas of the public markets, it is imperative to understand that private decisions mirror current as well as future sentiment of the public. As a PE firm traditionally fixates on IRR’s (Internal Rates of Return) and multiples, the application of WACC as a hurdle rate is rather innate in the private markets. Although the capital aims to achieve a target IRR, it still undergoes an opportunity cost. Every rupee deployed by a PE fund implicitly competes with an alternative use priced by the public market discount rate; WACC. It acts extensively as a calibration tool to assess the viability of investments under varying capital structures, punishing any inefficient capital allocation. This implicit embedding is reinforced by the fact that private companies lack observable market measures of risk and yield. At times, discount rates must be inferred from public comparables; hence, WACC comes in, playing the role of a proxy discount rate.

Empirically, a large portion of PE returns comes not from operational improvement but from small improvements in cash flow or debt repayment schedules, reflected by its entry and exit multiples, the multiple it acquires a company at, to resale for profit, in parts, or its exit into the public market via IPO. Such an acquisition is done in the format of a Leveraged Buyout (LBO), where the firm utilises debt up to 70-80% of the purchase price to drive value, as debt is intrinsically a cheaper approach to funding. If the prevailing borrowing cost falls, leverage becomes abundant as entry multiples rise and deal volume surges. As the industry concentrates exposure at entry and exit points, it experiences and reflects expected discount rates amplified. As such, if the WACC is expected to rise, PE accelerates exits, prioritizes cash extractions and cutting of discretionary investments, and determines its effective holding periods. These decisions act as bets on the market path in the near future, although an LBO model wouldn’t outright mention WACC.

Private equity not only responds to macroeconomic conditions but also reflects them amplified. It shows the extreme ways in which an economy behaves. In an accelerating economy, PE magnifies optimism with rapid expansion and acquisitions. But once WACC rises, it strips and defunds inefficiencies and closes the books on its old projects. This cost of capital acts as a boundary, serving as a basis for risk assessment, capital allocation, and exit decision-making, tying PE opportunities to the opportunity costs of capital that PE sponsors may invest elsewhere. It is capitalism’s shiniest mirror.

Conclusion

WACC is the clock we unknowingly live by. From PE and VC rushing exits to encash their millions to government shelving long-gestation projects, we see how the price of time steers ambition and life. McKinsey found that the average CFO expects ROI in just 3 years, another perception shaped by impatience due to the price levied on time. WACC was meant to quantify risk, not to dictate impatience. It might be time to let loose of that impatience, let innovation thrive, and occasionally, to fail.

Citations

Krüger, P., Geneva Finance Research Institute – Université de Genève, Landier, A., Toulouse School of Economics, Thesmar, D., & HEC Paris and CEPR. (2012). The WACC fallacy: the real effects of using a unique discount rate. https://www.hbs.edu/faculty/Shared%20Documents/events/325/wacc_fallacy.pdf

Damodaran, A. (n.d.). January 2018 data update 6: A cost of capital primer. https://aswathdamodaran.blogspot.com/2018/01/january-2018-data-update-6-cost-of.html

Damodaran, A. (n.d.-b). Myth 5.5: The Terminal Value ate my DCF! https://aswathdamodaran.blogspot.com/2016/11/myth-55-terminal-value-ate-my-dcf.html

Team, C. (2024, November 26). Leveraged Buyout (LBO). Corporate Finance Institute. https://corporatefinanceinstitute.com/resources/valuation/leveraged-buyout-lbo/

O’Reilly, R. (2024, December 11). Unlocking Private Equity Valuation Methods for Investors. CGAA.

https://www.cgaa.org/article/private-equity-valuation-methods

Achleitner, A.-K., Braun, R., & Engel, N. (2011). Value creation and pricing in buyouts: Empirical evidence from Europe and North America. Review of Financial Economics, 20(4), 146–161.

https://doi.org/10.1016/j.rfe.2011.09.001

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