This episode is part of our “Wisdom in Books” series and podcast. Every week we inspire your reading with an exclusive author interview or John’s takeaways from an influential book on investing, business, or life.

This episode is entitled, “Lessons from ‘Capital Returns’, the Classic by Marathon”.

I am delighted to share this new recording with you, as Capital Returns has been hugely influential in shaping my investment philosophy. The book is truly a “must read” for every investor aspiring to long-term greatness.

In this Part One of our two-part series, I take you on a journey through capital cycle theory, as masterfully articulated by Edward Chancellor and London-based Marathon Asset Management.

In Part Two, we will apply capital cycle theory to today’s market environment, seeking to identify exceptional opportunities in capital-starved industries.

Experienced investors know that markets are more than just numbers on a screen — they are living cycles of boom and bust. Capital Returns: Investing Through the Capital Cycle, edited by renowned financial historian Edward Chancellor, shines a spotlight on one of the most fundamental yet underappreciated forces behind those cycles.

The book compiles a decade’s worth of investment essays from Marathon Asset Management, a London-based value firm, offering an insider’s look at how capital flows within industries can make or break investment returns. Far from a typical market chronicle, Capital Returns provides a rigorous framework for investors seeking an edge in understanding market dynamics. Its significance lies in distilling how the ebb and flow of capital — into steel mills, oil wells, tech startups, you name it — ultimately governs competition, profitability, and long-term value creation.

For portfolio managers and value aficionados, the capital cycle framework isn’t just theory; it’s a practical lens for spotting opportunities and risks that traditional analysis might overlook.

At the heart of the book (and our podcast discussion) is the capital cycle concept. Put simply, the capital cycle theory observes that high returns attract excessive capital, which eventually drives returns down, while poor returns repel capital, sowing the seeds of a future recovery. In other words, when an industry is enjoying fat profits and rosy growth projections, companies and investors tend to flood it with money — new entrants, expanded capacity, ambitious projects — until competition and overcapacity inevitably erode those profits. Conversely, when an industry is in the doldrums with abysmal returns, capital investment dries up: weaker players exit, projects get canceled, and supply shrinks, paving the way for the survivors’ fortunes to improve.

This supply-driven feedback loop leads to a powerful mean reversion in economic outcomes. Excess success plants the seeds of its own demise, just as hardship plants the seeds of resurgence. It’s a sophisticated twist on classic boom-bust wisdom, rooted in supply-side economics for investors. Chancellor quips that many analysts fixate on demand trends while ignoring supply, “which is what drives the capital cycle.” By refocusing on metrics like industry capacity, capital expenditure, and competition, investors can anticipate inflection points that others miss. Think of Joseph Schumpeter’s “creative destruction,” but with a balance sheet twist — capital rushing in where it shouldn’t and fleeing where it’s most needed, time and again.

Why should intelligent investors care about this framework? Capital cycle analysis offers a contrarian roadmap to navigate market manias and slumps. Traditional value investing often emphasizes buying cheap and avoiding hype, and the capital cycle provides tangible criteria to do just that. For example, Chancellor notes that following the “trail of investment” can help identify bubbles before they burst. History bears this out: the late-1990s dot-com frenzy and the mid-2000s housing boom were each marked by a surge in capital spending (on telecom networks, new homes, etc.), foreshadowing eventual glut and collapse.

Marathon’s insight was to “avoid sectors where investment is unduly elevated and competition is fierce, and instead seek out areas where capital is scarce and conditions are favorable.” In practice, this meant often being early — venturing into out-of-favor industries that everyone else had given up on — and steering clear of the hot sectors du jour. It’s a strategy requiring patience and independent thinking.

Capital Returns is particularly relevant now, after a long era of cheap money and expansion. As the cost of capital rises again, we’re witnessing the pendulum swing: previously neglected sectors (energy, shipping, basic materials) are becoming attractive as capital expenditure there remains cautious, while some once-booming corners of the market face sobering realities. The book’s lessons serve as a timely reminder that fundamentals eventually matter — exuberance fades, and industries with disciplined investment tend to reward investors in the long run.

In our podcast discussion, we delve deep into these themes, unpacking both the theory and its real-world implications. You’ll hear how Marathon Asset Management applied the capital cycle lens across a range of industries and market regimes, and what they learned over years of trial and error. Key themes include the universality of the capital cycle (from beer breweries consolidating globally, to banks overeagerly expanding credit, to even the rise and fall of cod fishing and wind farms), and how recognizing those patterns can give investors an edge.

We explore why growth vs. value is not a black-and-white distinction — a fast-growing company can still be a great investment if industry supply remains constrained, just as a statistically “cheap” stock can be a trap in an overcapitalized sector.

Another focal point is the role of management: capital cycle investing isn’t just about industries in the abstract, but also about CEOs and boards making savvy (or foolish) capital allocation decisions. Good management can resist the siren song of empire-building and return cash when projects don’t promise adequate returns, whereas bad management may squander advantage by chasing scale at the wrong time.

The episode also touches on how this framework shed light on financial crises — for instance, how surging loan growth and balance-sheet expansion in mid-2000s banking was a red flag well before 2008. We discuss the aftermath of that crisis too, examining the era of “living dead” zombie companies propped up by low rates, and how an investor might distinguish temporary distortions from permanent impairments.

We connect the dots to emerging markets, investigating the paradox of why regions with rapid economic growth (like China in the 2000s) often delivered poor stock returns because endless capital funding kept competition high and returns low.

Below is a breakdown of the major discussion segments in the podcast:

• Why Capital Returns Matters: Background on the book’s origins and why understanding the capital cycle is crucial for savvy investors. We set the stage by highlighting Chancellor’s involvement and Marathon’s unique perspective, framing the capital cycle as an indispensable tool in a value investor’s toolkit.
• Defining the Capital Cycle: An explanation of the capital cycle framework. We discuss how capital flowing into booming industries eventually undermines returns, and how capital exiting distressed sectors plants the seeds for recovery. This segment uses simple examples (including Chancellor’s “widget manufacturer” story) to illustrate the boom-bust mechanism from a supply-side angle.
• Marathon’s Lens and the Supply-Side Focus: Insight into Marathon Asset Management’s contrarian approach. We talk about how Marathon “followed the money” — tracking industry capital expenditures and capacity — to spot bubbles and opportunities. Real historical cues, like 1990s tech capex and 2000s housing construction, are mentioned as evidence of why this lens works when traditional demand-focused analysis falls short.
• Revisiting Growth vs. Value Through Cycle Dynamics: An exploration of how capital cycle thinking blurs the line between growth and value investing. Here we examine Marathon’s argument that what really matters is industry economics and competitive behavior, not the usual growth/value labels. For example, a high-growth company in a disciplined industry might earn superior returns (and be worth a premium), whereas a “cheap” company in a hot, crowded sector can disappoint.
• Case Studies Across Industries: A tour through diverse industries to see the capital cycle in action. We highlight stories from the book’s essays – such as the global beer brewery consolidation saga that initially hurt returns before rationalizing, the cyclical swings in commodities and mining, and even niche cases like cod fisheries or wind turbine manufacturing. These cases demonstrate that the capital cycle is a universal phenomenon, cropping up in any sector where investment surges or evaporates.
• Management Matters — Capital Allocation in Practice: Discussion of the human element in the capital cycle. Using examples like Finland’s Sampo under CEO Björn Wahlroos (a Marathon favorite), we illustrate how astute management can navigate cycles by curbing expansion at the peak and deploying capital at the trough. Conversely, we look at cautionary tales of CEOs who became overconfident empire-builders, only to destroy shareholder value when the cycle turned. This segment reinforces why evaluating management’s capital allocation discipline is a critical part of the investor’s analysis.
• Financial Sector Cycles and “Accidents Waiting to Happen”: An analysis of how the capital cycle framework applies to banks and financial services. We recount how Marathon’s letters warned of excessive loan growth and leverage in the mid-2000s (especially in European banks) as an “accident waiting to happen.” In this segment, the discussion shows that rapid balance sheet expansion in banking follows the same boom-bust logic: easy credit and aggressive growth precede credit busts and losses. By viewing the 2008 financial crisis through a capital cycle lens, we gain a deeper understanding of how to spot systemic risks early.
• Post-Crisis Aftermath – The Living Dead: Examination of the unusual post-2008 environment, where massive monetary easing kept many struggling companies alive (the “living dead” or zombie firms). We discuss Marathon’s observations on how ultra-low interest rates and bailouts distorted the natural capital cycle, preventing the usual cleansing of the bust. This part of the conversation tackles the challenge for value investors in distinguishing between temporary market distortions and true value opportunities in the aftermath of a bust.
• Emerging Markets and the China Syndrome: A deep dive into emerging market growth stories through the capital cycle perspective. Focusing on China as a prime example, we explore the puzzle of high GDP growth paired with poor equity returns. The segment explains how relentless capital investment in booming economies can lead to overcapacity and low returns on equity, underscoring the book’s lesson that economic growth alone doesn’t guarantee investor profits. We also touch on historical parallels in other emerging markets to show this is a recurring theme.
• Wall Street’s Role at Cycle Extremes: A lighter but insightful look at how market euphoria manifests in corporate finance activity. Drawing on the book’s satirical essay about Wall Street, we discuss signals like flurries of IPOs, frenzied M&A deals, and even the pace of share buybacks as markers of where we might be in the cycle. When investment bankers are busily taking companies public or orchestrating mega-deals, it often coincides with market tops, whereas shareholder-friendly actions like buybacks tend to appear after downturns. Recognizing these patterns can help investors gauge sentiment and avoid being swept up in late-cycle hubris.

In the soon-to-be-published Part Two, we will apply capital cycle theory to today’s market environment. We will highlight sectors (such as energy and shipping) that appear to be on the favorable side of the capital cycle — where years of underinvestment may be setting the stage for strong returns. We will also caution about areas where capital has been pouring in aggressively.

This Part One of our two-part series was recorded on March 13, 2025.