What is the Capital Cycle?
The capital cycle, systematized by Marathon Asset Management, describes how capital flows drive industry profitability in a self-correcting loop. High returns attract investment and new entrants. Eventually, supply exceeds demand, prices fall, and returns decline. Low returns cause underinvestment and exits. Supply tightens, prices recover, and the cycle repeats.
Applying Capital Cycle Analysis
The key signal is industry capital expenditure trends. Industries with surging capex are likely heading toward oversupply and declining returns. Industries where capex has collapsed and competitors have exited may be approaching a recovery inflection point. This framework provides a structural basis for contrarian investing: be cautious when everyone is investing and opportunistic when everyone is retreating.
Real-World Examples
Semiconductors are the classic capital cycle industry. Rising chip prices trigger massive fab construction; 2-3 years later, new capacity floods the market and prices crash. The shale oil boom similarly saw high prices drive massive drilling investment, leading to oversupply and the 2014-2016 oil price collapse. Understanding capital cycles helps investors avoid buying into industries at peak profitability and find opportunities in depressed sectors.