The Theory That Predicted Every Major Property Crash In History
The Theory That Predicted Every Major Property Crash In History — And What It Tells Us About Where Cameroon Sits In The Cycle Right Now.
Moma Marick
9/4/20265 min read
In 1879 an American economist named Henry George published a book that should have changed everything.
It did not change everything — at least not immediately, and not as completely as it deserved to. But the idea at its centre, documented with a rigour and historical reach that no serious economist has ever successfully refuted, has quietly shaped the thinking of every investor and analyst who has bothered to understand it in the century and a half since it was written.
The book was called Progress and Poverty. The idea was the land value cycle.
George's central observation was deceptively simple. In every documented case of significant economic disruption involving property markets, the primary driver of the disruption was not buildings, not improvements, not the productive use of land — but the speculative appreciation of land value itself. Land prices, George observed, had a consistent tendency to rise faster than economic fundamentals could justify during periods of growth, driven by speculation rather than productive demand, until the gap between what land cost and what it could productively generate became too large to sustain. At that point the correction arrived — sharp, painful, and in retrospect entirely predictable to anyone who had been watching the underlying pattern rather than the surface-level optimism that always accompanied the peak.
George wrote this in 1879. He was describing a pattern he had observed across American economic history up to that point. What neither he nor anyone else could have known in 1879 was that the same pattern would repeat itself with remarkable consistency across the following century and a half — in the American property crash of 1929, in the Japanese real estate collapse of 1991, in the Asian financial crisis of 1997, in the global financial crisis of 2008 — each time preceded by the same sequence of genuine expansion followed by speculative excess followed by inevitable correction.
The pattern is not a coincidence. It is a structural feature of how land markets work in the absence of sufficient regulatory constraint on speculation.
Understanding it begins with understanding the four phases of the property cycle.
The recovery phase follows every correction. Land prices are low — often irrationally low, reflecting the overcorrection that always accompanies a crash. Confidence is absent. The investors who lost money in the preceding downturn are the loudest voices in the market, and what they are saying is that property is dangerous, that the market is broken, that the correction has fundamentally changed the investment calculus. This is precisely when the fundamental value of well-located land is most disconnected from its market price — and therefore when the patient, informed investor has the best available entry point.
The expansion phase follows recovery. Genuine economic demand reasserts itself. Population growth, income improvement, and infrastructure investment begin driving real increases in the productive value of land. Prices rise — but they rise because the underlying fundamentals are improving, because real people need real housing and real commercial space, not because speculation is pushing prices beyond what the market can sustainably support. This is the phase where genuine, sustainable wealth is built. Entry during genuine expansion captures the full arc of appreciation without the speculative risk that characterises the next phase.
The hypersupply phase follows expansion. Construction accelerates beyond what genuine demand requires. Speculative buyers — investors purchasing not for productive use or genuine income generation but for anticipated price appreciation — begin to dominate the market. Land prices detach from their productive value and begin rising on momentum rather than fundamentals. The gap between what land costs and what it can generate begins to widen in ways that informed analysis makes visible but that market optimism consistently obscures. This is the phase where the seeds of the next correction are planted — visibly, to anyone watching the right indicators, though rarely acknowledged until after the correction has arrived.
The recession phase is the correction. It arrives when the gap between speculative price and productive value becomes too large to sustain. Overleveraged investors cannot service their debt. Construction that was started in anticipation of demand that never fully materialised sits empty or unfinished. Prices fall — sometimes sharply — until they reconnect with the fundamentals they detached from during the hypersupply phase. The cycle resets. Recovery begins again.
This sequence — recovery, expansion, hypersupply, recession — has repeated in every documented property market across every era of recorded economic history with enough consistency that Fred Harrison, the British economist who studied the cycle most extensively in the modern era, was able to use it to predict in 1997 that the next major global property crash would arrive around 2008. He was not wrong by a significant margin.
The cycle is not a prediction tool in the sense of telling you exactly when each phase will begin and end. Markets are too complex and too influenced by policy intervention for that level of precision to be reliable. What the cycle is, used correctly, is a diagnostic tool — a framework for reading where a market currently sits relative to the phases it has already passed through and the phases it has not yet reached.
The diagnostic question is not whether prices are rising. Prices rise in expansion and in hypersupply — the direction of movement alone tells you nothing useful. The diagnostic question is what is driving the price movement. If prices are rising because population growth and urbanisation are creating genuine demand that the existing housing stock cannot meet — if incomes are growing and infrastructure investment is expanding the productive value of well-located land — you are reading the signs of genuine expansion. If prices are rising because speculative buyers are purchasing ahead of demand they expect but that has not yet materialised — if construction is accelerating beyond what current absorption rates justify — you are reading the signs of hypersupply.
Those two situations look similar from the outside. They produce entirely different outcomes for the investor who enters them.
Now apply this diagnostic framework to Cameroon.
The price growth in Cameroon's major property markets is being driven by genuine demand. In Douala and Yaoundé, in Bafoussam and Buea, in Kribi and Limbe and Bamenda, the fundamental drivers of property value — population growth, urbanisation, income improvement, infrastructure investment — are all present and all moving in the same direction. The housing deficit is structural. The demand is not manufactured by speculation. The construction activity, while significant in some corridors, has not come close to outpacing the genuine need for quality residential and commercial property.
These are the indicators of genuine expansion. Not the speculative excess of the hypersupply phase. Not the depressed valuations of the recovery phase. The genuine, fundamentals-driven price growth of a market in early to mid expansion — the phase that historically produces the most sustainable returns for investors who enter it and hold through its duration.
The cycle does not care whether you understand it. It moves according to its own logic regardless of whether any individual investor is paying attention. The investor who reads it correctly — who enters during genuine expansion, holds through the uncertainty of the middle of the cycle, and exits before the speculative excess of hypersupply takes hold — is rarely wrong over a long enough time horizon.
Henry George identified this pattern in 1879.
One hundred and forty-six years later it is playing out in Cameroon.
The investor who understands the cycle is already asking the right questions. The investor who does not is asking whether the market feels safe — which is the question that, historically, is asked most confidently at exactly the wrong moment