Objection: Oil Shocks, Not Land, Caused the 1970s Recessions

The Objection

The standard economic-history account of the 1973–75 recession is that the Arab oil embargo, launched in October 1973 after the Yom Kippur War, quadrupled crude oil prices (from under $3 to over $11 per barrel) and triggered a global recession that the US National Bureau of Economic Research dates from November 1973 to March 1975.[1] On this view, the oil shock — an external, geopolitical supply shock — is a sufficient and well-identified cause of the downturn, and land or property markets are, at most, a secondary transmission channel.

Why People Worry About This

This is the version of events taught in most economic-history courses and reported contemporaneously: retail gasoline prices rose about 40% in November 1973 alone, and the embargo's timing lines up closely with the onset of recession in the US, UK, and other oil-importing economies.[1] It is a clean, externally-verifiable shock with an obvious transmission mechanism (higher input costs, inflation, reduced consumer spending), and it does not require accepting a contested land-cycle theory to explain the downturn.

The Response

Fred Harrison, writing in The Power in the Land (1983) and later Boom Bust (2010), argues the causal arrow runs partly the other way: land and building-cycle peaks preceded the oil shock rather than following it. Harrison's model dates a land-value/building-cycle peak around 1973, with the postwar cycle "dead on target, 18 years" after the mid-1950s trough — a recession the model would have predicted independent of OPEC (Harrison, The Power in the Land, Ch. 18).[2] Harrison contends oil prices "rose after the economic downturn began," making OPEC's embargo a coincident amplifier rather than the root cause (per the wiki's discovery notes on The Power in the Land, Ch. 1 p.13, Ch. 19 pp.247–8).[2] Akhil Patel, summarizing the same argument, quotes Harrison: "an economist, if he had used the cycle in land values as his predictive tool, could have predicted the economic contortions into which the UK economy would have spiralled in 1974 even if OPEC had never been established" (Harrison, quoted in Patel, The Secret Wealth Advantage, 2023, p. 32).[3] In Boom Bust, Harrison treats the 1974 OPEC shock as coinciding with a recession his cycle model already predicted from domestic land speculation, not requiring an oil-price trigger (Harrison, Boom Bust, Ch. 4 §3, Ch. 6 §1).

The empirical anchor Harrison offers for a mid-1970s land-market peak is official US data: the Federal Reserve economist Emanuel Melichar's study of farm income and asset values, 1950–77, whose series on the residual return to US farm production assets Harrison reads as a cycle in the return to farmland peaking in the mid-1970s — corroboration drawn from a source with no stake in the land-cycle thesis.[4] This is genuine official data rather than advocacy, but it should be weighed honestly: Melichar himself drew no oil-versus-land conclusion, the series is agricultural rather than the urban land at the centre of the recession, and it corroborates the timing of a land-cycle peak without isolating its causal weight against the oil shock.

Limits and Caveats

• This is a timing argument, not a counterfactual model. The wiki's own research notes on The Power in the Land record that Harrison's claim OPEC was "secondary" is "asserted by timing argument, not by a counterfactual model" — there is no formal test isolating how much of the 1973–75 downturn is attributable to oil versus land/credit dynamics.
• No formal econometric identification. Harrison's broader cycle theory is tested narratively across a handful of developed economies (plus Jamaica) rather than through a difference-in-differences or structural model that could cleanly separate an oil shock from a land-cycle peak occurring in the same 12–18 month window.
• Mainstream economics does treat oil shocks as a real, independently-identified cause of 1970s stagflation (via supply-side cost-push channels), a body of research this wiki has not yet reconciled in detail with the land-cycle account. The two explanations are not necessarily exclusive: a land-market peak and an oil shock arriving within the same year could both have contributed.
• The claim generalizes uneasily: the 1979 oil shock (second OPEC price spike) is asserted rather than closely dated against land-cycle peaks in the same discovery notes.

Net Assessment

The land-cycle rebuttal is a genuine and well-documented alternative timeline — land and building markets in the US, UK, Japan, and Australia show peaks clustering around 1973, before the embargo — but it has not been formalized into a counterfactual that would let a neutral reader assign relative weight to oil versus land. The honest reading is that both an oil supply shock and a domestic land/credit cycle peak coincided in 1973–74, and Georgist writers have shown the land cycle's timing does not require OPEC to explain the recession's onset — not that oil played no role at all.

See Also

• 18-Year Land Cycle — the cycle model Harrison uses to predict the 1974 downturn independent of oil prices
• Boom-Bust Cycle — the general concept this objection concerns
• Objection: Cycles Are Credit, Not Land — a related rival explanation for business cycles
• Harrison, The Power in the Land — primary Georgist source for the timing argument
• Harrison, Boom Bust — treats the 1974 OPEC shock as coincident with a predicted cycle recession
• Melichar (1978), Farm Income and Asset Values 1950–77 — the Federal Reserve farmland-return data Harrison uses as official corroboration of a mid-1970s land-cycle peak

Sources

1. "1973 oil crisis," Wikipedia. 1973 oil crisis — used for the conventional account: embargo dates, price rise, and the NBER-dated 1973–75 US recession (steelman source).
2. Fred Harrison, The Power in the Land: An Inquiry into Unemployment, the Profits Crisis and Land Speculation (New York: Universe Books; London: Shepheard-Walwyn, 1983), Ch. 1, 18, 19 — used for the timing argument that land/building peaks preceded the 1973 oil shock; see wiki summary.
3. Fred Harrison, Boom Bust: House Prices, Banking and the Depression of 2010, 2nd ed. (London: Shepheard-Walwyn, 2010), Ch. 4 §3, Ch. 6 §1 — used for treating the OPEC shock as coincident with a cycle-model-predicted recession; see wiki summary. Quoted via Akhil Patel, The Secret Wealth Advantage (Harriman House, 2023), Ch. 17, p. 32; see wiki summary.
4. Emanuel Melichar, "The Relationship Between Farm Income and Asset Values, 1950–77" (Federal Reserve Board, 1978), as cited in Harrison, The Power in the Land (1983), Table 9:I — used for the official farmland-return series Harrison reads as a land cycle peaking in the mid-1970s; see wiki summary. Note: the exact original venue of Melichar's 1978 study is not independently confirmed (see the wiki page's own caveat).