Skip to main content
The 1973-74 Bear Market and Oil Shock

Inflation and Asset Classes: The 1970s Evidence

Pomegra Learn

How Did Different Assets Perform During the 1970s Inflation?

The 1970s was the most significant sustained inflation period in modern US financial history, and its impact across asset classes provides the best empirical evidence available for understanding how different investments behave when inflation persists. The evidence is both confirming and sobering: some assets that theory predicts should provide inflation protection—stocks in particular—provided less protection in practice than expected; assets that had been considered exotic or unconventional—gold and commodities—provided extraordinary real returns; and the conventional safe haven—long-term bonds—was catastrophically destructive of real wealth. Fifty years on, the 1970s asset class evidence continues to influence portfolio construction, particularly in discussions about inflation protection strategies.

Quick definition: Inflation and asset classes in the 1970s refers to the differential performance of equities, bonds, gold, commodities, real estate, and cash during the sustained inflationary period from approximately 1968 to 1982—during which US consumer price inflation averaged approximately 7 percent annually, gold rose from $35 to $850 per ounce, long-duration bonds lost approximately 50 percent in real terms, equities were flat in nominal terms for sixteen years (1966-1982), and real assets broadly maintained or increased real value.

Key takeaways​

  • Equities (S&P 500) returned approximately 0 percent in nominal terms from 1966 to 1982—a sixteen-year period during which inflation reduced the real purchasing power of those returns by approximately 65 percent.
  • Long-duration US Treasury bonds were the worst major asset class: yields rose from approximately 4-5 percent in the late 1960s to approximately 15-16 percent by 1981, producing capital losses that dwarfed coupon income.
  • Gold rose from its deregulated price of approximately $35-40 in 1971 to approximately $850 at the January 1980 peak—a 2,100 percent nominal gain, approximately 600 percent in real terms.
  • Commodities broadly performed well: oil (from approximately $3 to $35 per barrel), agricultural commodities, and metals all provided strong real returns.
  • Real estate in most US markets provided reasonable real returns, though performance varied significantly by location and property type.
  • Treasury bills (short-duration cash equivalents) performed better than long bonds by avoiding duration risk, though real returns were modestly negative to near-zero through most of the period.

Equities: not the inflation hedge theory suggested​

The most important and most counterintuitive 1970s lesson concerns equities. The prevailing investment theory had long held that equities were natural inflation hedges: companies own real assets (factories, inventory, brand value) and can raise prices when their costs rise, so their earnings and dividends should maintain real value through inflation.

The 1970s empirically challenged this view, at least in the short to medium run:

Multiple compression: Rising inflation raised nominal interest rates, which raised the discount rate applied to corporate earnings. Higher discount rates reduce the present value of future earnings; stocks fell in price even when earnings were maintained. The theory assumed that earnings growth would fully offset multiple compression; the empirical record showed that multiple compression was faster than earnings adjustments.

Real earnings compression: For many companies, higher input costs—energy, raw materials—were not fully passed through to customers, at least in the short run. Real earnings fell, compounding the multiple compression effect.

Equity risk premium puzzle: In retrospect, the 1970s produced extremely low equity returns, which—combined with the high subsequent returns of the 1980s-1990s—contributed to the "equity premium puzzle" (why equities earn such high returns over long periods). Part of the answer may be that the 1970s were a period of genuinely poor equity returns that contributed to the long-run average premium.

The sixteen-year drought: An investor who bought the S&P 500 at its 1966 high did not break even in nominal terms until approximately 1982—sixteen years. In real terms, accounting for the approximately 150 percent cumulative inflation over that period, the real loss was approximately 60-65 percent. The S&P 500 did not return to its 1966 real peak until approximately 1992—twenty-six years.

Bonds: catastrophic real returns​

Long-duration government bonds were the worst performing major asset class during the inflationary 1970s. The mechanism was straightforward and mathematically inevitable:

A 30-year Treasury bond issued in 1965 at a 4.5 percent coupon had approximately $88 of remaining value per $100 face value in 1970 (as yields had risen to approximately 6 percent). By 1975, as yields rose toward 8-9 percent, it was worth approximately $55-60. By 1981, as yields peaked at approximately 15-16 percent, it was worth approximately $30-35.

The investor who bought 30-year Treasuries in 1965 had, by 1981:

  • Lost approximately 65-70 percent of principal in nominal terms
  • Lost approximately 85-90 percent of purchasing power in real terms (accounting for the cumulative inflation)
  • Received coupons that partially offset the capital loss but not nearly enough to compensate

The 1970s bond market experience is often invoked as the definitive reminder that "risk-free" government bonds are risk-free only with respect to nominal default—they carry substantial inflation risk and interest rate risk that can produce dramatic real losses.

Gold: the unexpected star​

Gold had been fixed in price for decades—first at $20.67 per ounce under the classical gold standard, then at $35 per ounce under Bretton Woods. When gold convertibility was suspended in 1971 and gold was progressively deregulated, its price was free to find its market level.

The results were extraordinary:

  • 1971: approximately $35-40 per ounce (newly deregulated)
  • 1974: approximately $185 per ounce (first peak, before correction)
  • 1976: approximately $100 per ounce (correction low)
  • January 1980: approximately $850 per ounce (peak)
  • 1982: approximately $300-350 per ounce (post-Volcker correction)

From the 1971 deregulation to the 1980 peak: approximately 2,100 percent nominal return; approximately 600 percent real return. From the 1973 embargo to the 1980 peak: still extraordinary.

Why did gold perform so well? Several mechanisms:

Monetary system hedge: Gold had been the anchor of the monetary system; when the dollar-gold link was severed, gold's price was free to rise to reflect accumulated monetary expansion. The price rise partly reflected the gold that had been undervalued at $35/ounce given decades of money supply growth.

Inflation hedge: Gold's real value is not determined by earnings or cash flows (it has none) but by its role as a store of purchasing power. During periods of monetary credibility failure—when paper currencies are losing real value through inflation—gold maintains purchasing power by rising in price.

Safe haven demand: During periods of geopolitical and financial uncertainty (Vietnam War aftermath, Watergate, Iranian hostage crisis), gold attracted safe haven demand.

Oil and commodities​

Oil—and commodity prices broadly—performed as expected inflation hedges during the 1970s. Oil rose from approximately $3 per barrel in early 1973 to approximately $35 per barrel by 1980—a roughly 1,000 percent nominal increase. Copper, gold, silver, agricultural commodities, and energy broadly followed the inflationary trend.

Energy company stocks provided significantly better equity performance than the S&P 500 broadly. Companies like Exxon, Texaco, and Gulf Oil—whose revenues rose with oil prices—delivered positive real returns during a period when the market broadly provided negative real returns.

The commodity performance established the framework for commodity investing as an inflation hedge that has influenced institutional asset allocation since: pension funds, endowments, and sovereign wealth funds developed explicit commodity allocations partly as a response to 1970s experience.

Real estate​

US residential real estate broadly maintained real value through the 1970s inflation. Housing prices in nominal terms roughly tracked or exceeded inflation in most markets; homeowners who had borrowed at fixed mortgage rates benefited additionally from the erosion of the real value of their debt.

Commercial real estate performance was more variable—some sectors suffered from rising vacancy rates as the economy weakened; others maintained real values through rent adjustments.

The leverage component of real estate investment—borrowing to purchase property—was particularly valuable during inflation. A homeowner with a 30-year fixed mortgage at 7 percent saw the real cost of their debt decline dramatically as inflation ran at 10-12 percent; the mortgage's real value was being eroded by inflation while the nominal value of the property often kept pace with or exceeded inflation.

TIPS and the institutional response​

One lasting institutional response to the 1970s bond market catastrophe was the development of inflation-indexed bonds—securities whose principal and interest are adjusted for inflation, providing a guaranteed real return regardless of inflation. The US Treasury Inflation-Protected Securities (TIPS) program was created in 1997.

TIPS provide the bond-like characteristics that investors value—predictable cash flows, government credit quality—without the inflation risk that devastated conventional bonds in the 1970s. A TIPS investor earns the real yield regardless of inflation; a conventional bond investor earns only if inflation is lower than expected at purchase.

The TIPS market, now with approximately $2 trillion outstanding, represents the direct institutional response to the 1970s lesson: investors need instruments that protect real purchasing power, not just nominal cash flows.

Investment portfolio implications​

The 1970s asset class evidence has influenced portfolio construction in several enduring ways:

Inflation protection allocation: Institutional investors that experienced the 1970s generally maintain explicit allocations to inflation-sensitive assets—commodities, TIPS, real estate, infrastructure—as portfolio insurance against inflationary regimes. The exact allocation is debated; the principle of including some inflation-sensitive exposure is widely accepted.

Duration management: The recognition that long-duration bonds carry substantial inflation risk has influenced liability-driven investing, particularly for pension funds that need to match long-term obligations. Active duration management—reducing duration when inflation risks rise—became standard practice for fixed-income portfolios.

Commodity roles: The 1970s established commodities' role as a distinct asset class with different return drivers from equities and bonds. Modern alternatives portfolios routinely include commodity exposure; the 1970s provided the empirical foundation for this allocation.

60/40 portfolio limitations: The 1970s demonstrated that the 60/40 equity/bond portfolio's diversification benefits break down in inflationary environments. Both asset classes suffered poor real returns. Contemporary discussions of "all-weather" or "risk parity" portfolios address this demonstrated limitation.

Common mistakes​

Treating equities as always protecting against inflation. Equities have provided positive real returns over very long horizons (decades), partly because corporate earnings eventually adjust to inflation. But over investment-horizon periods (5-15 years), equity valuations can be severely damaged by inflation-driven discount rate increases. Treating stocks as reliable short-to-medium-term inflation protection is the most common mistake derived from the 1970s experience.

Treating gold as a reliable short-term hedge. Gold's 1980 peak was followed by an approximately 65 percent nominal decline to a 1982 low; investors who bought near the peak suffered substantial losses even as inflation continued. Gold's inflation hedging works over very long horizons but is extremely volatile in shorter periods. Tactical gold use as a precise inflation hedge is unreliable.

Extrapolating 1970s returns to future inflation episodes. Gold's 2,100 percent return from 1971 to 1980 reflected the unique circumstances of gold's price deregulation—the first free-market pricing after decades of fixed rates. Future gold performance in inflationary environments would not replicate this specific dynamic (there is no equivalent re-deregulation event). The directional guidance (gold performs better in inflationary environments) is durable; the specific return magnitude is not.

FAQ​

Did international stock markets also perform poorly during the 1970s inflation?​

Yes, in many cases worse than the US. The UK equity market fell approximately 73 percent in real terms from 1972 to 1974 before recovering. Japanese equities fell similarly severely in 1973-74 before recovering faster as Japanese monetary policy was more aggressive in addressing inflation. Continental European markets performed variably; those with stronger monetary frameworks (Germany) experienced less severe and shorter equity bear markets.

How does the 1970s compare to the 2022 asset class performance?​

The 2022 episode showed the same mechanism at smaller scale: the S&P 500 fell approximately 19 percent; long-duration bonds fell approximately 30-40 percent; energy stocks rose substantially; commodities broadly rose; gold provided modest protection. The pattern was qualitatively consistent with 1970s lessons. The scale was smaller because the inflation episode was shorter and less severe, and because the Federal Reserve responded more aggressively (preventing the decade-long embedded inflation of the 1970s).

Should retirees hold more gold based on 1970s evidence?​

The 1970s evidence supports a modest gold allocation as monetary-system insurance, but retirees should also consider that gold provides no income—a significant drawback for investors who need cash flow from their portfolios. A modest gold allocation (3-5 percent) balanced against income-producing assets provides inflation protection without eliminating portfolio income. Larger gold allocations trade portfolio income for inflation insurance in a way that may not be appropriate for income-dependent investors.

Summary​

The 1970s sustained inflation period—approximately 7 percent annual inflation from 1968 to 1982—provides the definitive empirical evidence on inflation's impact across asset classes. Equities returned approximately zero in nominal terms over sixteen years (1966-1982), losing approximately 65 percent in real purchasing power. Long-duration bonds were catastrophically destructive—yields rising from 4-5 percent to 15-16 percent produced 50-70 percent nominal capital losses on top of inflation erosion of real value. Gold rose from approximately $35-40 per ounce at deregulation in 1971 to approximately $850 at the January 1980 peak—approximately 600 percent in real terms. Commodities and energy stocks broadly maintained or increased real value. Real estate in most US markets provided reasonable real returns, with leveraged positions benefiting additionally from inflation's erosion of fixed mortgage debt. The evidence influenced subsequent institutional portfolio construction toward explicit inflation protection allocations: TIPS, commodities, real estate, and gold allocations reflecting the 1970s lesson that conventional 60/40 portfolios provide no protection against sustained inflationary regimes.

Next​

→ The Phillips Curve Breakdown