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MENTAL MODEL · M5709

Gibson's Paradox

Gibson's Paradox
BusinessHigh supportMacroeconomics
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Version 1.0.0 · Updated 2026-07-30

CORE DEFINITION

During the gold standard period, the interest rate and the price level (rather than the inflation rate) showed a high positive correlation. This contradicts modern economic theory (the Fisher effect: interest rates are related to inflation rates). Scaffold role: The temporality of causality. Economic laws are not physical laws; they depend on specific monetary systems and historical contexts. When the underlying system (such as the gold standard changing to fiat money) changes, old empirical formulas (like Gibson's paradox) may fail or even reverse.

SCAFFOLDING EFFECT

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The temporality of causality. Economic laws are not physical laws; they depend on specific monetary systems and historical contexts. When the underlying system (such as the gold standard changing to fiat money) changes, old empirical formulas (like Gibson's paradox) may fail or even reverse.

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Gibson's paradox refers to the anomalous phenomenon in data from the 19th to early 20th centuries where 'nominal interest rates move in the same direction as the price level,' which is inconsistent with the Fisher effect (interest rates move with inflation rates). Its explanation relies on the gold standard of that time: prices were linked to the marginal productivity of gold and real interest rates, making interest rates correlate with the price level rather than its rate of change. It illustrates that macroeconomic relationships are shaped by institutional structures, and institutional shifts can change or even reverse empirical regularities.

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Source support: Explicit

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    en.wikipedia.orghttps://en.wikipedia.org/wiki/Gibson%27s_paradoxZH · Explicit
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