
How Stories Go Viral and Drive Major Economic Events
Robert J. Shiller · 2019 · Money & Investing
Original summary · AI-drafted, human-published · added by Library
Shiller argues that popular stories about the economy — narratives that spread person to person like epidemics — are themselves a driving force in economic events, not just commentary on them. Booms, panics, and recessions are shaped by which stories catch on, mutate, and fade. Economics, he says, should borrow contagion models from epidemiology to explain why certain beliefs about money, work, and value sweep through populations at particular moments and then disappear.
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- Investors trying to understand why markets swing on sentiment more than fundamentals - Policy makers and economists frustrated that standard models miss turning points - General readers curious how rumors, slogans, and folk beliefs shape recessions and booms
Popular narratives about the economy are not mere reflections of economic reality but active causes of booms, panics, and recessions.
Economic narratives spread and fade according to contagion dynamics analogous to disease epidemics, and can be modeled with similar mathematics.
A narrative's economic power depends less on its truth than on its memorability, emotional resonance, and connection to identity or moral judgment.
A small set of narrative templates recur across history, reappearing in different costumes to explain each new economic era.
The Great Depression's severity and duration were prolonged in part by a self-reinforcing narrative of thrift and fear that suppressed spending beyond what economic fundamentals required.
A vivid narrative can decide elections and monetary policy even when few voters understand the technical substance behind it.
Twentieth-century narratives actively constructed the identity of the modern consumer, turning spending into a marker of social belonging rather than a neutral economic act.
Narrative economics can be studied empirically using historical text data, but measuring narrative prevalence and causal impact remains far less precise than measuring prices or output.
Robert J. Shiller is a Yale economist and Nobel laureate (2013) known for work on market volatility and behavioral finance. He co-created the Case-Shiller Home Price Index and wrote 'Irrational Exuberance,' which anticipated the dot-com and housing crashes. Narrative Economics extends his long interest in psychology's role in markets.