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That economic decisions are made without certain knowledge of the consequences is pretty self-evident. But, although many economists were aware of this elementary fact, there was no systematic analysis of economic uncertainty until about 1950.
Kenneth Arrow
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Interpretation

What this quote means

Economic decisions often occur without complete information about their outcomes.

Kenneth Arrow highlights the inherent uncertainty in economic decision-making. Despite the obvious nature of this uncertainty, it was not until the mid-20th century that economists began to systematically analyze its effects, suggesting a gap in the understanding of economic theory during earlier periods.

Themes

EconomicDecisionsUncertaintyAnalysisConsequences

In practice

Example use cases

During a keynote speech on financial literacy, one might quote Arrow to emphasize the importance of understanding risk in investments.

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