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First, those who disagree with market efficiency simply…

“First, those who disagree with market efficiency simply assert that it stands to common sense that greater effort to get facts and greater acumen in analyzing those facts will pay off in better performance somehow measured. (By this logic, cure for cancer must have been found by 1955).” quote by Paul Samuelson
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“First, those who disagree with market efficiency simply assert that it stands to common sense that greater effort to get facts and greater acumen in analyzing those facts will pay off in better performance somehow measured. (By this logic, cure for cancer must have been found by 1955).”

Paul Samuelson

About This Quote

This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation.

Efficiency assumes all available information is reflected in prices; seeking extra data rarely yields better returns.

In simple terms: Extra effort rarely beats market prices.

Key Takeaway

Rely on market signals, not exhaustive data.

Themes

economics efficiency information investment

Mood

skeptical analytical

Type

advisory critical

When to use this quote

  • stock picking
  • fundamental analysis
  • active trading
  • risk management

Key Concepts

Market hypothesis information asymmetry behavioral finance

Questions to Reflect On

  • Is active management truly superior?
  • When does extra research add value?
A Different Perspective

Markets can be irrational; data may be noisy.

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