Efficient Quote by Robert Haugen
“Although efficient markets people still go around saying there is a "mountain" of evidence supporting their hypothesis, the truth of the matter is that it's a very old mountain that's now eroding rapidly into the sea.”
About This Quote
Source Speech: Financial Markets Conference, Robert Haugen, 1998
Market efficiency claims are often supported by outdated evidence that is losing relevance over time.
In simple terms: Old data no longer fully supports market theories.
Key Takeaway
Update evidence before defending efficiency.
Themes
economics
skepticism
evidence
Mood
analytical
critical
Type
financial
academic
When to use this quote
- investment strategy
- academic research
- policy making
- risk assessment
Key Concepts
market theory
data decay
financial analysis
Questions to Reflect On
- What new data could reshape our view of market efficiency?
- How do we balance tradition with emerging research?
A Different Perspective
Critics argue that some market anomalies persist despite old evidence.
