Memoirs of Extraordinary Popular Delusions and the Madness of Crowds (1852)
gutenberg.org
June 30, 2026
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Summary
"Memoirs of Extraordinary Popular Delusions and the Madness of Crowds" by Charles Mackay is a seminal study on crowd psychology published in 1841. The work analyzes humanity's tendency toward collective manias, covering topics such as financial bubbles, religious crusades, witch trials, and alchemy.
Key Takeaways
- "Memoirs of Extraordinary Popular Delusions and the Madness of Crowds" by Charles Mackay was first published in 1841 and explores crowd psychology and collective manias.
- The work examines various historical phenomena, including financial bubbles, religious crusades, and witch trials, using colorful anecdotes and storytelling.
- Mackay's analysis of economic bubbles has influenced financiers in predicting market crashes and understanding modern speculation.
- The book is available for free download on Project Gutenberg and is in the public domain in the USA.
Coverage & discussions
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Community discussions
Community Sentiment
Positives
- Investors are showing significant interest in AI stocks, indicating a growing confidence in the potential of AI technologies to drive market growth.
- The discussion around historical financial bubbles, like the Tulip Bubble, provides valuable context for understanding current market behaviors related to AI investments.
Concerns
- Concerns are raised about the sustainability of the current AI stock market surge, with high levels of margin debt potentially signaling a risky investment environment.
- The embellishment of historical events, such as the Tulip Bubble, suggests that narratives around AI investments may also be exaggerated, leading to misguided perceptions.
