Yale University: Over the (Very) Long Run, Stock Bubbles Are Rare
June 01, 2026
June 01, 2026
NEW HAVEN, Connecticut, June 1 -- Yale University issued the following news:
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Over the (Very) Long Run, Stock Bubbles Are Rare
Does the rapid run-up of AI stocks portend a crash for the larger stock market? Using a unique repository of historical stock prices with Yale roots, Professor William Goetzmann and his co-authors showed that while booms are frequently followed by volatility, markets rarely give back all of their gains.
Written by . . .
* * *
Over the (Very) Long Run, Stock Bubbles Are Rare
Does the rapid run-up of AI stocks portend a crash for the larger stock market? Using a unique repository of historical stock prices with Yale roots, Professor William Goetzmann and his co-authors showed that while booms are frequently followed by volatility, markets rarely give back all of their gains.
Written by . . .