NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

Was There a Nasdaq Bubble in the Late 1990s?

Lubos Pastor, Pietro Veronesi

NBER Working Paper No. 10581
Issued in June 2004
NBER Program(s):   AP

Not necessarily. The fundamental value of a firm increases with uncertainty about average future profitability, and this uncertainty was unusually high in the late 1990s. We calibrate a stock valuation model that includes this uncertainty, and show that the uncertainty needed to match the observed Nasdaq valuations at their peak is high but plausible. The high uncertainty might also explain the unusually high return volatility of Nasdaq stocks in the late 1990s. Uncertainty has the biggest effect on stock prices when the equity premium is low.

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Document Object Identifier (DOI): 10.3386/w10581

Published: Pastor, Lubos and Pietro Veronesi. "Was There A Nasdaq Bubble In The Late 1990s?," Journal of Financial Economics, 2006, v81(1,Jul), 61-100.

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