Stock Price Volatility: Tests Based on the Geometric Random Walk

The Volatility of Long-Term Interest Rates and Expectations Models of the Term Structure

1979 • 866 citations

Efficient Capital Markets and Martingales

1989 • 517 citations

Variance Bounds Tests and Stock Price Valuation Models

1986 • 497 citations

Excess Volatility in the Financial Markets: A Reassessment of the Empirical Evidence

1983 • 296 citations

Bias in Small Sample Tests of Stock Price Rationality

1986 • 73 citations