Stock Prices, Inflation and Stock Returns Predictability

50 Pages Posted: 18 Jan 2005

Date Written: December 16, 2004


This paper considers a new perspective on the relationship between stock prices and inflation, by estimating the common long-term trend in real stock prices, as reflected in the earning-price ratio, and both expected and realized inflation. We study the role of the transitory deviations from the common trend in the earning-price ratio and realized inflation for predicting stock market fluctuations. In particular, we find that these deviations exhibit substantial insample and out-of-sample forecasting abilities for both real stock returns and excess returns. Moreover, we find that this variable provides information about future stock returns at short and intermediate horizons that is not captured by other popular forecasting variables.

Keywords: Time-Varying Expected Returns, Stock Return Predictability, Stock Return-Inflation puzzle.

JEL Classification: G12, G14, E44, C53.

Suggested Citation

Boucher, Christophe, Stock Prices, Inflation and Stock Returns Predictability (December 16, 2004). Available at SSRN: or

Christophe Boucher (Contact Author)

ESG ( email )

25 rue saint ambroise
Paris, 75011

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