Continuous-Time Fama-MacBeth Regressions

Yacine Aït-Sahalia, Jean Jacod and Dacheng Xiu

The Review of Financial Studies, 2025, vol. 38, issue 12, 3542-3579

Abstract: We develop an asymptotic framework for conducting inference on continuous-time asset pricing models using high-frequency returns over an increasing time horizon. Our study focuses on the identification and estimation of risk premiums associated with the continuous component and jumps of various size brackets. We extend the classical Fama-MacBeth regression from the discrete-time setting to a continuous-time factor model, incorporating general dynamics for factors, idiosyncratic components, and factor loadings. Our empirical analysis of U.S. equities, foreign exchange, and commodities underscores the distinct significance of continuous and jump risk premiums for the specific factors constructed within each asset class in determining expected returns.

Keywords: G12; C13; C14; C23; C58 (search for similar items in EconPapers)
Date: 2025
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