The Influence of Productivity on Asset Pricing
45 Pages Posted: 26 Mar 2008 Last revised: 6 Jan 2009
Date Written: December 16, 2008
Abstract
Ceteris Paribus, highly productive industries should translate into high economic growth and high expected returns. To test this, we create a productivity factor using industry-level total factor productivity estimates. This factor captures the difference in returns between industries with high productivity and industries with low productivity. On average, the productivity premium contributes 0.75 to 2.41 percent per annum for the range of productivity factors we construct, from July 1963 to December 2002. To test whether productivity drives the cross-section of stock returns, we augment standard asset pricing models with this productivity factor. Our results show that i) in accordance with our hypothesis, productivity has a bigger impact on smaller firms, and that growth firms have a higher productivity beta, and ii) productivity is priced even when size and book-to-market factors are included. Finally, we examine the impact of productivity in different market structures, where the latter is measured by the Herfindahl index for each industry.
Keywords: Asset Pricing, Productivity
JEL Classification: G12
Suggested Citation: Suggested Citation
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