The Demographics of Innovation and Asset Returns
University of California, Berkeley - Haas School of Business; National Bureau of Economic Research (NBER); Centre for Economic Policy Research (CEPR)
Massachusetts Institute of Technology (MIT) - Sloan School of Management; National Bureau of Economic Research (NBER)
University of Chicago - Booth School of Business; National Bureau of Economic Research (NBER)
February 28, 2010
MFI Working Paper No. 2009-08
We study asset-pricing implications of innovation in a general-equilibrium overlapping generations economy. Innovation increases the competitive pressure on existing firms and workers, reducing the profits of existing firms and eroding the human capital of older workers. Due to the lack of inter-generational risk sharing, innovation creates a systematic risk factor, which we call “displacement risk.” This risk helps explain several empirical patterns, including the existence of the growth-value factor in returns, the value premium, and the high equity premium. We assess the magnitude of misplacement risk using estimates of inter-cohort consumption differences across households and find support for the model.
Number of Pages in PDF File: 52working papers series
Date posted: January 8, 2010 ; Last revised: March 29, 2011
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