Do Innovations Really Payoff? Total Stock Market Returns to Innovation
Emory University - Goizueta Business School
Gerard J. Tellis
University of Southern California - Marshall School of Business, Department of Marketing
Marketing Science, Vol. 28, No..3, p. 442, May/Jun 2009
Marshall School of Business Working Paper No. MKT 11-09
Critics often decry an earnings-focused short-term orientation of management that eschews spending on risky, long term projects such as innovation in order to boost a firm's stock price. The critics' assume that stock markets respond to announcements of earnings that report immediate earnings and not of innovation that have a long-term payoff. Contrary to this position, the authors argue that the market's true appreciation of innovation can be estimated by assessing the total market returns to the entire innovation project The authors demonstrate this approach via the Fama-French 3 Factor Model (including Carhart's Momentum Factor) on 5481 announcements from 69 firms in 5 markets and 19 technologies, during the period 1977-2006.
The authors find that total market returns to an innovation project are $643 million, more than 13 times the $49 million due to an average innovation event. Returns to negative events are higher in absolute value than those to positive events. Returns to development activities are higher than returns to either the setup or market activities. Returns are higher for smaller firms than larger firms. Returns to the announcing firm are substantially greater than those to competitors across all stages. The authors discuss the implications of the results.
Number of Pages in PDF File: 49
Keywords: Innovation, Market Returns, Event Study, Fama-French model, High-Tech MarketingAccepted Paper Series
Date posted: April 17, 2008 ; Last revised: June 14, 2010
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