Old is gold? The effects of employee age on innovation and the moderating effects of employment turnover

Torben Schubert and Martin Andersson

Economics of Innovation and New Technology, 2015, vol. 24, issue 1-2, 95-113

Abstract: There is consistent evidence in the literature that an average employee's age is negatively related to firm-level innovativeness. This observation has been explained by older employees working with outdated technological knowledge and being characterized by reduced cognitive flexibility. We argue that firms can mitigate this effect through employee turnover. In particular, turnover of R&D workers is deemed a vehicle for transfer of external knowledge to the firm, which can compensate for lower cognitive flexibility and up-to-date knowledge among older workers. We use a matched employer-employee data set based on three consecutive Community Innovation Survey surveys for Sweden to test our predictions. Our results suggest (a) that overall employee age impacts negatively on product innovation activities (both in terms of propensity and success), (b) that the effect of employee staying rate (measured by the share of employees who remain in the firm from one year to the next) on innovation follows an inverted U -shape implying an 'optimal' level of employment turnover and (c) that this 'optimal' value is lower for firms with older employees. The latter suggests that firms with older employees can at least partially compensate an aged workforce by increased employment turnover.

Date: 2015
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Working Paper: Old is Gold? The Effects of Employee Age on Innovation and the Moderating Effects of Employment Turnover (2013)
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DOI: 10.1080/10438599.2014.897858

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