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Purpose
To investigate the relationship between technological diversification and firm performance as a function of varying levels of technological coupling and internal technological change.
Design/methodology/approach
A longitudinal study of US-based bio-pharmaceutical companies.
Findings
Technological diversification improves invention performance. However, high levels of technological coupling reduce this effect.
Practical implications
Firms with highly diversified technological portfolios should strive to keep their technologies at low levels of technological coupling.
Originality/value
This is the first study to show that technological coupling reduces the positive effect of technological diversification on firms' invention performance.
© Emerald Publishing Limited
2023
Emerald Publishing Limited
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