Jeffrey Clemens, Parker Rogers, 10 March 2020

Why has medical innovation brought cost-increasing enhancements to quality, rather than cost-reducing advances in productivity? The column uses a new dataset drawn from patents for prosthetic devices to show that the design of incentives for innovators can have substantial effects on these margins. Fixed-price procurement arrangements induce greater effort to reduce production costs than cost-plus procurement arrangements. Procurement models may therefore inadvertently lead to 'missing innovations'.

Alberto Galasso, Hong Luo, 30 October 2019

Higher risk perception may suppress demand for a product class and chill R&D investment, or increase the incentive to innovate risk-mitigating technologies. The column uses media coverage of accidents involving CT scanners to investigate the impact on firm innovation. Higher public risk perception increased patent applications and the rate of new product innovation, even without changes in liability or regulation.

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