Prior research has shown that users are a valuable resource for identifying new product or service innovations. However, few scholars have analyzed how different user types such as intermediate and end users are interacting along the value chain of an emerging new product and how they contribute...

Prior research has shown that some patients and caregivers such as relatives are innovating in relation to their unmet medical needs. However, there is little evidence whether and how these ideas are later implemented into market-ready solutions and subsequently commercialized. We analyze cases...

We study a quality-ladder model of endogenous growth that produces stochastic leadership cycles. Over a cycle, industry leaders can innovate several successive times in the same industry, gradually increasing the magnitude of their technological lead before being replaced by a new entrant....

User innovation contributes significantly to societal advancement, particularly in developing novel products and services, offering substantial financial potential, and fostering the common good. This is particularly evident in medical science, where it addresses diverse needs and is often...