Empirical studies of innovation have found that end users frequently develop important product and process innovations. Defying conventional wisdom on the negative effects of uncompensated spillovers, innovative users also often openly reveal their innovations to competing users and to...

Many services can be self-provided. An individual user or a user firm can, for example, choose to do its own accounting – choose to self-provide that service – instead of hiring an accounting firm to provide it. Since users can ‘serve themselves’ in many cases, it is reasonable to...

In this paper, we assess the economic viability of innovation by producers relative to two increasingly important alternative models: innovations by single-user individuals or firms and open collaborative innovation. We analyze the design costs and architectures and communication costs...

Currently, two models of innovation are prevalent in organization science. The “private investment” model assumesreturns to the innovator result from private goods and efficient regimes of intellectual property protection. The “collective action” model assumes that under conditions of...