The paper reviews the current state of user innovation in the business and the households sectors and considers the … impact of the digital economy on user innovation. A general definition of innovation, applicable in all sectors of the … economy, is introduced to expand the domain of user innovation to all economic sectors, not just the business sector and …

large companies such as Amazon, Facebook, Google, and Microsoft, on innovation. Several stakeholders and analysts assert … that digital platforms have become so dominant that they slow the speed of innovation and that regulatory and antitrust … and negative effects of digital platforms on innovation. This paper seeks to contribute to closing this gap by pursuing …