‘Academic rentiership’ is an economistic way of thinking about the familiar tendency for academic knowledge to consolidate into forms of expertise that exercise authority over the entire society. The feature that ‘rentiership’ high-lights is control over what can be accepted as a plausible knowledge claim, which I call ‘modal power’. This amounts to how the flow of information is channelled in society, with academic training and peer-reviewed research being the main institutional drivers. This paper begins by contextualizing rentiership in the deeper issues surrounding ‘cognitive economy ’that lie at the heart of the Western philosophical tradition. The psychological phenomenon of the ‘Gestaltshift’ is used to illustrate various ways in whi...