Theory of ownership
- Theory of ownership jurisprudence
- Theory of psychological ownership
- Ownership theory of the firm
- Pluralist theory of media ownership
- Austin theory of ownership
- Salmond theory of ownership
- Labor theory of ownership
- Marxist theory of ownership
- Theory of self ownership
- Theory of land ownership
- Locke's theory of ownership
- Lien theory of ownership
- Agency theory separation of ownership and control
- Marxist theory of media ownership and control
- Locke's theory of land ownership