This document discusses various accounting theories:
- Proprietary theory views owners as central and focuses on assets and equity. Net income increases owner wealth.
- Entity theory separates business from owners. Income is a distribution of earnings rather than expenses.
- Fund theory views a business as a unit with specified purpose and assets equal restrictions on assets.
- Commander theory focuses on people controlling resources. Investor theory views accounting from investors' perspectives. Assets equal specific and residual equities.
- Enterprise theory sees a business as a social institution where managers balance interested parties and introduces value-added income.