Concept:Separation of ownership and management occurs when owners do not run the business daily.
Explanation:In a joint stock company, shareholders are the owners of the company.
The actual control and daily management rest with the board of directors.
Shareholders usually have limited liability and do not participate in day-to-day operations.
This clear separation of ownership from control is a special feature of a joint stock company.
In a partnership, sole proprietorship, or consumer co-operative, the owners usually manage the business directly.
Therefore, this separation is mostly found in a joint stock company.
Answer:A. joint stock company