In the traditional view of the firm, the shareholder view (the only one recognized in business law in most countries), the shareholders or stockholders are the owners of the company, and the firm has a binding fiduciary duty to put their needs first, to increase value for them. In older input-output models of the corporation, the firm converts the inputs of investors, employees, and suppliers into usable (salable) outputs which customers buy, thereby returning some capital benefit to the firm. By this model, firms only address the needs and wishes of those four parties: investors, employees, suppliers, and customers. However, stakeholder theory argues that there are other parties involved, including governmental bodies, political groups, trade associations, trade unions, communities, associated corporations, prospective employees, prospective customers, and the public at large. Sometimes even competitors are counted as stakeholders.
The stakeholder view of strategy is an instrumental theory of the corporation, integrating both the resource-based view as well as the market-based view, and adding a socio-political level. This view of the firm is used to define the specific stakeholders of a corporation (the normative theory (Donaldson) of stakeholder identification) as well as examine the conditions under which these parties should be treated as stakeholders (the descriptive theory of stakeholder salience). These two questions make up the