ABSTRACT
This chapter provides evidence to guide decision making, It considers that the decision process develops within a system of constraints related to cognitive abilities, always limited, policymakers. Alcan could be integrated vertically in developing, either internally or by acquisition, the downstream or upstream of the manufacture of basic aluminum. It could also strengthen its competitiveness by increasing economies of scale through the acquisition of competitors. The institutional action is a guide and beacon at the time of formulation of the corporate action and business processes. Leaders should evaluate the decisions they are considering in the light of the principles and fundamental values contained in the mission of the company. Life cycle phase in which the product or area of business activity and the relative position of the company in the market play a decisive role in decisions to revoke. The withdrawal can take three main forms: the entrenchment of activities, sale of businesses, and liquidation.
