What are the cost drivers of value chain?

Porter identified 10 cost drivers related to value chain activities:

• Economies of scale
• Learning
• Capacity utilization
• Linkages among activities
• Interrelationships among business units
• Degree of vertical integration
• Timing of market entry
• Firm’s policy of cost or differentiation
• Geographic location
• Institutional factors (regulation, union activity, taxes, etc.)