Competitive Advantages.
Cost leadership.
Economy of scale.
Dominant Market Share.
Differentiation
Superior Quality.
Superior Service.
Techonological Advance.
Superior Image or Branding.
Ethical/Social acceptance.
Entry Pricing.
Lowest production costs.
Focused/Specialised.
Niche Markets.
Expertise.
Legacy/Historic/Cultural Value
Industry Rivalry.
New Entrants to Market.
Supplier negotiation.
Customer freedom of choice.
Substitute/Alternative products and services