PORTER'S 5-FORCES ANALYSIS IS A METHOD OF EVALUATING COMPETITION INSIDE AN INDUSTRY Porter's Five Threat of substitution . How easy is at to find an alternative to Availability of close this product or service? Forces substitutes Price / value . Can it be outsourced? Or automated? Aggressiveness User switching costs Market trends Legislative effects . Do suppliers hold the power? . Are there a few who control prices? . Can the buyers get costs down? . Or many so prices are lower? Competitive rivalry * Do they have the power to dictate terms