For example, many have critiqued the model ... goods and services can't substitute for it. The Bottom Line Porter's five-forces model sets out essential criteria for considering a company's ...

Examples of substitutes are making the ... What Is Porter’s Five Forces Model? Porter’s Five Forces is a framework developed by Michael Porter to analyze industry competition.

This study examines strategic portfolio management in the pharmaceutical industry using Porter’s "Five Competitive Forces" framework. Substitutes can decrease the attractiveness of existing products, ...