Investopedia / Laura Porter The Porter Diamond Theory of National Advantage, or the Porter Diamond Model, is a model that describes the competitive advantage that nations or groups possess based ...

What Is Porter’s Five Forces Model? Porter’s Five Forces is a framework developed by Michael Porter to analyze industry competition. It examines five key forces that shape profitability ...

There are different ways to analyze companies and their stocks. One is through an analysis using Porter's Five Forces Model, a methodology that looks at external factors within a specific industry.