Two of the aforementioned pillars focus on the (national) macroeconomics environment to determine if the demand is present along with the factors needed for production (i.e. both extreme ends of the value chain). Another pillar focuses on the specific relationships supporting industries have with the particular firm/nation/industry being studied. The last pillar it looks at the firm's strategic response (microeconomics) i.e. its strategy, taking into account the industry structure and rivalry (see five forces). In this way it tries to highlight areas of competitive advantage as well as competitive weakness, by looking at a companies/nations suitability to the particular conditions of a particular market.