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Porter's Five Forces Model

Writer's picture: Asabaab DesignsAsabaab Designs

Updated: Dec 18, 2020

Porter's Five Forces is a framework for analyzing a company's competitive environment. The number and power of a company's competitive rivals, potential new market entrants, suppliers, customers, and substitute products influence a company's profitability.


Threat of New Entrants: New entrants put pressure on current organizations within an industry through their desire to gain market share. This in turn puts pressure on prices, costs and the rate of investment needed to sustain a business within the industry. The threat of new entrants is particularly intense if they are diversifying from another market as they can leverage existing expertise, cash flow and brand identity as it puts a strain on existing company's profitability.

Barriers to entry restrict the threat of new entrants. If the barriers are high, the threat of new entrants is reduced and conversely if the barriers are low, the risk of new companies venturing into a given market is high. Barriers to entry are advantages that existing, established companies have over new entrants


Threat of Substitutes: A substitute product uses a different technology to try to solve the same economic need.

Potential factors:

  • Buyer propensity to substitute: This aspect incorporated both tangible and intangible factors. Brand loyalty can be very important as in the Coke and Pepsi example above; however contractual and legal barriers are also effective.

  • Relative price performance of substitute

  • Buyer's switching costs: This factor is well illustrated by the mobility industry. Uber and its many competitors took advantage of the incumbent taxi industry's dependence on legal barriers to entry and when those fell away, it was trivial for customers to switch. There were no costs as every transaction was atomic, with no incentive for customers not to try another product.

  • Perceived level of product differentiation

  • Number of substitute products available in the market

  • Ease of substitution

  • Availability of close substitute

Bargaining Power of Buyer: The bargaining power of customers is also described as the market of outputs: the ability of customers to put the firm under pressure, which also affects the customer's sensitivity to price changes. Firms can take measures to reduce buyer power, such as implementing a loyalty program. Buyers' power is high if buyers have many alternatives. It is low if they have few choices.


Potential factors:

  • Buyer concentration to firm concentration ratio

  • Degree of dependency upon existing channels of distribution

  • Bargaining leverage, particularly in industries with high fixed costs

  • Buyer switching costs

  • Buyer information availability

  • Availability of existing substitute products

  • Buyer price sensitivity

  • Differential advantage (uniqueness) of industry products


Bargaining Power of Supplier: The bargaining power of suppliers is also described as the market of inputs. Suppliers of raw materials, components, labor, and services (such as expertise) to the firm can be a source of power over the firm when there are few substitutes. If you are making biscuits and there is only one person who sells flour, you have no alternative but to buy it from them. Suppliers may refuse to work with the firm or charge excessively high prices for unique resources.


Potential factors are:

  • Supplier switching costs relative to firm switching costs

  • Degree of differentiation of inputs

  • Impact of inputs on cost and differentiation

  • Presence of substitute inputs

  • Strength of distribution channel

  • Supplier concentration to firm concentration ratio

  • Employee solidarity (e.g. labor unions)

  • Supplier competition: the ability to forward vertically integrate and cut out the buyer


Competitive Rivalry: For most industries the intensity of competitive rivalry is the biggest determinant of the competitiveness of the industry. Having an understanding of industry rivals is vital to successfully marketing a product. Positioning depends on how the public perceives a product and distinguishes it from competitors‘. An organization must be aware of its competitors' marketing strategies and pricing and also be reactive to any changes made.


Following is the Porter's Five Forces Model for Asãbaab Designs:





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