Porter Analysis

Tools to make you THINK differently about your business  

Porter4

When to use it

Porter analysis, also called the "five forces model", is another tool for analysing the external competitive environment a business faces, but whereas PESTEL works at the macro-environmental level (things can’t be controlled by the company), Porter analysis works at the micro-environmental level, where, very significantly, given the company has long enough time frames and deep enough pockets, a far greater influence can be exerted.

I think most readers will have heard the term “competitive advantage”, well the guy that coined that phrase was a then young Harvard Professor by the name of Michael Porter who then went on to set up a consultancy practice and write a number of books about the subject.  So, he was obviously, young (just 32 when the model was first published in Harvard Business Review – a great read by the way), bright, rich and good looking…who says you can’t have everything!

The Porter Model assesses competitive advantage

The Porter Model assesses competitive advantage

What I didn’t know until I started researching this article was that the model was developed in reaction to the SWOT analysis which, apparently, Porter found ad hoc and therefore lacking in rigour.  Our thoughts have always been that the outputs from both the PESTEL and the Porter analysis provide a structured way of establishing the opportunities and threat components of the SWOT.  So, unwittingly, we’ve always used the model as he originally intended! Phew!

The model and what it achieves

The model is an amalgamation of economic thinking applied to the corporate world and is useful in helping companies understand their immediate competitive environment.  The 5 forces dictate the competitive intensity and therefore the attractiveness (or otherwise) of a sector in terms of its profitability.  The more “squeezed” the company is by these five forces the less attractive (read profitable) the sector is likely to be.  The influences that the company can exert are thing like; taking over competitors, buying key components of the supply chain and even buying customers.  It’s time consuming, its expensive but it can completely change the competitive environment.

Let’s now take a peek at each of the components of the model in turn:

Competitive rivalry

For most companies the intensity of competitive rivalry is the major determinant of competitiveness. Essentially, we are asking the question;

“how cut throat is the industry; is it hospitable or hostile?”  Having an understanding of the competition is critical to successfully growing a company, all companies should be aware of their competitors, their marketing and pricing strategy and they should react to any changes made.

Other factors that affect competitive rivalry include:

  • The relative sizes of firms within the sector – is the sector dominated by a small number of big guys, or is there a range of different sized companies?
  • The strategies deployed by competitors – is it cost driven or is it differentiation driven?
  • The competitive environment (hospitable or hostile / online and offline)

Threat of new entrants

Industries that deliver high returns for the players within it will inevitably (read unfortunately) attract new firms into that market; over the longer term the impact of which will be to decrease profitability for the incumbent firms within the sector.  As a result, the higher the “barriers to entry” for new players the longer the existing players can continue to make those high returns.

So, if you are in the window cleaning business the barriers to entry are very small…all you need is a bucket and a ladder …maybe a van.  It does not cost a lot to set up a new window cleaning business.  The barriers to entry are low.  Consider the other end of the spectrum; what if you want to take on Unilever with a new Persil type washing powder.  Not only do you need a new “kick butt” recipe for the washing powder, you also need the kit to make it, very expensive, you also need an absolutely huge advertising budget (at least traditionally you would have!).  The barriers to entry are enormous.  However, just something to think about…if there are high barriers to entry, the barriers to exit are usually equally high!

Other factors that affect the threats new entrants may pose include:

  • Economies of scale
  • Product or service differentiation
  • Ease of switching provider; think banks or any kind of loyalty programme from Costa Coffee loyalty cards to airline frequent flyer programs
  • The expected retaliation

Threat of substitutes

Substitute products will usually use a different approach or technology to solve the same customer requirement.  At a basic level think; beer and wine, (not sure why that occurred to me first!); butter or margarine; meat or fish; landlines or mobiles; cars, planes, trains and ships; and so on. Taking a purist approach, it’s worth thinking hard about this; water is a substitute for Coke, but Pepsi, because it’s essentially the same (sorry, but it is) is not a substitute product but a competitive product. If we increased the marketing spend for water it could conceivably "shrink the pie" for both the Coke and Pepsi [1] products. 

Coke and Pepsi - substitute products

Coke and Pepsi - substitute products

However, if we increased the Pepsi advertising spend it would be more likely "grow the pie" and deliver Pepsi a larger market share at Coke's expense, but in doing so increase consumption of all soft drinks.

Having said that, we are not interested in a purist approach and getting things in the right box…we are interested in using these tools and techniques to drive creative thinking about your business.

Other factors that affect the threats from substitute products include:

  • The tendency of buyers to substitute products. This is influenced by both tangible and intangible factors, for instance; brand loyalty (think Coke and Pepsi again), contractual and legal barriers can also be effective, think mobile phones and many software as a service (SAAS) providers.
  • The relative prices of substitute; think stairs and lifts
  • The cost and ease of switching from one solution to another. Think about your holiday’s you used to have to go to a travel agent or write and get a brochure, you now make a few clicks on your computer or your phone
  • The level (perceived or real) of product differentiation 
  • The number and availability of substitute products in the market

Bargaining power of customers

The bargaining power of customers is about the ability of the customer base to put your company under pressure, which also affects the customer's sensitivity to price changes. The customers power is high if they have numerous alternatives and low if they only have a few.  The loyalty programmes noted above are mechanisms that companies use to reduce customer power. You don’t really want to buy your coffee from Starbucks if you have a Costa card.

Factors that affect the bargaining power of customers include:

  • The concentration of customers relative to the concentration of providers
  • Bargaining leverage…can you bargain for your can of beans at Tesco’s?
  • Switching costs for the customer
  • The availability of information
  • The availability of substitute products
  • Customer price sensitivity

Bargaining power of suppliers

The bargaining power of suppliers is the inverse of that of customers; this time, it is about the ability of the supply chain to put you under pressure. 

If you are building houses and there is only one company that sells bricks, you have no alternative but to buy bricks from them. Suppliers may refuse to work with the firm or charge excessively high prices for their unique resources.  The bargaining power of suppliers is high when there are few substitute products and low when there are many.

Factors affecting the bargaining power of suppliers include:

  • The concentration of suppliers relative to the concentration of customers
  • The availability of substitute suppliers
  • Supplier switching costs relative to the company switching cost
  • The degree of differentiation in the items required

Porters model is useful to assess the competitive environment a company operates within to identify change to any of the above forces that may require a company to re-assess the market place and its position within it. 

How to use the tool

When we are undertaking this sort of work we normally start with a team of people, usually the top team but often significant others, and we brainstorm the PESTEL issues first.  Once we have brainstormed those, we’ll take a break and then brainstorm the PORTER issues.

However, you can set it up so that, initially, everyone does their thinking individually and then brings notes to the table for the brainstorming session.  

Related tools

Tools that PESTEL can be used in conjunction with, or the results from which feed into, include:

  • PESTEL Analysis
  • SWOT analysis (Strengths, Weaknesses, Opportunities and Threats)
  • Critical Success Factors
  • Customer surveys

Downloadable resources

Additional references

  • The Competitive Strategy: Techniques for Analyzing Industries and Competitors – Michael E. Porter – 400 plus pages of enlightening reading …if that’s your thing!
  • Strategic Management: An Analytical Introduction – Luffman et al, the second half of the book includes a bundle of case studies 
 Note [1] Coke and Pepsi are registered trademarks of The Coca-Cola Company and PepsiCo Inc 

 

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