Strategy

Behavioural economics and segmentation — do we need both?

Bri Williams /

Something I know many of my clients grapple with is how (and whether) behavioural economics intersects with segmentation.

Think of it this way: behavioural economics is about similarities, while segmentation is about differences.

You can survive without segmentation, but you can’t thrive without behavioural economics. Of course, the two methods of understanding behaviour complement each other and work most powerfully in tandem.

Let’s say 100 people are in a room.

A behavioural economics perspective suggests everyone in that room is going to be influenced by the same forces. these forces include:

  • Priming — for example, the type of music playing and the height of the ceiling;
  • Social norms — for example, who else is in the room and what they are doing;
  • Defaults — for example, what drinks are being served; and
  • Framing — for example, what the drinks are called.

By understanding these universal influences, behavioural economics gives us the most efficient way of shaping the behaviour of the group.  Our area of enquiry is not whether people will be influenced, but to what extent and in what direction.

A segmentation view suggests there are sub-groups within those 100 people, and the best way to influence them is to articulate a message that accords with specific wants and needs. We typically use proxies such as age, income, attitude, gender or geography to separate and differentiate.

For our message to be effective, according to a segmentation perspective, it needs to be tailored to people who share common characteristics, with whom it will resonate. It is no use sending me an advertisement for dentures if it isnt something I am interested in.

This is where segmentation gets tricky, however, because in order to make our message efficient, we need to develop segments as large as possible to capture as many people as we can. How deep do you have to go to be effective without losing economies of scale? Writing a personalised letter to every customer might be most effective, but wildly impractical.

Introducing BEgmentation

When it comes to behavioural economics (BE) and segmentation, they are best when used together in a specific sequence. I call this BEgmentation.

In BEgmentation, behavioural economics is the starting point, with each principle applying across the board. It’s an opt-out model, where every principle is assumed to be in play unless there is a good reason for it not to be.

Segmentation is the layer on top, where a more nuanced view of your audience can be developed. That means you could explore how segment one is impacted by messages framed differently, or how the same message impacts segment one and two differently, for example.

The key here is to start with BE so you know the foundations of how behaviour is influenced. If you start with segmentation, you end up having to repeat the process of working out whether a difference between groups is unique to them or something that affects all (in other words, a universal principle).

It’s a bit like the difference between baking a large cake and icing it all at once, or making multiple cupcakes and icing each individually.

Segments of one will be a reality

BEgmentation is only going to become more important. Traditional segmentation will increasingly be automated and personalised, with the customer’s digital paw prints scooped up and interpreted by algorithms and predictive analytics. Your role will less about defining the segments, and more about developing the pre-populated materials that can be delivered automatically.  

The only way to devise effective materials that are generic enough to scale but also personalised is to start with a roadmap of similarities, not differences.

Imagine, you are advertising a dog food sale, for example. You devise an email to customers that, thanks to your knowledge of BE, includes a social norm. The algorithm then drops in the most effective representation of the social norm for each specific person, increasing the odds they will respond. The email offer to one person includes a picture of golden retrievers because the algorithm knows I have one, whereas my neighbour gets an email with pugs. We both click to buy.

NOW READ: “Better outcomes from every interaction”: How to make behavioural economics a habit

NOW READ: Five ways to sharpen your strategy and get your ideas heard

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Bri Williams

Bri Williams is Australia's foremost authority on behavioural economics applied to everyday business and personal effectiveness. Author, speaker and leading consultant, Bri can make your life easier through behavioural science. More at www.briwilliams.com.au.

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