How three words boosted sales by 50% | Nudge Newsletter


"Pre Season SALE"

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Marketing scientists Eric Anderson and Duncan Simester¹ had a simple question:

Does the word “sale” boost sales — even if the price doesn’t change?

To find out, they teamed up with a clothing catalogue company.

Anderson and Simester sent out two versions of the catalogue to 50,000 people.

  • In one, some dresses were labelled “Pre-Season SALE.”
  • In the other, those same-priced dresses had no sale tag.

The result?

Simply adding the word “sale” boosted purchases by over 50%.

This is the anchoring effect. People’s decisions are influenced by reference points, even if they’re irrelevant.

3 more anchoring examples

We're significantly influenced by anchors.

Reading "Pre-Season SALE" encourages us to buy, even without a discount.

But that's not all anchoring does:

1️⃣ A London property firm struggled to persuade new callers to list their homes.

Adding² the anchor “Let me connect you to Peter, our head of sales with 20 years’ experience” to the receptionist welcome script boosted appointments by 20% and contracts by 15%.

2️⃣ Say you need to run 10 km.

Which feels easier? 2 km then 8 km, or 8 km then 2 km?

Research³ says to anchor with the longer distance first.

3️⃣ Tourists spend less⁴ in a country where the nominal value of the currency is high.

You'll overspend when the foreign currency is smaller (e.g., 0.8 EUR = 1 GBP) but underspend when it’s larger (e.g., 150 JPY = 1 GBP).

A massive thank you to today's sponsors.

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Cheers Phill!

P.S. There are a few more spaces on my Nudge Unit course: Sign up here.

¹Anderson, E. T., & Simester, D. I. (2001). Are sale signs less effective? Marketing Science, 20(2), 121–142.

²Martin, S. J. (2024). Influence at work: Capture attention, connect with others, convince people to act. The Economist Edge.

³Kolenda, N. (2020). Imagine reading this book: How mental pictures influence your decisions. Kolenda Entertainment.

⁴Raghubir, P., & Srivastava, J. (2002). Effect of face value on product valuation in foreign currencies. Journal of Consumer Research, 29(3), 335–347.

As a behavioural science practitioner, I believe in the peak-end rule*

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