When shopkeepers want to lure customers into buying a particular product, they typically offer it at a discount. According to a new study to be published in the
Journal of Marketing
, they are
21
a trick.
A team of researchers, led by Akshay Rao of University of Minnesota, looked at consumers"
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to discounting. Shoppers, they found, much prefer getting something extra free to getting something cheaper. The main reason is that most people are
23
at fractions.
Consumers often struggle to realise,
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, that a 50% increase in
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is the same as a 33% discount in price. They
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assume the former is better value. In an experiment, the researchers sold 73% more hand lotion when it was offered in a
27
pack than when it carried an equivalent discount.
This numerical blind
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remains even when the deal
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favours the discounted product. In another experiment, this time on his undergraduates, Mr. Rao offered two deals on loose coffee beans: 33% extra free or 33%
30
the price. The discount is
31
the better proposition, but the experiment shows the supposedly clever students viewed them
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equivalent.
Marketing types can draw lessons
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just pricing, says Mr. Rao. When advertising a new car"s efficiency, for example, it is more
34
to talk about the number of extra miles per gallon it does,
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the equivalent percentage fall in fuel
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.
There may be lessons for officials
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regulate prices too. Even well-educated shoppers are easily
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. Sending everyone back to school for math seems out of the question.
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more prominently displayed unit prices in shops and advertisements would be a great
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.