How bait-and-switch sales tricks make us click on online ‘bargains’ – and what to do about it

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You’re browsing a major online marketplace for a warm winter jacket, when a sponsored listing catches your eye: a black, fleece-lined jacket, prominently priced for sale from A$18.99 each. It’s just what you want. So you click through, ready to grab a bargain.

But when you land on the page, then select a jacket from the drop down menu, the price instantly jumps to $39.99.