Consumers become less price sensitive when spending with credit card

Cash says goodbye. A card merely beeps.

That tiny difference has an enormous commercial life. Stored payment details remove the awkward ceremony of finding a wallet. Instalments move pain into several smaller future selves. Games translate pounds into gems so neatly that a child—and plenty of adults—would need an exchange-rate desk to understand the purchase.

Calling all friction “bad UX” is convenient bollocks. Friction can be a cost, but it can also be a moment of comprehension. Nobody needs a cooling-off ritual before tapping for a sandwich. Financing a sofa, beginning an annual contract or buying a sack of imaginary crystals deserves rather more than a cheerful animation.

This also ruins lazy willingness-to-pay research. What someone says they would pay in a survey is not necessarily what they bid in an auction, accept as a monthly instalment or spend through a saved card at 11.40pm. Payment is not plumbing attached after the offer. It changes the offer’s felt price.

Businesses should therefore measure the morning after, not only the click: refunds, cancellations, arrears, complaints and “What the hell is this?” support messages. Making a wanted purchase easy is service. Making the total cost psychologically absent is extraction with good typography.

The beep is useful. It just should not be allowed to lie.

Behavioural principles

Behavioural ideas at play in this post

Short, plain-English explanations of the principles behind this post, with links to related books and examples in the archive.