
In defence of the Trump playbook
The standard explanation for why charges for plastic bags reduced waste is economic. People were reluctant to pay 10p for a bag and so brought their own instead. This is partly true. But it would still be highly effective if the charge for a bag were merely 1p. That’s because charging any amount, however trifling, was sufficient to change the implicit assumptions about normal retail behaviour. Previously, if you went into Boots and bought, say, a toothbrush and a tube of Anusol, the default was for the cashier to put them in a new bag – it would have seemed rude not to do so. Suddenly, however, the imposition of
