Which option is not an instance of applying ‘nudge’ theory?
- AA chain of coffee shops offers its customers a larger coffee if they bring their own reusable cup.
- BA government imposes an indirect tax on the purchase of sugary snacks, to try to reduce childhood obesity.
- CA government introduces an opt-out system for organ donation, to try to increase the number of organs donated.
- DA restaurant chain introduces smaller-sized main courses on its menu, to try to reduce the volume of food wastage.