Nutrition-oriented public health campaigns – both communication and intervention initiatives – often target particular demographic groups, for example schoolchildren, adults at workplaces, older women, presuming that the members of these groups are homogenous with respect to healthy eating....

Retailer price promotions, and in particular multi-unit promotions such as the ubiquitous “buy one, get one” deal, are often criticized as a cause of food waste, presumably because they lure households into buying more than they can realistically consume. In this research, the authors...