Individual preferences must be evaluated to take into account the citizens' interests for public decisions. Usually, economists assess individual preferences through market decisions. But more often, public decisions impact goods without market prices. Without a market to refer to, evaluating...

To examine whether four pre-selected front-of-pack nutrition labels improve food purchases in real-life grocery shopping settings, we put 1.9 million labels on 1,266 food products in four categories in 60 supermarkets and analyzed the nutritional quality of 1,668,301 purchases using the FSA...