The adoption of barcode scanning technology in the 1970s gave rise to a new form of data: scanner data. Soon afterwards, researchers began using this new resource, and since then a large number of papers have exploited scanner data. The data provide detailed price, quantity, and product...

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...

Food purchases differ substantially across countries. We use detailed household level data from the US, France and the UK to (i) document these differences; (ii) estimate a demand system for food and nutrients, and (iii) simulate counterfactual choices if households faced prices and nutritional...