People at home and trade negotiators in Geneva cannot bargain what they do not understand, and what they bargain must be based on consensual understanding among the relevant actors, whether or not they agree on what to do about it. Consensual understanding is endogenous, arising in an...

Despite the presence of food miles labels and carbon labels on the market for many years, relatively little data is available on how consumers respond to these labels. It is one thing to show people saying in surveys they will use carbon labels, and quite another to have evidence of people...