elaborating on its key principles in the context of online advertising and offering practical guidance on how to apply these … businesses in four areas of online advertising: (i) misleading marketing practices; (ii) ad identification; (iii) endorsements …

valorem sales tax on Web services (so-called Web Tax) that are provided free of charge to users, and produce advertising space …-neutral preferences and Web companies compete in a Cournot-Nash fashion on the advertising market but enjoy monopolistic power in the …