Why do firms label their products to say they have been advertised on TV when this information may seem irrelevant and doesn’t appear to convey a message to the consumer about the quality or function of the good?

Well in fact, such a practise, does convey a message to consumers. At least about the quality. To advertise on TV firms have to spend thousands if not millions of pounds to secure an advert slot. To spend this much money on promoting and marketing a product it shows that the producers are confident that the product will sell well, and to do this it must be worthwhile and of a high quality. [...]