Read "The Clock that Had no Hands" by Herbert Kaufman online for free on Textopian. Full text with search, annotations, highlights, and AI-powered reading aids.
Every dollar spent in advertising is not only a "seed" dollar which "produces a profit" for the merchant, but is actually "retained" by him even "after he has paid it to the publisher".
Advertising creates "a good will" equal to the cost of the publicity.