price discrimination

More than two decades later, the Clayton Antitrust Act of 1914 expanded the Sherman Act by prohibiting business activities, such as price discrimination, that companies could use to lay the groundwork for monopolistic practices.

Coupons basically serve two purposes: advertising, and price discrimination.

Coupons basically serve two functions for businesses--advertising, and price discrimination.

Ending price discrimination means low prices here; it means excessively high prices (and a lot of piracy) there.

But empirical research bears this out; ending price discrimination doesn't necessarily mean consumers get a better deal.

But it threatens to undermine the price discrimination regime which keeps textbooks expensive here and cheap abroad.