Certain actions by oligopolistic firms can lead to collusion even when they formally do not agree to cooperate

The situation where women tend crops and raise children while men hunt is often found in a

a. mixed economy b. market economy c. command economy d. traditional economy

Once the copyright on a book expires

A) no publisher can claim copyright of that author's words, but the book can be reissued by any publisher. B) only the first publisher to reissue the book can claim copyright of that author's words. C) any publisher can now claim copyright of that author's words. D) no publisher can claim copyright of that author's words because the book can never be reissued.