Which of the Following the Best Example of a Cartel

Multiple Choice

Which of the following the best example of a cartel?

A) An association of tobacco companies that attempts to influence anti-tobacco legislation
B) A labor union that raises wages above competitive level by restricting the supply of labor
C) A group of countries that sign an agreement to lower trade barriers and exchange goods and services
D) Firms that register their headquarters in the Cayman Islands in order to evade corporate taxes