Determinethe effects of supply and demand on different economies.

Which of the following is true in an oligopoly?

• a.)Determining the best price of a product is more important than its marketing.
• b.)Marketing is not needed since demand exists for the product and no one else supplies it.
• c.)Advertising will have little effect on the success of a product and is not needed.
• d.)Focus on telling customers how the features of a product are different from other products.