The number of countries belonging to the World Trade Organization (WTO) currently (2013) is about

A decrease in the price of peanuts will cause a leftward shift of the supply curve of peanut butter

a. True b. False

Which of the following statements regarding brand names in advertising is not correct?

a. Brand names provide consumers with information about quality when quality cannot be easily judged in advance of purchase. b. Brand names give firms an incentive to maintain high quality to maintain the reputation of the firm. c. Brand names allow firms to produce and sell inferior products in the long run since people will continue to purchase the brand-name product. d. Brand names can cause consumers to perceive differences in products that do not actually exist.