A ________ industry has a relatively small number of firms that dominate a market.

Suppose that today, consumers expect the price of a gallon of gasoline to double in the future. Then today the gasoline

A) demand curve will shift to the right. B) demand curve will shift to the left. C) supply curve will shift to the right. D) supply curve will shift to the left.

For which of the following products is the consumer's demand curve most likely to be vertical?

a. lobster, for a seafood lover b. cars, for high school students c. insulin, for a diabetic d. compact disks, for a music lover e. beef, for a food lover