If interest rates rise in the United States relative to those in the rest of the world, the exchange value of the dollar will tend to appreciate

The above figure shows the market for a prescription drug. What is the equilibrium price of the drug? How many doses are purchased? Suppose the government imposes a price ceiling of $1.50 a dose

How many doses are purchased after the price ceiling is imposed?

If the income elasticity of a good is negative, say –1.8, we can infer that the good is a(n)

a. luxury good, such as holiday travel b. substitute good, such as Pepsi, with Coke available c. complementary good, such as Pepsi, with a candy bar available d. inferior good, such as a non-color televison e. essential good, such as food