In a monopolistically competitive market there are

An article in the Wall Street Journal in early 2001 noted two developments in the market for laser eye surgery. The first development concerned side effects from the surgery, including blurred vision

The second development was that the companies renting eye-surgery machinery to doctors had reduced their charges. In the market for laser eye surgeries, these two developments A) decreased demand and increased supply resulting in an increase in both the equilibrium quantity and the equilibrium price of laser eye surgeries. B) decreased demand and increased supply, resulting in a decrease in both the equilibrium price and the equilibrium quantity of laser eye surgeries. C) decreased demand and decreased supply, resulting in a decrease in the equilibrium quantity and an increase in the equilibrium price of laser eye surgeries. D) decreased demand and increased supply, resulting in a decrease in the equilibrium price and an uncertain effect on the equilibrium quantity of laser eye surgeries.

If tablet computers are considered substitutes for e-readers, the decline in the price of e-readers would, all else equal,

A) increase the demand for tablet computers. B) decrease the demand for tablet computers. C) increase the quantity of tablet computers demanded. D) decrease the quantity of tablet computers demanded.