If people buy less of a good at every price when their incomes fall, then that good is a normal good

Suppose that a new bond rating service is established that specializes in rating municipal bonds that had not previously been rated. The likely result would be

A) a shift to the left in the demand curve for municipal bonds. B) a shift to the left in the supply curve for municipal bonds. C) an increase in the equilibrium interest rate. D) a decrease in the equilibrium interest rate.

The SSS Co has a patent on a particular medication. The medication sells for $1 per daily dose and marginal cost is estimated to be a constant at 20¢

Assuming linear demand and marginal cost curves, use this information to estimate the deadweight loss from monopoly pricing if the firm currently sells 1,000 doses per day. Can this loss be justified?