List and describe three causes for shifts in the demand curve.

With signals from no-claim bonuses and deductibles, a. the marginal cost curve for careful drivers lies to the left of the marginal cost curve for aggressive drivers b. auto insurance companies insure more aggressive drivers than careful drivers because aggressive drivers have a greater need for the insurance c. the market for car insurance has a separating equilibrium, and the market is efficient d. most drivers pay higher premiums than if the market had no signals

By which distribution system is more than 90 percent of u.s. coal shipped? a. pipelinesb. trucksc. waterwaysd. railroadse. none of the above

Braden’s ice cream shop is losing business. he knows that customers are no longer choosing his product because a competing product has become less expensive, yet he has refused to lower his prices. what has happened to braden’s business?