Aiesha is dissatisfied with the conversion rate that her ads are generating for her retail website. She wants to make some changes to improve the conversion rate. What should she do to achieve this? (Choose two.)

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