Alex wants to measure the nominal 1998 GDP of $873 billion in 2008 dollars. From the data he gathered, he knows the deflator for 1998 is 30 and for 2008, it is 70, and that real interest in those years was 4.23% and 3.21% respectively. If he avoids making a misleading calculation, what will the value be

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