When a distribution is positively skewed,
a. standard deviation correctly estimates risk
b. standard deviation underestimates risk
c. the tails are fatter than in a normal distribution
d. standard deviation overestimates risk
e. none of the above

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

What business practice contributed most to andrew carnegie’s ability to form a monopoly?

Which of the following is one of the main causes of inflation? a. wages drop so workers have to spend a higher percentage of income on necessities. b. demand drops and forces producers to charge more to meet their costs. c. rising unemployment cuts into national income. d. consumers demand goods faster than they can be supplied.