One characteristic of an efficient tax system is that it minimizes the costs associated with revenue collection

A firm's level of investment is tied to the interest rate

a. only when the firm has to borrow funds to buy capital b. only when the firm has to borrow funds to buy stocks c. only when the firm already has the funds and could lend them d. because the interest rate represents the opportunity cost of investing in capital e. because investments are always made with borrowed funds

De minimis risk

a. is the goal required by law under President Reagan’s Executive Order 12291 b. is applicable only to voluntary risk c. is a negligible level of risk such that reducing it further would not be cost justified d. is identical to a zero-risk standard