When a monopolist switches from charging a single price to practicing perfect price discrimination, it reduces

The Pre-Existing Condition Insurance Plan is a federally administered part of the Affordable Care Act, and is designed for people with pre-existing medical conditions to obtain insurance. By offering health insurance to all U.S

citizens with pre-existing medical conditions, the Pre-Existing Condition Insurance Plan eliminates ________ for both the insurer and the insured, and eliminates ________ for the issuer of the insurance policy. A) the principal-agent problem; moral hazard B) adverse selection; the principal-agent problem C) asymmetric information; adverse selection D) moral hazard; adverse selection

A competitive employer will hire inputs up to the point where the:

A.  Marginal product of the input reaches a maximum B.  Price of the input equals the price of the output C.  Price of the input equals the marginal product of the input D.  Price of the input equals the marginal revenue product of the input