If the given profit-maximizing monopolist is able to price discriminate, charging each customer the price associated with each given level of output, how much profit will the firm earn?

The demand curve a monopolist uses in making an output decision is

a. the same as the demand curve facing a perfectly competitive firm b. vertical because there are no close substitutes for its product c. horizontal because there are no close substitutes for its product d. the same as the market demand curve e. perfectly inelastic

Unpriced by-products of production or consumption that impose costs on other consumers or firms are known as

a. negative externalities b. effluent fees c. pollution rights d. positive externalities e. moral hazards