The price elasticity of supply is

The principle that states that what matters to people is the real value or purchasing power of money is the

A) marginal principle. B) spillover principle. C) real-nominal principle. D) principle of diminishing returns.

Price discrimination by a monopolist is less effective if the

A) good can be resold. B) good has no substitutes. C) monopolist can identify buyers by willingness to pay. D) good cannot be resold.