When marginal revenue is zero for a monopolist facing a downward-sloping straight-line demand curve, the price elasticity of demand is:

The largest category of capital-market instrument is

A) corporate stock. B) large-denomination negotiable certificates of deposit. C) U.S. government securities. D) commercial and consumer loans.

Typically, marginal utility is higher when a person consumes less of a good

Indicate whether the statement is true or false