An upward-sloping straight line on a linear scale will become a (an) ________ on a logarithmic scale

The United States Postal Service (USPS) is the only organization allowed to deliver first-class mail in the United States. The market structure that best fits the USPS is probably

A) perfect competition. B) monopolistic competition. C) monopoly. D) oligopoly.

If you are informed copper prices will fall in the next few months, you should ________ copper futures

But if that information becomes common knowledge, others will do the same thing, and the price of copper futures will ________. A) buy; rise B) sell; rise C) buy; fall D) sell; fall