Which of the following is the best example of oligopoly?

Is the $846 billion that electricity producers would pay for the right to emit greenhouse gasses part of the opportunity cost of producing electricity?

What will be an ideal response?

Economic growth is

A) an increase in the per person real production in a nation. B) an increase in stock market values. C) an increase in real estate values. D) an increase in the number of people employed in agriculture.