Reffonomics Video -- Perfect Competition (Graphing, Part IV)

After watching the video, scroll down to take the three multiple choice questions.





1. If an individual firm is earning an economic profit in the short run, then the lowest point on the ATC curve is located:

A) above the P.
B) to the left of the profit-maximizing q.
C) at the profit-maximizing q.
D) to the right of the profit-maximizing q.
E) above MR.




2. To determine the profit-maximizing quantity for an individual firm in a perfectly competitive market, you must find where

A) P = MR.
B) MR = MC.
C) MR = AR.
D) AR = P.
E) MR = AR.




3. To figure profit maximization which of the following items are correct.

i) TR is greater than TC
ii) P > ATC
iii) TR > TC by the greatest amount
iv) P > ATC at the profit-maximizing q

A) i) and ii) only
B) iii) and iv) only
C) i) and iv) only
D) i), iii), and iv) only
E) i), ii), iii), and iv)




Reffonomics College eTextbook

Reffonomics High School eTextbook

Reffonomics Baseball Games

Cell Phone Graphing Activities

FRQs Microeconomics

FRQs Macroeconomics

Steven Reff's Resume/Vitae