ECON-101 Lecture Notes - Lecture 10: Marginal Revenue, Perfect Competition, Market Power

21 views2 pages

Document Summary

Perfect competition properties: many buyers and many sellers (price takers, perfect information, homogenous products (law of one price, free entry and exit (equal access to resources) every firm = clone, no market power. Tr = p * q (total revenue) = price (constant in perfect comp. ) x quantity. Slope of total revenue function = price = average revenue = marginal revenue (amount of revenue when 1 more unit sold) Ar = mr = p (in perfect markets) Profit is max when mr = mc because rational people think at the margin. Profit = (p * q) (ac * q) If p > ac = profit = enter market. If p < ac = no profit = exit market. Make decision based on ac, either enter or exit. 1: ar = p = mr = mc = ac. Compare to others in the market and make their price the same.

Get access

Grade+20% off
$8 USD/m$10 USD/m
Billed $96 USD annually
Grade+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
40 Verified Answers
Class+
$8 USD/m
Billed $96 USD annually
Class+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
30 Verified Answers

Related Documents

Related Questions