Khan Academy
Khan Academy: Free Response Question (Frq) on Perfect Competition
Walkthrough the solution to a free response question (FRQ) like the ones you may see on an AP Microeconomics exam. Topics include why price equals marginal revenue (P=MR) for a perfectly competitive firm, how to draw side-by-side market...
Khan Academy
Khan Academy: Economic Profit for Firms in Perfectly Competitive Markets
An important skill in microeconomics is the ability to find a firm's profit. Learn more about how to use a graph to identify the profit-maximizing quantity for a firm in a perfectly competitive market, and identify the area that...
Khan Academy
Khan Academy: Factor Markets Worked Example
In this video, learn how to apply the analysis of factor markets to a sample problem. [10:23]