Steven M. Reff
Economics Lecturer
University of Arizona
(2007 - 2016)
The 2015 University of Arizona
Five-Star Faculty Award
2022 Moveable AND Drawable Graphs
Microeconomics
PPF Graph, I
PPF Graph, II
Supply and Demand, I
Price Floor and Price Ceiling
Shortage and Surplus, I
Supply and Demand, II
Shortage and Surplus, II
Per-Unit Tax
Consumer and Producer Surplus
Supply and Demand, III
Shortage and Surplus, III
PPF Graph, III
PPF Graph, IV (COVID Instruction)
Supply and Demand, III (COVID Instruction)
Consumer and Producer Surplus (Cell Phone)
Shortage and Surplus, IV (Cell Phone)
PPF Graph, IV (Cell Phone)
Supply and Demand, III (Cell Phone)
Price Floor and Price Ceiling (COVID Instruction)
Unit 1:  Introduction to Economics
Unit 2:  Supply and Demand
Unit 3:  Costs and Perfect Competition
Utility Graph (TU and MU)
Short-Run Costs (ATC and AVC)
Long-Run Average Total Cost
Perfect Competition (Firm and Market)
Short-Run Costs (ATC, AVC, and MC)
Short-Run Costs (AFC with ATC and AVC)
Perfect Competition (Firm Shut-Down Rule)
Short-Run Costs (FC, VC, and TC)
PC Constant Cost Industry
PC Increasing Cost Industry
PC Decreasing Cost Industry
Students PROBABLY DO NOT have to graph the 3 industry graphs below,
but must know the concepts related to these 3 graphs.
Perfect Competition (COVID Instruction)
Costs Graphs (COVID Instruction)
Unit 4:  Imperfect Competition
Monopoly Graph
Monopoly and Perfect Competition
Natural Monopoly
Oligopoly Game Theory Matrix
Monopoly Graph Per-Unit Tax/Subsidy
Monopoly Graphs (COVID Instruction)
Oligopoly Game Theory (COVID Instruction)
Monopolistic Competition Firm Graph