How to Use (and Make) EconGraphs
Chris Makler
Stanford University
econgraphs.org
JET SET 2022
Follow and play along: https://bit.ly/econgraphs-jetset
Outline
- Motivation
- Things I've made
- How to create your own!
Motivation
- 10 years in ed tech industry
- Found that interactive graphs are incredibly effective teaching tools
- Most exist behind paywalls/logins
- Decided to make my own as a public good
- Have been using in my own classes since 2015
Uses of Interactives
- Classroom demonstrations
- Student exploration
- In textbook explanations
- Assessment questions
SECRETLY ALREADY PUBLISHED
LONG-TERM PLAN
P
p(q)
Q
The total revenue is the price times quantity (area of the rectangle)
Classroom Demonstration: Marginal Revenue
P
p(q)
Q
\Delta P
\Delta Q
The total revenue is the price times quantity (area of the rectangle)
If the firm wants to sell \(\Delta Q\) more units, it needs to drop its price by \(\Delta P\)
Revenue loss from
lower price on existing sales
Revenue gain from additional sales
\text{marginal revenue} = \Delta P \times Q + \Delta Q \times P
Creating Your Own
- KineticGraphs.org
- Desmos.com
Feedback: cmakler@stanford.edu
Twitter: @econgraphs
Graphs: econgraphs.org
Authoring: kineticgraphs.org
Jet Set 2022
By Chris Makler
