# MIT 14.01 notes

[Lecture 4 - Demand Curves and Income/Substitution Effects](https://hackmd.io/kEDQaBOERjulXNG4rvOixw)

[Lecture 5 - Production Theory](https://hackmd.io/@cs-noob/Byiql1Y2w)

[Lecture 6 - Costs](https://hackmd.io/@cs-noob/B1bnV153D)

[Lecture 7 - Competition I](https://hackmd.io/zJ-tA-4MQUueGnfn9cIAvw)

[Lecture 8 - Competition II](https://hackmd.io/cdyCEyS7R1GgKAd0YzIIPQ)

[Lecture 9 - Supply and Demand & Consumer/Producer Surplus](https://hackmd.io/k25sMkNUSgiYUZTcYWQ_9g)