# ECON 244: Advanced Microeconomics Theory in a Mathematical Mode

## Lecture Notes

- October 25: Negative Semidefiniteness, and Concave and Quasiconcave Functions.
- December 04: Math Facts for the Second Welfare Theorem

- October 25: Negative Semidefiniteness, and Concave and Quasiconcave Functions.
- December 04: Math Facts for the Second Welfare Theorem