MIT-Intermediate Applied Microeconomics，David Autor。

contents：lectures, exams and problem sets with solutions.
Lectures 1 and 2 - Introduction and a First Application: The Minimum Wage Debate and Causal Inference in Economics
Lecture 3 - Axioms of Consumer Preference and the Theory of Choice
Lecture 4 - Theory of Choice and Individual Demand
Lecture 5 - xpenditure Function: An Application to he Economics of Food Stamps