情境
A consumer faces a budget line for soda and other goods, with a quantity discount on soda when purchases exceed a threshold.
這張圖裡有什麼
看懂背後的決策。
01
Represent the discount as a separate block that switches the effective price
02
Use a single budget constraint block to combine income and prices
Suitable for explaining nonlinear pricing or piecewise budget constraints in consumer theory.