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EC311 · Intermediate Microeconomics

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EC311 / TOPIC 05

3.1 Engel curves and demand

One idea at a time · explore as you learn1 / 11

How can one event move along an Engel curve while shifting a demand curve?

Top-down scene with coffee, a wallet, a notebook, and several curves crossing a dashed line at an orange point
VISUAL NOTE · Consumer choice Income changes the path of demand

How does higher income at fixed prices differ from a price cut?

EC311 / GRAPHTry changing a value
  1. 01Predict
  2. 02Try
  3. 03Explain
  4. 04Challenge

How does an income change differ from a price change?

Illustrative model numbers, not Thailand or current economic data.

Income rises from 120 with prices fixed. What happens to chosen X?