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EC311 · Intermediate Microeconomics

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EC311 / TOPIC 02

2.1 Preferences, utility and MRS

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

How can utility numbers change while preference rankings stay the same?

Top-down scene with coffee, a wallet, a notebook, and several curves crossing a dashed line at an orange point
VISUAL NOTE · Consumer choice Different bundles can be equally preferred

More coffee may be welcome while more noise is unpleasant. Both can be objects of choice.

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

What does moving along an indifference curve mean?

Illustrative model numbers, not Thailand or current economic data.

Increase X on the same U=16 curve. What happens to Y?