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Intermediate microeconomics
Chapter 2
Lectures
Preference symbols
Total order
Indifference curve
More on indifference curves
Perfect substitutes
Perfect complements
Neutrals and bads
Monotonicity
Monotonicity and indifference curves
Convex preferences
Marginal rate of substitution
Marginal rate of substitution, topics
Discrete goods
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Chapter 2
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Perfect substitutes
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Summary
Two goods are
perfect substitutes
if every indifference curve is a straight line
Example: energy supplied by different producers