Two indifference curves can never intersect each other because interse…

Question

Two indifference curves can never intersect each other because intersection would imply that:

Accepted Answer

A. two different satisfaction levels are equal

1. If two curves crossed, a common point would share both satisfaction levels.
2. This would make a higher and a lower level of satisfaction equal, which is logically absurd.
3. Prices, rationality, and budget-line slope are unrelated to this contradiction, so those options are wrong.
_Source: ICAI BoS CA Foundation Paper 4 Business Economics, Ch 2 Unit II "Theory of Consumer Behaviour", p.17_

Answer

the consumer is perfectly rational

Answer

the budget line is downward sloping

Answer

both goods have a zero price

Two indifference curves can never intersect each other because intersection would imply that:

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