The substitution effect causes more consumption of a good at a lower price.When does this statement hold true?

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The substitution effect, a concept in consumer choice theory, posits that as the price of a good decreases, consumers will substitute away from relatively more expensive goods towards the cheaper good, increasing its consumption. This effect applies universally across different types of goods, including normal, inferior, and Giffen goods, making it a fundamental principle of economic behavior that does not depend on the specific category of goods.

The Substitution Effect Causes More Consumption of a Good at a Lower