+The **Substitution Effect** describes a consumer's shift in demand when a good's [Relative Price](/wiki/relative_price) changes. Consumers tend to substitute towards cheaper alternatives, choosing less of what has become comparatively more expensive, holding [Real Income](/wiki/real_income) constant.
+## See also
+- [Income Effect](/wiki/income_effect)
+- [Price Elasticity](/wiki/price_elasticity)
+- [Consumer Theory](/wiki/consumer_theory)
... 1 more lines