The substitution effect is when a person substitutes one god for another when the price of ... produces a good at a lower opportunity cost than its competitors. This does not mean it has to ...

The cross elasticity of demand for substitute ... in the price of another product. It measures how demand for one good changes when the price of another typically related good does.

Spending on skin substitutes ... price of the product. Anti-kickback laws prohibit doctors from receiving financial rewards from drug companies or medical suppliers. And although Medicare does ...