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Macro-Economics
Vocabulary Chap 4
| Question | Answer |
|---|---|
| Demand | the desire, willingness, and ability to buy a product |
| Microeconomics | area of economics that deals with behavior and decisions making by small units, such as individuals and businesses |
| Demand Schedule | list of the various quantities demanded of a particular product at all prices that might prevail in the market at any given time |
| Demand Curve | graph of the various quantities demanded of a particular product at all prices that might prevail in the market at any given time |
| Law of Demand | the quantity demanded of a good or service varies inversely with its price |
| Market Demand Curve | demand curve that shows the quantities demanded by everyone who is interested in purchasing the product |
| Marginal Utility | the extra usefulness or satisfaction a person gets from acquiring or using one more unit or a product |
| Diminishing Marginal Utility | the extra satisfaction we get from using additional quantities of the product begins to diminish |
| Change in Quantity Demanded | movement along the demand curve that shows a change in the quantity of the product purchased in response to a change in price |
| Income Effect | change in the quantity demanded because of a change in price that alters consumers real income |
| Substitution Effect | change in the quantity demanded because of a change in the relative price of a product |
| Change in Demand | movement that shifts the demand curve itself; people will buy different amounts of the same products at the same prices |
| Substitutes | products that can be used in the place of another product |
| Complements | products related to another product; the use of the two tends to increase and decrease together |
| Elasticity | measure of responsiveness that tells us how a dependent variable responds to a independent variable ex: quantity responds to price |
| Demand Elasticity | the extent to which a change in price causes a change in the quantity demanded |
| Elastic | a given change in price causes a relatively larger change in quantity demanded |
| Inelastic | a given change in price causes a relatively smaller change in quantity demanded |
| Unit Elastic | a given change in price causes a proportional change in quantity demanded |