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Chapter 10
Microeconomics
| Question | Answer |
|---|---|
| Utility | value or satisfaction from consumer consumption |
| Marginal Utility (MU) | the change in utility from consuming an additional unit |
| Diminishing marginal utility | each additional unit of a good adds less to utility than the precious unit |
| 3 main assumptions of rational consumers | 1. All goods provide utility 2. There is no saving 3. Marginal utility diminishes over......... (diminishing marginal utility) |
| Assume that the marginal utilities for the first 3 units of a good consumed are 200, 150, and 125, respectively. The total utility when two units are consumed is: | 350 |
| Optimal consumption bundle | the one that maximizes a consumer's total utility given his or her budget constraint |
| Budget constraint | shows all of the consumption bundles that a consumer can afford given his or her income and the prices |
| The substitution effect (of a change in the price of a good) | the change in the quantity consumed of that good as the consumer substitutes the good that has become relatively cheaper for the good that has become relatively more expensive |
| The income effect (of a change in the price of a good) | change in the quantity consumed of a good that results from a change in the consumer's purchasing power due to the change in the price of the good |
| Normal goods | increase in price causes consumers' purchasing power to drop and reduces consumption ( and vice versa) income effect is negative |
| Inferior goods | increase in price causes consumers' purchasing power to drop and increases consumption (and vice versa) income effect is positive |
| Giffen good | hypothetical inferior good for which the income effect outweighs the substitution effect and the demand curve slopes upward |