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econ chapter 4
| Question | Answer |
|---|---|
| market | a group of economic agents who are trading a good or service, ad the rules and arrangements for trading |
| market price | the price at which buyers and sellers conduct transactions |
| perfectly competitive market | All sellers an identical good or service numerous buyers and sellers, no buyer or seller is big enough to influence that market every buyer pays and every seller charges the same market price |
| quantity demanded | amount of a good that buyers are willing to purchase at a given price |
| demand schedule | a table that reports the quantity demanded at different prices, holding all else equal |
| demand curve | plots the quantity demanded at different prices |
| law of demand | states the quantity of a good demanded decreases when the price of this good decreases |
| willingness to pay | the maximum price that the buyer is willing to pay for an additional unit of the good |
| diminishing marginal benefit | as you consume more of a good, your willingness to pay for an additional unit declines |
| market demand curve | sum of the individual demand curves of all potential buyers plots the aggregate quantity of a good that consumers are willing to buy at different prices, holding all else equal |
| demand curve shift | shift right means increase in willingness of consumers to acquire good shift left means consumers want things less |
| quantity supplied | the amount of a good that sellers are willing to sell at a given price |
| supply schedule | table that reports the quantity supplied at different prices |
| supply curve | plots the quantity supplied at different prices |
| law of supply | states the quantity of a good offered increases when the price of this good increases |
| willingness to accepts | is the lowest price a seller is willing to get paid to sell an extra unit of good. |
| market supply curve | plots the relationship between the total quantity supplied and the market price, holding all else equal |
| supply curve change | shifts when factors other than own price change change increase= shift right change decrease= shift left |
| competitive equilibrium | price that, at this price, the quantities demanded and supplied r the same point which market agrees about what the price will be (competitive equilibrium price) and how much will be exchanged at that price (competitive equilibrium quantity) |
| excess demand | occurs when consumers want more than suppliers provide at a given price. Situation results in a shortage. |
| excess supply | occurs when suppliers provide more than consumers want a given price. This situation results in a surplus |
| aggregation | process of adding up the individual demand curves to find the market demand consists of fixing the price of the good and adding up the quantity demanded by each buyer |