問題詳情
請依下文回答第 16 題至第 20 題Price elasticity of demand (PED) is a measure used in economics to show the relationship between a change in thequantity demanded of a particular good or service and a change in its price. More 16 , it gives the percentagechange in quantity demanded in response to a one percent change in price.PED is often used when discussing price sensitivity in economics. In general, the demand for a good is said tobe elastic, or 17 price changes,when its PED is greater than one. That is, changes in price have a relatively largeeffect on the quantity of a good demanded. 18 , the demand for a good is said to be inelastic when the PED is lessthan one. In such cases, a large change in price is accompanied by a small amount of change in quantity demanded.Price elasticities are almost always negative, although analysts tend to ignore the sign even though this can lead toambiguity. According to the law of demand, when price goes up, demand goes down and vice versa. Thus, only goodswhich do not 19 the law of demand, such as Veblen goods for their exclusive nature and appeal as a statussymbol, have a positive PED.A firm’s revenue is maximized when price is set so that the PED is exactly one. Therefore, knowing PED helpsthe firm decide whether to raise, lower, or 20 price, which would require the firm to charge consumers differentprices for the same product. Typically, if demand is elastic, revenue is gained by reducing price, but if demand isinelastic, revenue is gained by raising price.
【題組】16
(A)passively
(B)passionately
(C)precisely
(D)permanently
參考答案
答案：C
難度：適中0.5
統計：A(0),B(1),C(1),D(0),E(0)
用户評論
【我愛阿，阿愛我】評論
passively adv.被動地；順從地passionately adv. 熱情地；激昂地precisely adv. 精確地，準確地；清晰地，明確地permanently adv.永久地；長期不變地
【確定目標後，專注踏實的實現】評論
Price elasticity of demand (PED) is a measure used in economics to show the relationship between a change in the quantity demanded of a particular good or service and a change in its price.需求價格彈性（PED）是經濟學中用來顯示特定商品或服務所需數量變化與價格變化之間關係的一種方法。More precisely , it gives the percentage change in quantity demanded in response to a one percent change in price.更確切地說，它會根據價格的百分之一變化，提供所需數量變化百分比。PED is often used when discussing price sensitivity in economics. 在討論經濟學的價格敏感性時，經常使用PED。In general, the demand for a good...