隔壁老王是一位40多岁的男人，他吸烟嗜酒，超重，不爱运动，还经常参加一些冒险的活动，由于在医疗保险领域的逆向选择问题，那么John is a 55-year-old male smoker, about 50 pounds overweight, who has high blood sugar and drinks to excess a couple of times each month. Because of adverse selection in health insurance,
A. 比起大多数人，老王不太可能购买医疗保险。John is less likely to buy health insurance than the average person, because the average person's policy premiums will be based on his risk, not the average risk.
B. 比起大多数人，老王更可能购买医疗保险。John is more likely to buy health insurance than the average person, because his policy premiums will be based on the average risk, not his personal risk.
C. 老王购买医疗保险的可能性，与大多数人相同。
D. 其他均不对
查看答案
当卖家拥有关于产品的信息多于买家，我们可以预计在最终市场达到相对稳定状态时：When sellers have more information about products than buyers do, we would expect
A. 卖家能够用高质量产品的价格售卖低质量产品 sellers to get higher prices for their goods than they could otherwise.
B. 买家能够用低质量产品的价格购买高质量产品 buyers to pay lower prices for goods than they would otherwise.
C. 高质量产品将低质量产品挤出市场 high-quality goods to drive low-quality goods out of the market.
D. 低质量产品将高质量产品挤出市场 low-quality goods to drive high-quality goods out of the market.
作为市场信号的卖家保证将会更加有价值，当 A warranty is most valuable as a signaling device when
A. 买家比卖家拥有更多的产品信息 the buyer has much more information about the product than the seller does.
B. 卖家比买家拥有更多的产品信息 the seller has much more information about the product than the buyer does.
C. 买家比卖家更了解自身的喜好 the buyer has much more information about his or her own preferences than the seller does.
D. 卖家和买家都不太了解产品 neither the buyer nor the seller has good information about the product.
奥古斯都在2012年购买了一辆全新的宝马敞篷跑车。如今，他想卖掉这辆车。他知道二手车市场中有不少与他的车类似的车，而且这个市场是个信息不对称的柠檬市场。那么，Augustus bought his BMW convertible as a new car in 1998 and knows that it is in excellent condition. He now wants to sell it and knows that there are many other similar cars on the used car market that are lemons. As a result:
A. 因为他的养护的更好，他能卖出高于其他车的价格。he should be able to sell my car at a premium price because of its excellent condition.
B. 由于买家认为二手车市场是柠檬市场，所以他只能把车卖出一个低于其实际质量的价格。he will have to accept a lower price for his car because buyers might think that it is a lemon.
C. 如果他不提供某种保证，就不可能把车卖出去 he will not be able to sell his car unless he offers some sort of guarantee.
D. 如果他把车卖给一个经销商，就能卖出一个最高价。he will get the best price for his car by selling it to a dealer.
垂直一体化是解决敲竹杠问题的唯一办法。
A. 对
B. 错
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