A study of the impact of various government policies on economic growth would be considered: A.government economics. B.marginal economics. C.macroeconomics. D.microeconomics. 正确答案：macroeconomics.

The field of economics that would be most concerned with a recent fall in interest rates is: A.macroeconomics. B.microeconomics. C.economic naturalism. D.marginal economics. 正确答案：macroeconomics.

An economic naturalist is someone who: A.has an innate talent for using economic concepts. B.applies economic insights to understand everyday life. C.studies the process of natural selection in a cost-benefit framework. D.uses economic arguments to protect the environment. 正确答案：a … 阅读详情>> "An economic naturalist is someone who:"

With ATMs, it is possible to retrieve cash from the bank at any time. One hundred years ago, one could only get cash from the bank during business hours, say, 9 am to 3 pm. The present availability of 24-hour service has arisen because: A.government forced banks to become more co … 阅读详情>> "With ATMs, it is possible to retrieve cash from the bank at any time. One hundred years ago, one could only get cash from the bank during business hours, say, 9 am to 3 pm. The present availability of 24-hour service has arisen because:"

The number of U.S. households with access to the Internet is growing rapidly. Compared to 50 years ago, one would predict that when considering a major purchase, people today will gather: A.more information because the Internet has increased the cost of gathering information. B.l … 阅读详情>> "The number of U.S. households with access to the Internet is growing rapidly. Compared to 50 years ago, one would predict that when considering a major purchase, people today will gather:"

Every time you go to the grocery store, you try to wait in the shortest line. But the lines always seem to be roughly the same length. Why? A.The cashiers work at the same speed. B.The cashiers do not have an incentive to work faster. C.Random chance equalizes the length of the l … 阅读详情>> "Every time you go to the grocery store, you try to wait in the shortest line. But the lines always seem to be roughly the same length. Why?"

Suppose there are two parallel highways between two cities with approximately equal traffic. What would you expect to happen if the state began charging tolls to drive on one of those highways? A.Traffic would decrease on both roads. B.More drivers would drive on the toll road ma … 阅读详情>> "Suppose there are two parallel highways between two cities with approximately equal traffic. What would you expect to happen if the state began charging tolls to drive on one of those highways?"

During times of high unemployment, colleges often observe an increase in enrollment even if tuition remains unchanged. Why? A.The benefit of attending college is lower because college graduates are less likely to find jobs. B.The opportunity cost of attending college is higher wh … 阅读详情>> "During times of high unemployment, colleges often observe an increase in enrollment even if tuition remains unchanged. Why?"

The last time gas prices increased drastically, sales of large Sport Utility Vehicles (SUVs) fell. Why? A.Higher gas prices increased the benefit of driving an SUV. B.Higher gas prices increased the cost of driving a SUV. C.Higher gas prices lowered the benefit of driving an SUV. … 阅读详情>> "The last time gas prices increased drastically, sales of large Sport Utility Vehicles (SUVs) fell. Why?"

Due to the fact that Curly used his frequent flyer miles to fly to visit Moe, Curly told Moe that it didn’t cost him anything to visit. Is Curly correct? A.No, because Curly had to pay for earlier trips in order to earn the frequent flyer miles. B.No, because Curly could have use … 阅读详情>> "Due to the fact that Curly used his frequent flyer miles to fly to visit Moe, Curly told Moe that it didn’t cost him anything to visit. Is Curly correct?"

Pat can either drive to work, which takes half an hour and uses $1.50 worth of gas, or take the bus, which takes an hour and costs $1.00. How should Pat get to work? A.Pat should drive because it saves half an hour relative to taking the bus. B.Pat should drive if saving half an … 阅读详情>> "Pat can either drive to work, which takes half an hour and uses $1.50 worth of gas, or take the bus, which takes an hour and costs $1.00. How should Pat get to work?"

Dent ‘n’ Scratch Used Cars and Trucks employs 3 salesmen. Data for their sales last month are shown in this table: Based on last month’s data, Larry’s opportunity cost of selling a truck is selling: A.1/2 of a car. B.1 car. C.2 cars. D.10 cars. 正确答案：2 cars.