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.

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, Joe’s opportunity cost of selling a truck is selling: A.4 cars. B.1/3 of a car. C.9 cars. D.1 car. 正确答案：1 car.

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, Ralph’s opportunity cost of selling a truck is selling: A.1/4 of a car. B.3 cars. C.4 cars. D.1/3 of a car. 正确答案：1/4 of a car.

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, Joe’s opportunity cost of selling a car is _ than Ralph’s, and Joe’s opportunity cost of selling a car is _ than Larry’s. A.less; greater … 阅读详情>> "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, Joe’s opportunity cost of selling a car is _ than Ralph’s, and Joe’s opportunity cost of selling a car is _ than"

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, _ should specialize in truck sales, and _ should specialize in car sales. A.Larry; Ralph B.Larry; Joe C.Joe; Ralph D.Ralph; Larry 正确答案：Ra … 阅读详情>> "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, _ should specialize in truck sales, and _ should specialize in car sales."

The textbook notes that the last time a major league batter hit .400 was in 1941. This is because: A.baseball diamonds have become larger. B.the league imposes harsh penalties for steroid use. C.the average quality of batters has fallen. D.specialization by pitchers, infielders, … 阅读详情>> "The textbook notes that the last time a major league batter hit .400 was in 1941. This is because:"