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判断题 If a consumer does not have convex preferences, then a point of tangency between her indifference curve and her budget line must be an optimal consumption point
学科：中级微观经济学（双语）
时间：2023-05-07 17:37:10
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题目1单选题
Wanda Littlemore's utility function is U (x, y) = x + 63y2.Her income is 184. If the price of x is 1 and the price of y is 33, how many units of good x will Wanda demandA. 17B. 22C. 24D. 19
题目2单选题
Hans has 27 dollars, which he decides to spend on x and y. Commodity x costs $16 per unit and commodity y costs $10 per unit. He has the utility function U (x, y)=5x2 + 2y2 and he can purchase fractional units of x and yA. Hans will choose only xB. Hans will choose only yC. Hans will chose some of each commodity, but more y than xD. Hans will choose some of each commodity, but more x than y
题目3判断题
With quasi-linear preferences, the slope of indifference curves is constant along all rays through the originA. 对B. 错
题目4判断题
If preferences are transitive, more is always preferred to lessA. 对B. 错
题目5判断题
If a consumer does not have convex preferences, then a point of tangency between her indifference curve and her budget line must be an optimal consumption pointA. 对B. 错
题目6判断题
If there are two goods with positive prices and the price of one good is reduced, while income and other prices remain constant, then the size of the budget set is reducedA. 对B. 错
题目7单选题
<img src="https://tihai-oss-cloud.itihey.com/img/a9c4c3c98d6e126b323d50c4e9810278.png">A. 17B. 22C. 24D. 19
题目8单选题
Isobel consumes positive quantities of both jam and and juice. The price of jam is 5 cents per unit and the price of juice is 10 cents per unit. Her marginal utility of jam is 10 and her marginal utility of juice is 5A. Without changing her total expenditures, she could increase her utility by consuming more jam and less juiceB. Without changing her total expenditures, she could increase her utility by consuming more juice and less jamC. Without changing her total expenditures on jam and juice, she could not increase her utilityD. We can't tell whether any of the other statements are true or false without knowing the quantities she consumes
题目9判断题
If one utility function is a monotonic transformation of another, then the former must assign a higher utility number to every bundle than the latterA. 对B. 错
题目10判断题
If the equlibrium price of gasoline is $1.00 per gallon and the government places a price ceiling on gasoline of $1.50 per gallon, the result will be a shortage of gasolineA. 对B. 错
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