所屬科目:研究所、轉學考(插大)-經濟學
8. The accompanying table describes the relationship between the number of workers hired by a call center each hour and the number of calls the call center can make each hour. The call center has only 1 telephone. The telephone costs the firm $5/hour (regardless of how many calls are made), and each worker is paid $10 per hour.Average variable cost is minimized when output is approximately: (A) 6 units (B) 16 units (C) 22 units (D) 24 units (E) Indeterminate from the information given
4. Y= Ca+σ(Y-T) +I +G + X - M, X = θY*, M= βY, where Ca is the autonom spending, X export, M import, Y* foreign income, and all the Greeks indicate coefficients. Derive△ (X-M)/△Y* =___________________
3.A village has six residents, each of whom has acc cumulated savings of $100. Each villager can use this money either to buy a government bond that pays 15 percent interest per year or to buy a year-old goat, send it onto the common field to graze, and sell it after 1 year. The price the villager gets for the 2-year-old goat depends on the quality of the fleece it grows while grazing on the commons. That in turn depends on the animal's access to grazing, which depends on the number of goats sent to the common filed, as shown in the following table:The villagers make their investment decisions one after another, and their decisions are public. The village committee votes to auction the right to graze goats on the common field to the highest bidder. Assuming villagers can both borrow and lend at 15 percent annual interest, the right sells for at auction will be
4.Jamie's marginal utility from muffins and from doughnuts is shown in the accompanying table. Jamie has $18 in the pocket to allow her to consume muffins and/or doughnuts. The price of each mufin is $3 and the price of each doughnut is $2.Within the budget, how much does Jamie need to spend on doughnut to optimize her consumption expenditure?___________