Thị trường gạo được cho bởi phương trình sau: PD = 8,26 – QD
PS = 3QS – 12,8 (P: nghìn đồng/kg, Q: kg)
a. Tính hệ số co giãn cung và cầu theo giá tại điểm cân bằng? (2.0 điểm)
b. Để hỗ trợ cho người sản xuất Chính phủ trợ cấp 1,98 nghìn đồng/kg thì khoản tiền
Chính phủ phải chi ra là bao nhiêu? Người tiêu dùng và nhà sản xuất ai được hưởng
trợ cấp nhiều hơn? (3.0 điểm)

Which of the following best explains how the invention of money affected the barter system? a. the invention of money supplemented the barter system by providing a nonperishable medium of exchange b. the invention of money completely replaced the barter system with a free-market system c. the invention of money had no effect on the barter system d. the invention of money drastically reduced the value of goods used in the barter system 2b2t

Identify and describe a variety of performance rating scales that can be used in organizations including graphical scales, letter scales, and numeric scales.

Afirm plans to begin production of a new small appliance. the manager must decide whether to purchase the motors for the appliance from a vendor at $10 each or to produce them in-house. either of two processes could be used for in-house production; process a would have an annual fixed cost of $200,000 and a variable cost of $7 per unit, and process b would have an annual fixed cost of $175,000 and a variable cost of $8 per unit. determine the range of annual volume for which each of the alternatives would be best. (round your first answer to the nearest whole number. include the indifference value itself in this answer.)