Trong một thị trường cạnh tranh hoàn hảo, X là hàng hóa đồng nhất được sản xuất và tiêu dùng bởi rất nhiều người trên thị trường. Hàm số cung và hàm số cầu thị trường của hàng hóa X được ước lượng như sau: (S): PS = QS + 130
(D): PD = - 2QD + 400
(Đơn vị tính của QD, QS là đơn vị sản phẩm, đơn vị tính của P là đơn vị tiền/sản phẩm)
Giả sử các doanh nghiệp tham gia sản xuất trên thị trường này đều có hàm tổng chi phí sản xuất như nhau: TC = 25q2 + 20q + 225
Mức giá thị trường là bao nhiêu thì doanh nghiệp bị lỗ nhưng vẫn tiếp tục sản
xuất để tối thiểu hóa lỗ?

The typical consumer's food basket in the base year 2015 is as follows: 30 chickens at $4 each 10 hams at $5 each 10 steaks at $8 each a chicken feed shortage causes the price of chickens to rise to $5.00 each in the year 2016. hams rise to $7.00 each, and the price of steaks is unchanged. a. calculate the change in the "cost-of-eating" index between 2015 and 2016. year cost of the basket 2015 $ 2016 $ instructions: enter your responses rounded to one decimal place. the official cost-of-eating index has by %. b. suppose that consumers are completely indifferent between two chickens and one ham. for this example, how large is the substitution bias in the official "cost-of-eating" index? the in the cost-of-eating index is %. the of inflation in the cost of eating reflects substitution bias.

Examine the following book-value balance sheet for university products inc. the preferred stock currently sells for $30 per share and pays a dividend of $3 a share. the common stock sells for $16 per share and has a beta of 0.9. there are 2 million common shares outstanding. the market risk premium is 9%, the risk-free rate is 5%, and the firm’s tax rate is 40%. book-value balance sheet (figures in $ millions) assets liabilities and net worth cash and short-term securities $ 2.0 bonds, coupon = 6%, paid annually (maturity = 10 years, current yield to maturity = 8%) $ 5.0 accounts receivable 3.0 preferred stock (par value $15 per share) 3.0 inventories 7.0 common stock (par value $0.20) 0.4 plant and equipment 21.0 additional paid-in stockholders’ equity 13.6 retained earnings 11.0 total $ 33.0 total $ 33.0 a. what is the market debt-to-value ratio of the firm? (do not round intermediate calculations. enter your answer as a percent rounded to 2 decimal places.) b. what is university’s wacc? (do not round intermediate calculations. enter your answer as a percent rounded to 2 decimal places.)

Your own record of all your transactions. a. check register b. account statement