Trong mô hình hai quốc gia (1, 2) và hai sản phẩm (X, Y): Quốc gia 1 có năng suất 6X và 4Y (giờ/người); Quốc gia 2 có năng suất 1X và 2Y (giờ/người); Tỷ lệ trao đổi mậu dịch là 6X = 6Y. a. So sánh lợi ích tăng thêm của 2 nước khi thương mại với nhau. (1 đ) b. Xác định khung trao đổi mậu dịch giữa hai quốc gia.

Aldrich and co. sold goods to donovan on credit. the amount owed grew steadily, and finally aldrich refused to sell any more to donovan unless donovan signed a promissory note for the amount due. donovan did not want to but signed the note because he had no money and needed more goods. when aldrich brought an action to enforce the note, donovan claimed that the note was not binding because it had been obtained by economic duress. was he correct? [aldrich & co. v. donovan, 778 p.2d 397 (mont.)]

For the year ended december 31, a company has revenues of $323,000 and expenses of $199,000. the company paid $52,400 in dividends during the year. the balance in the retained earnings account before closing is $87,000. which of the following entries would be used to close the dividends account?

As a result of a labeling mistake at the chemical factory, a farmer accidentally sprays weedkiller rather than fertilizer on half her land. as a result, she loses half of her productive farmland. if the property of diminishing returns applies to all factors of production, she should expect to seea. a decrease in the marginal productivity of her remaining land and an increase in the marginal productivity of her labor. b. an increase in the marginal productivity of her remaining land and an increase in the marginal productivity of her labor. c. an increase in the marginal productivity of her remaining land and a decrease in the marginal productivity of her labor. d. a decrease in the marginal productivity of her remaining land and a decrease in the marginal productivity of her labor.