Trong một nền kinh tế đóng, giả sử có các hàm số sau:Hàm tiêu dùng: C= 55 + 0,75YdHàm đầu tư: I = 70 + 0,15YChi tiêu của chính phủ: G = 100Hàm thuế ròng: T = 50 + 0,2YSản lượng tiềm năng: Y* = 900Yêu cầu: a) Xác định mức sản lượng cân bằng của nền kinh tế? Hãy nhận xét về tình hình ngân sách của chính phủ?
b) Giả sử các doanh nghiệp tăng các khoản đầu tư là 20. Tính mức sản lượn
c) Từ kết quả câu (b) để đạt được mức sản lượng tiềm năng chính phủ phải sử dụng chính sách tài chính (hay còn gọi là chính sách tài khoá) như thế nào trong trường hợp chỉ sử dụng công cụ G ? G phải tăng hay giảm và bằng bao nhiêu ?g cân bằng mới? Tính số tiền thuế chính phủ thu thêm được?

The price of trade suppose that portugal and sweden both produce rye and wine. portugal's opportunity cost of producing a bottle of wine is 4 bushels of rye while sweden's opportunity cost of producing a bottle of wine is 10 bushels of rye. by comparing the opportunity cost of producing wine in the two countries, you can tell thatportugal/sweden has a comparative advantage in the production of wine.andportugal/sweden has a comparative advantage in the production of rye. suppose that portugal and sweden consider trading wine and rye with each other. portugal can gain from specialization and trade as long as it receives more rye for each bottle of wine it exports to sweden. similarly, sweden can gain from trade as long as it receives more bottles of wine for each bushel of rye it exports to portugal. based on your answer to the last question, which of the following prices of trade (that is, price of wine in terms of rye) would allow both sweden and portugal to gain from trade? a. 1 bushels of rye per bottle of wineb. 8 bushels of rye per bottle of winec. 9 bushels of rye per bottle of wined. 3 bushels of rye per bottle of wine

An investment counselor calls with a hot stock tip. he believes that if the economy remains strong, the investment will result in a profit of $40 comma 00040,000. if the economy grows at a moderate pace, the investment will result in a profit of $10 comma 00010,000. however, if the economy goes into recession, the investment will result in a loss of $40 comma 00040,000. you contact an economist who believes there is a 2020% probability the economy will remain strong, a 7070% probability the economy will grow at a moderate pace, and a 1010% probability the economy will slip into recession. what is the expected profit from this investment?

You are president of a large corporation. at a typical monthly meeting, each of your vice presidents gives standard area reports. in the past, these reports have been good, and the vps seem satisfied about their work. based on situational approach to leadership, which leadership style should you exhibit at the next meeting?