Xem xét một mô hình kinh tế vĩ mô sau đây: Y= C+I+G; C=a+bYd; I= Io; G= Go; Yd=Y-To, trong đó Yd là thu nhập khả dụng; To là thuế.Nếu chính phủ tăng chi tiêu và thuế những khoản bằng nhau. Hãy bình luận chính sách này của chính phủ?Đồng thời cho biết chính sách này tác động lên mô hình IS-LM như thế nào?Giả sử chính phủ muốn thúc đẩy tăng đầu tư của nền kinh tếMà không làm tăng tổng cầu(AD).Như vậy chính phủ sử dụngChính sách tiền tệ và tài khóa gì để đạt được mục tiêu này?

The owners of backstreets italian restaurant are considering starting a delivery service forpizza and their other italian dishes in the small college town where they are located. theycan purchase a used delivery van and have it painted with their name and logo for $21,500.they can hire part-time drivers who will work in the evenings from 5 p.m. to 10 p.m. for$8 per hour. the drivers are mostly college students who study at the restaurant when theyare not making deliveries. during the day, there are so few deliveries that the regular employeescan handle them. the owners estimate that the van will last 5 years (365 days per year)before it has to be replaced and that each delivery will cost about $1.35 in gas and othermaintenance costs (including tires, oil, scheduled service, they also estimate that onaverage each delivery order will cost $15 for direct labor and ingredients to prepare andpackage, and will generate $34 in revenue.a. how many delivery orders must backstreets make each month in order for the service to break even? b. the owners believe that if they have approximately the break-even number of deliveries during the week, they will at least double that number on fridays, saturdays, and sundays. if that’s the case, how much profit will they make, at a minimum, from their delivery service each month (4 weeks per month)?

Martha entered into a contract with terry, an art dealer. according to the contract, terry was to supply 18 th century artifacts to martha for the play she was directing, and martha was ready to pay $50,000 for this. another director needed the same artifacts and was ready to pay $60,000. terry decided not to sell the artifacts to martha. in this case, the court may order terry to:

One of the benefits of a well designed ergonomic work environment is low operating costs is true or false