In open economies, A. countries can save only by acquiring foreign wealth. B. investment always refers to the domestic stock market. C. unlike the case of a closed economy, saving and investment are not necessarily equal. D. saving and investment are necessarily equal contrary to the case of a closed economy. E. as in a closed economy, saving and investment are not necessarily equal.

In which of the following situations would the price of a good be most likely to increase? a. a breakthrough in productive technology enables a company to increase its output. b. an increase in production costs results from a rise in wages. c. there's a sudden increase in the number of companies competing to sell the good. d. a drop in demand happens too quickly for producers to decrease production to keep up.

Suppose there are three types of consumers who attend concerts at your university’s performing arts center: students, staff, and faculty. each of these groups has a different willingness to pay for tickets; within each group, willingness to pay is identical. there is a fixed cost of $1,000 to put on a concert, but there are essentially no variable costs. for each concert: i. there are 140 students willing to pay $20. (ii) there are 200 staff members willing to pay $35. (iii) there are 100 faculty members willing to pay $50. a) if the performing arts center can charge only one price, what price should it charge? what are profits at this price? b) if the performing arts center can price discriminate and charge two prices, one for students and another for faculty/staff, what are its profits? c) if the performing arts center can perfectly price discriminate and charge students, staff, and faculty three separate prices, what are its profits?

Barbara flynn is in charge of maintaining hospital supplies at general hospital. during the past year, the mean lead time demand for bandage bx-5 was 65 (and was normally distributed). furthermore, the standard deviation for bx-5 was 6. ms. flynn would like to maintain a 90% service level.refer to the standard normal table for z-values.a) what safety stock level do you recommend for bx-5? safety stock=)what is the appropriate reorder point? reorder point=