Identify the following situations as an example of a negative or a positive externality: a. you are a birder (bird watcher), and your neighbor has put up several birdhouses in the yard as well as planting trees and flowers that attract birds. b. your neighbor paints his house a hideous color. c. investments in private education raise your country’s standard of living. d. trash dumped upstream flows downstream right past your home. e. your roommate is a smoker, but you are a nonsmoker.

Amachine purchased three years ago for $720,000 has a current book value using straight-line depreciation of $400,000: its operating expenses are $60,000 per year. a replacement machine would cost $480,000, have a useful life of nine years, and would require $26,000 per year in operating expenses. it has an expected salvage value of $130,000 after nine years. the current disposal value of the old machine is $170,000: if it is kept 9 more years, its residual value would be $20,000. calculate the total costs in keeping the old machine and purchase a new machine. should the old machine be replaced?

You have recently been made a department head of the new regional office. in getting to know your departmental staff, you have noticed that one of your inexperienced employees is not following through on assigned tasks. she is enthused about her new job and wants to get ahead in the organization. which alternative represents the most effective leadership style: a. discuss the lack of follow-through with her and explore thealternative ways this problem can be solved. b. specify what she must do to complete the tasks but incorporate any suggestions she may have. c. define the steps necessary for her to complete the assigned tasks and monitor her performance frequently. d. let her know about the lack of follow-through and give hermore time to improve her performance.

Gif the federal reserve did not regulate fiscal policy, monitor banks and provide services for banks, what would most likely be the economic conditions to transact business in the u.s.? the economy would primarily be based on a barter system rather than a fiat system. there would be no discrimination in lending by local banks. the economy would be less efficient and transactions most likely more costly.