Cho biết hàm cầu đối với một loại hàng hóa nhất định là ( USD / đơn vị sản phẩm ) P = -0,21. Q ^ ( 2 ) -0,84.Q+ 50 Thặng dư của người tiêu dùng tại mức lượng cân thị trường Q = 9 là kết quả nào sau đây ?

Ajustification for job training programs is that they improve worker productivity. suppose that you are asked to evaluate whether more job training makes workers more productive. however, rather than having data on individual workers, you have access to data on manufacturing firms in ohio. in particu- lar, for each firm, you have information on hours of job training per worker (training) and number of nondefective items produced per worker hour (output). (i) carefully state the ceteris paribus thought experiment underlying this policy question. (ii) does it seem likely that a firm’s decision to train its workers will be independent of worker characteristics? what are some of those measurable and unmeasurable worker characteristics? (iii) name a factor other than worker characteristics that can affect worker productivity. (iv) if you find a positive correlation between output and training, would you have convincingly established that job training makes workers more productive? explain.

In a team environment, a coordinator is? a person with expert knowledge or skills in a particular area the team needs. a good listener who works to resolve social problems among teammates. a leader who team members focus on their tasks. a good networker who likes to explore new ideas and possiblities.

Select the correct answer. sarah works in a coffee house where she is responsible for keying in customer orders. a customer orders snacks and coffee, but later, cancels th snacks, saying she wants only coffee. at the end of the day, sarah finds that there is a mismatch in the snack items ordered. which term suggest data has been violated? a. security b. integrity c. adding d. reliability e. reporting