Acatalog company that receives the majority of its orders by telephone conducted a study to determine how long customers were willing to wait on hold before ordering a product. the length of waiting time was found to be a variable best approximated by an exponential distribution with a mean length of waiting time equal to 2.8 minutes (i. e. the mean number of calls answered in a minute is ). what proportion of callers is put on hold longer than 2.8 minutes?

According to the research in strategic human resources management, answers: firms that are able to use human resource practices to develop socially complex human and organizational resources are able to gain competitive advantage over firms that do not engage in these practices. firms that are able to use human resource practices to develop socially simplistic human and organizational resources are able to gain competitive advantage over firms that do not engage in these practices. firms that are able to use human resource practices to develop socially complex human and organizational resources gain little advantage over firms that do not engage in these practices. firms that are able to use human resource practices to develop socially complex human and organizational resources are at a competitive disadvantage when compared to firms that do not engage in these practices.

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.

Adds up the money earned by producers plus taxes paid to the goverment. a) income approach b) product approach c) expenditure approach