"there is no incentive for firms to enter or exit the industry in the long" run when

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.

Which statement is true of both presidential and parliamentary systems of government? a. the executive branch operates independently from the legislative branch. b. the members of the legislative branch are directly elected by the people. c. the head of government is chosen by members of his or her political party. d. the head of government is directly elected by the people

Wren pork company uses the value basis of allocating joint costs in its production of pork products. relevant information for the current period follows: product pounds price/lb. loin chops 3,000 $ 5.00 ground 10,000 2.00 ribs 4,000 4.75 bacon 6,000 3.50 the total joint cost for the current period was $43,000. how much of this cost should wren pork allocate to loin chops?