How do economists use economic models

Which of the following statements is true regarding the definition of a fund? a fund is a fiscal entity which is designed to provide reporting that demonstrates conformance with finance-related legal and contractual provisions separately from gaap reporting. a fund exists to assist in carrying on activities and attaining objectives where there are no specific rules or restrictions. a fund is an accounting entity which is designed to enable reporting in conformity with gaap without being restricted by legal or contractual provisions. a fund is a mechanism developed to provide accounting for revenues and expenditures that are subject to certain restrictions separate from revenues and expenditures that are not subject to restrictions.

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.

Issued to the joint planning and execution community (jpec) initiates the development of coas; it also requests that the supported ccdr submit a commander's estimate of the situation with a recommended coa to resolve the situation (joint force command and staff participation in the joint operation planning and execution system, page 10)