Asocial media site chooses to relate to communities of users based on its goals. if the site is interested in pure publicity, it

Helen tells her nephew, bernard, that she will pay him $100 if he will stop smoking for six months. helen was hopeful that if bernard stopped smoking for six months, he would stop altogether. bernard stops smoking for six months but then resumes his smoking. helen will not pay him. she says that the type of promise she made cannot constitute a binding contract and that, furthermore, it was at least implied that he would stop smoking for good. can bernard legally collect $100 from helen

White truffles are a very prized and rare edible fungus that grow naturally in the countryside near alba, italy. suppose that it costs $200 per day to search for white truffles. on an average day, the total number of white truffles (t) found in alba is t = 20x − x 2 , where x is the number of people searching for white truffles on that day. white truffles can be sold for $100 each. if there is no regulation, how many more people will be searching for white truffles than the socially optimal number?

Upper a fish farm raises salmon and trout.a fish farm raises salmon and trout. the marginal cost of producing each of these products increases as more is produced. draw the firm's ppf. label it ppf1. the fish farmfish farm adopts a new technology that allows it to use fewer resources to feed the salmonfeed the salmon. draw a ppf that shows the impact of the new technology. label it ppf2.