Economists, as well as courts dealing with antitrust cases, often use which concept to measure whether a firm has monopoly power in supplying a good or service in the given market?

Take it all away has a cost of equity of 10.63 percent, a pretax cost of debt of 5.33 percent, and a tax rate of 35 percent. the company's capital structure consists of 71 percent debt on a book value basis, but debt is 31 percent of the company's value on a market value basis. what is the company's wacc?

John novosel was employed by nationwide insurance company for fifteen years. novosel had been a model employee and, at the time of discharge, was a district claims manager and a candidate for the position of division claims manager. during novosel's fifteenth year of employment, nationwide circulated a memorandum requesting the participation of all employees in an effort to lobby the pennsylvania state legislature for the passage of a certain bill before the body. novosel, who had privately indicated his disagreement with nationwide's political views, refused to lend his support to the lobby, and his employment with nationwide was terminated. novosel brought two separate claims against nationwide, arguing, first, that his discharge for refusing to lobby the state legislature on behalf of nationwide constituted the tort of wrongful discharge in that it was arbitrary, malicious, and contrary to public policy. novosel also contended that nationwide breached an implied contract guaranteeing continued employment so long as his job performance was satisfactory. what decision as to each claim?

Ok, so, theoretical question: if i bought the mona lisa legally, would anyone be able to stop me from eating it? why or why not?