You are senior in college. You sent your resume to a half-dozen companies hoping to get a job. A month ago you interviewed at ABC Corporation and XYZ Corporation. Two weeks ago XYZ Corporation offered you a job. One week ago you accepted their offer, agreeing to start work a month after graduation. Today you received a much better offer from ABC Corporation.
a) What should you do?

In which of the following games is it clearly the case that the cooperative outcome of the game is good for the two players and bad for society? a. two oil companies own adjacent oil fields over a common pool of oil, and each company decides whether to drill one well or two wells.b. two airlines dominate air travel between city a and city b, and each airline decides whether to charge a "high" airfare or a "low" airfare on flights between those two cities.c. two superpowers decide whether to build new weapons or to disarm.d. in all of the above cases, the cooperative outcome of the game is good for the two players and bad for society