1.9 Suppose that Toyota and GM are considering entering a new market for electric automobiles and that their profits (in millions of dollars) from entering or staying out of the market are included a van Gogh, a Cézanne, and an early Picasso

(Vogel, Carol, “Rock, Paper, Payoff,” New York Times, April 29, 2005, A1, A24). He resolved the issue by having the two auction houses’ representatives compete in the playground game of rock-paperscissors.