There are k players, with player i having value vi > 0, i = 1, . .
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There are k players, with player i having value vi > 0, i = 1, . . . , k. In every period, two of the players play a game.Whoever wins then plays the next game against a randomly chosen one of the other k − 1 players (including the one who has just lost). Suppose that whenever i and j play, i wins with probability vi vi+vj
. Let Xn denote the winner of game n.
(a) Give the transition probabilities of the Markov chain {Xn,n ≥ 1}.
(b) Give the stationarity equations that are uniquely satisfied by the πj .
(c) Give the time reversibility equations.
(d) Find the proportion of all games that are won by j , j = 1, . . . , k.
(e) Find the proportion of games that involve player j as one of the contestants.
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