Abstract: A method for using predictive analytics to support decision-making on an issue, including steps of: identifying a plurality of players involved in the issue; determining, for each of the plurality of players, a priority of the issue for each player, a power of each player to influence the issue, and a position of each player with regard to the issue; simulating a plurality of rounds of negotiation between each of the plurality of players, wherein each round includes steps of calculating a median voter position, calculating an expected utility for each of the plurality of players, each of the plurality of players receiving a plurality of offers from at least one other player, each of the plurality of players accepting one of the plurality of offers, and updating power and position for each of the plurality of players; and identifying a consensus position and ending the simulation if none of the plurality of players receives an offer.