Strategies in Extensive Form Games

Instructions and help about Strategies In Extensive Form Games

let's talk about pure strategies in extensive form game so here first the definition and then i'm going to apply it to the same example we previously worked so for any given extensive form game with set of players histories player function if nature moves nature's probability distribution the information set and the payoffs well the pure strategy for any player i including the nature nature is not a player but we are going to treat it as if he or she is a player when we construct strategies because later when we calculate expected payoffs well then those strategies are going to be incorporated the nature's strategies are going to be incorporated into the utility function and so it's going to make our notations easier so for that reason keep in mind nature is not a player but we are nevertheless going to include it as if it is a player at least when we give the mathematical notations so strategy pure strategy is a function all right which maps information partition of player i into an a