PPT-Variants of Nash Equilibrium

CMPT 882 Computational Game Theory Simon Fraser University Spring 2010 Instructor Oliver Schulte 1 Equilibrium Refinements A complex game may have many Nash equilibria Can we predict which one players will choose. Milan Vojnovic. Microsoft Research. Lecture series – Contemporary Economic Issues – University of East Anglia, Norwich, UK, November 10, 2014. This Talk. An . overview. of results of a model of competition-based crowdsourcing services based on . Revision control computer program. Written by Ross Cohen with some design by Bram Cohen. Use Python. Use merging algorithm called “. Codeville. merge”. Used by . BitTorrent. , . Mosuki. Revision control. Let’s Draw a Game Tree…. Problem 6, chapter 2. Information sets in Monte Hall game. In last move, contestant knows which door he chose and which Monte opened. The door that Monte opened is neither the one that contestant opened nor the one with the good prize.. Econ 171. The Hawk-Dove Game. Animals meet encounter each other in the woods and must decide how to share a resource.. There are two possible strategies. . Hawk: Demand the entire resource and be prepared to fight for it.. Fall 2011. Constantinos Daskalakis. Lecture 11. Last. . Lecture. .... 0. n. Generic PPAD. Embed PPAD graph in [0,1]. 3. 3D-SPERNER. canonical . p. .w. . linear . BROUWER. multi-player. NASH. 4-player. What’s . New here?. . Incomplete information: . Example: . Battle of the sexes . game,But. Bob . doesn’t know . what Alice wants . (i.e. her payoffs from possible outcomes). In previous examples we had “. Econ 171. First some problems. The Goblins.. Working backwards.. What if there are 100 Goblins. Todd and Steven Problem. Problem 1 p 281. How many proper . subgames. are there?. 0. 1. 2. 4. 6. The Yule Ball. …. A) 6. B) 5. C) 4. D) 3. E) 2. Clicker Game:. Nash Equilibrium. The real John Nash. Hollywood’s Version. Clicker Question-A Chicken Game. . 0, 0. 0,. 1. . 1, 0. . -10, -10 . Econ 171. The Hawk-Dove Game. Animals meet encounter each other in the woods and must decide how to share a resource.. There are two possible strategies. . Hawk: Demand the entire resource and be prepared to fight for it.. …. A) 6. B) 5. C) 4. D) 3. E) 2. Clicker Game:. Nash Equilibrium. The real John Nash. Hollywood’s Version. Clicker Question-A Chicken Game. . 0, 0. 0,. 1. . 1, 0. . -10, -10 . What’s . New here?. . Incomplete information: . Example: . Battle of the sexes . game,But. Bob . doesn’t know . what Alice wants . (i.e. her payoffs from possible outcomes). In previous examples we had “. (. Mis. )understanding. ?. Number 3.5 page 79. Answer Key claims that: . For player 1 a strictly dominates c. For player 2, y strictly dominates w and x.. These claims are correct.. The key claims that . Short introduction to game theory. 1. 2. Decision . Theory (reminder). (How to make decisions). Decision Theory = . Probability theory + Utility Theory. (deals with chance) (deals with outcomes). solution concepts, and . Refinements of NASH Equilibrium. Tuomas Sandholm. The heart of the problem. In a 1-agent setting, agent. ’. s expected utility maximizing strategy is well-defined. But in a multiagent system, the outcome may depend on...