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Twin Butte Energy Ltd TBTEF

Twin Butte Energy Ltd is an oil and natural gas exploration, development and production company with properties located in Western Canada. The firm's operational assets have been sold to West Lake Energy Corp.


GREY:TBTEF - Post by User

Bullboard Posts
Comment by kasparovismeon Apr 23, 2017 11:12am
121 Views
Post# 26154351

RE:RE:RE:RE:shareholders

RE:RE:RE:RE:shareholders Life is but a game . If you want to know why. Read up on Subgame Perfect Equilibrium. .... Backward induction
 
Subgame Perfect Equilibrium
solution concept in game theory
Relationship
Subset of Nash equilibrium
Intersects with Evolutionarily stable strategy
Significance
Proposed by Reinhard Selten
Used for Extensive form games
Example Ultimatum game

In game theory, a subgame perfect equilibrium (or subgame perfect Nash equilibrium) is a refinement of a Nash equilibrium used in dynamic games. A strategy profile is a subgame perfect equilibrium if it represents a Nash equilibrium of every subgame of the original game. Informally, this means that if (1) the players played any smaller game that consisted of only one part of the larger game and (2) their behavior represents a Nash equilibrium of that smaller game, then their behavior is a subgame perfect equilibrium of the larger game. Every finite extensive game has a subgame perfect equilibrium.[1]

A common method for determining subgame perfect equilibria in the case of a finite game is backward induction. Here one first considers the last actions of the game and determines which actions the final mover should take in each possible circumstance to maximize his/her utility. One then supposes that the last actor will do these actions, and considers the second to last actions, again choosing those that maximize that actor's utility. This process continues until one reaches the first move of the game. The strategies which remain are the set of all subgame perfect equilibria for finite-horizon extensive games of perfect information.[1] However, backward induction cannot be applied to games of imperfect or incomplete information because this entails cutting through non-singleton information sets.

 

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