<?xml version="1.0" encoding="UTF-8"?>

<record version="9" id="3189">
 <title>game</title>
 <name>Game</name>
 <created>2002-07-23 22:39:53</created>
 <modified>2003-06-13 15:52:51</modified>
 <type>Definition</type>
 <creator id="455" name="Henry"/>
 <author id="455" name="Henry"/>
 <classification>
	<category scheme="msc" code="91A99"/>
 </classification>
 <defines>
	<concept>outcome</concept>
	<concept>game</concept>
	<concept>player</concept>
	<concept>utility function</concept>
	<concept>payoff</concept>
 </defines>
 <related>
	<object name="CommonKnowledge"/>
	<object name="NormalFormGame"/>
	<object name="CompleteInformation"/>
	<object name="Strategy2"/>
 </related>
 <preamble>% this is the default PlanetMath preamble.  as your knowledge
% of TeX increases, you will probably want to edit this, but
% it should be fine as is for beginners.

% almost certainly you want these
\usepackage{amssymb}
\usepackage{amsmath}
\usepackage{amsfonts}

% used for TeXing text within eps files
%\usepackage{psfrag}
% need this for including graphics (\includegraphics)
%\usepackage{graphicx}
% for neatly defining theorems and propositions
%\usepackage{amsthm}
% making logically defined graphics
%\usepackage{xypic}

% there are many more packages, add them here as you need them

% define commands here</preamble>
 <content>In general, a \emph{game} is a way of describing a situation in which \emph{players} make choices with the intent of optimizing their \emph{utility}.  Formally, a game includes three features:
\begin{itemize}

\item a set of pure strategies for each player (their strategy space)

\item a way of determining an \emph{outcome} from the strategies selected by the players

\item a utility function for each player specifying their \emph{payoff} for each outcome

\end{itemize}</content>
</record>
