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	<title>Bill&#039;s Notebook &#187; game theory</title>
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		<title>Nothing New Here: Review of &#8220;The Predictioneer&#8217;s Game&#8221;</title>
		<link>http://blog.billbrantley.com/2009/11/30/nothing-new-here-review-of-the-predictioneers-game/</link>
		<comments>http://blog.billbrantley.com/2009/11/30/nothing-new-here-review-of-the-predictioneers-game/#comments</comments>
		<pubDate>Tue, 01 Dec 2009 02:14:34 +0000</pubDate>
		<dc:creator>bill</dc:creator>
				<category><![CDATA[game theory]]></category>
		<category><![CDATA[behavioral economics]]></category>
		<category><![CDATA[rational choice theory]]></category>

		<guid isPermaLink="false">http://blog.billbrantley.com/?p=56</guid>
		<description><![CDATA[While reading The Predictioneer&#8217;s Game by Bruce Bueno de Mesquita, I kept thinking that his theory of predicting people&#8217;s actions by their interest in an issue (salience) and their power to affect that issue (influence). I put the book down and checked my bookshelf.  I then pulled out Everyman&#8217;s Prince: A Guide to Understanding Your [...]]]></description>
			<content:encoded><![CDATA[<p>While reading <a title="The Predictioneer's Game" href="http://www.amazon.com/Predictioneers-Game-Brazen-Self-Interest-Future/dp/1400067871/ref=sr_1_1?ie=UTF8&amp;s=books&amp;qid=1259631230&amp;sr=8-1" target="_blank"><em>The Predictioneer&#8217;s Game</em> </a>by Bruce Bueno de Mesquita, I kept thinking that his theory of predicting people&#8217;s actions by their interest in an issue (salience) and their power to affect that issue (influence). I put the book down and checked my bookshelf.  I then pulled out <em><a title="Everyman's Prince" href="http://www.amazon.com/Everymans-Prince-understanding-political-problems/dp/0878721096/ref=sr_1_1?ie=UTF8&amp;s=books&amp;qid=1259631583&amp;sr=1-1" target="_blank">Everyman&#8217;s Prince: A Guide to Understanding Your Political Problems</a></em> by William Coplin and Michael O&#8217;Leary which had a very similar method for predicting people&#8217;s actions by calculating each of the actors&#8217; issue positions, salience, and power to arrive at the likely outcome of a conflict.  The only real difference was that Mesquita dressed up his analysis with game theory.</p>
<p>It was Mesquita&#8217;s use of game theory that reminded me of a second book on my shelf: Steven Brams&#8217; <a title="Theory of Moves" href="http://www.amazon.com/Theory-Moves-Steven-J-Brams/dp/0521458676/ref=sr_1_1?ie=UTF8&amp;s=books&amp;qid=1259631975&amp;sr=1-1" target="_blank"><em>Theory of Moves</em></a>.  Brams extends upon classic game theory to demonstrate how people don&#8217;t just consider their next move in a game (or political situation) but also countermoves and moves that counter the countermoves.  Players model their opponent&#8217;s thinking processes and consider the variables of salience and power to determine how the game will evolve.  Brams also adds the dimension of information that is a vital factor in determining a sequence of moves.</p>
<p>I bring these two books up because, taken together, they are a much better and more informative read than <em>The Predictioneer&#8217;s Game</em>.  Mesquita repeatedly trumpets his new findings and how he is a much sought-after consultant because his adroit use of game theory can predict the future.  He gives a few past predictions that were successful and (in false humility) one that wasn&#8217;t successful (but only because he couldn&#8217;t foresee a key Senator&#8217;s affair).  His first two chapters purport to be a tutorial on game theory but you would be better off reading <a title="The Art of Strategy" href="http://www.amazon.com/Art-Strategy-Theorists-Success-Business/dp/0393062430/ref=sr_1_1?ie=UTF8&amp;s=books&amp;qid=1259632497&amp;sr=1-1" target="_blank"><em>The Art of Strategy: A Game Theorist&#8217;s Guide to Success in Business and Life </em></a>for a more accurate understanding of game theory.  The rest of the book is a rambling digression of how his theory could have predicted historical events. Retrodiction is poor evidence.</p>
<p>It took a while but I finally determined that what Mesquita was actually doing was trying to marry game theory with economic man theory.  Trying to analyze peoples&#8217; actions based solely on rational actors coldly calculating their self-interest has been overturned by the latest theories in <a title="List of books in behavioral economics" href="http://www.amazon.com/gp/search/ref=sr_nr_i_0?rh=i%3Astripbooks%2Ck%3Abehavioral+economics&amp;keywords=behavioral+economics&amp;ie=UTF8&amp;qid=1259632980" target="_blank">neuroscience and behavioral economics</a>.  Once I realized this, I was tempted to stop reading but I pressed on.  I should have stopped.  Applying behavioral economics with game theory would be a great advance forward for both fields.  I hoped that this was Mesquita&#8217;s intent but what he really did was to try to revive a discredited theory (rational choice theory) with the revived interest in game theory.  Not a rational choice or a good strategy in this case.</p>
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