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	<title>Comments on: Barack Obama and the limitations of probabilistic decision making</title>
	<atom:link href="http://blogs.reuters.com/felix-salmon/2012/09/05/barack-obama-and-the-limitations-of-probabilistic-decision-making/feed/" rel="self" type="application/rss+xml" />
	<link>http://blogs.reuters.com/felix-salmon/2012/09/05/barack-obama-and-the-limitations-of-probabilistic-decision-making/</link>
	<description>A slice of lime in the soda</description>
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		<title>By: Dietzamerk</title>
		<link>http://blogs.reuters.com/felix-salmon/2012/09/05/barack-obama-and-the-limitations-of-probabilistic-decision-making/comment-page-1/#comment-42882</link>
		<dc:creator>Dietzamerk</dc:creator>
		<pubDate>Fri, 07 Sep 2012 02:41:47 +0000</pubDate>
		<guid isPermaLink="false">https://blogs.reuters.com/felix-salmon/?p=17267#comment-42882</guid>
		<description>KenG...I agree with you on the commenting system...no clue whether my initial response will get posted 5 times or not at all, but my point was that Obama was in no way handcuffed when he started, he was filibuster-free for his first two years. How do you explain your comment that they put limitations on him?</description>
		<content:encoded><![CDATA[<p>KenG&#8230;I agree with you on the commenting system&#8230;no clue whether my initial response will get posted 5 times or not at all, but my point was that Obama was in no way handcuffed when he started, he was filibuster-free for his first two years. How do you explain your comment that they put limitations on him?</p>
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		<title>By: Dietzamerk</title>
		<link>http://blogs.reuters.com/felix-salmon/2012/09/05/barack-obama-and-the-limitations-of-probabilistic-decision-making/comment-page-1/#comment-42881</link>
		<dc:creator>Dietzamerk</dc:creator>
		<pubDate>Fri, 07 Sep 2012 02:35:56 +0000</pubDate>
		<guid isPermaLink="false">https://blogs.reuters.com/felix-salmon/?p=17267#comment-42881</guid>
		<description>KenG...he had 2 years that were filibuster free. He didnt start with handcuffs, he started with clear blue water, both the senate and the house...and it was all up to him to manage. And he didnt.</description>
		<content:encoded><![CDATA[<p>KenG&#8230;he had 2 years that were filibuster free. He didnt start with handcuffs, he started with clear blue water, both the senate and the house&#8230;and it was all up to him to manage. And he didnt.</p>
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		<title>By: Dietzamerk</title>
		<link>http://blogs.reuters.com/felix-salmon/2012/09/05/barack-obama-and-the-limitations-of-probabilistic-decision-making/comment-page-1/#comment-42880</link>
		<dc:creator>Dietzamerk</dc:creator>
		<pubDate>Fri, 07 Sep 2012 02:30:56 +0000</pubDate>
		<guid isPermaLink="false">https://blogs.reuters.com/felix-salmon/?p=17267#comment-42880</guid>
		<description>KenG...he had 2 years that were filibuster free. He didnt start with handcuffs, he started with clear blue water, both the senate and the house...and it was all up to him to manage. And he didnt.</description>
		<content:encoded><![CDATA[<p>KenG&#8230;he had 2 years that were filibuster free. He didnt start with handcuffs, he started with clear blue water, both the senate and the house&#8230;and it was all up to him to manage. And he didnt.</p>
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		<title>By: Dietzamerk</title>
		<link>http://blogs.reuters.com/felix-salmon/2012/09/05/barack-obama-and-the-limitations-of-probabilistic-decision-making/comment-page-1/#comment-42879</link>
		<dc:creator>Dietzamerk</dc:creator>
		<pubDate>Fri, 07 Sep 2012 02:29:45 +0000</pubDate>
		<guid isPermaLink="false">https://blogs.reuters.com/felix-salmon/?p=17267#comment-42879</guid>
		<description>KenG...he had 2 years that were filibuster free. He didnt start with handcuffs, he started with clear blue water, both the senate and the house...and it was all up to him to manage. And he didnt.</description>
		<content:encoded><![CDATA[<p>KenG&#8230;he had 2 years that were filibuster free. He didnt start with handcuffs, he started with clear blue water, both the senate and the house&#8230;and it was all up to him to manage. And he didnt.</p>
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		<title>By: Dietzamerk</title>
		<link>http://blogs.reuters.com/felix-salmon/2012/09/05/barack-obama-and-the-limitations-of-probabilistic-decision-making/comment-page-1/#comment-42878</link>
		<dc:creator>Dietzamerk</dc:creator>
		<pubDate>Fri, 07 Sep 2012 02:29:34 +0000</pubDate>
		<guid isPermaLink="false">https://blogs.reuters.com/felix-salmon/?p=17267#comment-42878</guid>
		<description>KenG...he had 2 years that were filibuster free. He didnt start with handcuffs, he started with clear blue water, both the senate and the house...and it was all up to him to manage. And he didnt.</description>
		<content:encoded><![CDATA[<p>KenG&#8230;he had 2 years that were filibuster free. He didnt start with handcuffs, he started with clear blue water, both the senate and the house&#8230;and it was all up to him to manage. And he didnt.</p>
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		<title>By: thispaceforsale</title>
		<link>http://blogs.reuters.com/felix-salmon/2012/09/05/barack-obama-and-the-limitations-of-probabilistic-decision-making/comment-page-1/#comment-42859</link>
		<dc:creator>thispaceforsale</dc:creator>
		<pubDate>Thu, 06 Sep 2012 16:24:20 +0000</pubDate>
		<guid isPermaLink="false">https://blogs.reuters.com/felix-salmon/?p=17267#comment-42859</guid>
		<description>I&#039;m pretty sure the White House was aware of the Constitutional authority risk that the individual mandate represents when they were crafting the ACA. Certainly in the winter of &#039;10, the internet had quite a few discussions on the topic prior to passage.
I think part of the limits of probability based decisions is that 99% of all decisions Obama is going to make, a large portion of the GOP will go crazy about. Independent of whether they said or supported something identical up to that very minute. It&#039;s also difficult to assign probability when the referees (the media) have a bias to present both sides of every issue, even for those issues where one side is fraudulent and/or inane.</description>
		<content:encoded><![CDATA[<p>I&#8217;m pretty sure the White House was aware of the Constitutional authority risk that the individual mandate represents when they were crafting the ACA. Certainly in the winter of &#8217;10, the internet had quite a few discussions on the topic prior to passage.<br />
I think part of the limits of probability based decisions is that 99% of all decisions Obama is going to make, a large portion of the GOP will go crazy about. Independent of whether they said or supported something identical up to that very minute. It&#8217;s also difficult to assign probability when the referees (the media) have a bias to present both sides of every issue, even for those issues where one side is fraudulent and/or inane.</p>
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		<title>By: KenG_CA</title>
		<link>http://blogs.reuters.com/felix-salmon/2012/09/05/barack-obama-and-the-limitations-of-probabilistic-decision-making/comment-page-1/#comment-42857</link>
		<dc:creator>KenG_CA</dc:creator>
		<pubDate>Thu, 06 Sep 2012 15:44:08 +0000</pubDate>
		<guid isPermaLink="false">https://blogs.reuters.com/felix-salmon/?p=17267#comment-42857</guid>
		<description>Curmudgeon, Obama never really had control of either house, both were limited by conservative Democrats who often split with their party.  The Democrats had no Tom DeLay to keep everyone in line, and as a result, many (especially newly elected house members) forgot Obama brought them to the party, and abandoned him (they paid the price in 2010).  Also, Edward Kennedy died in 2009, leaving the senate with only 59 democrats for most of that first two years.  It takes 60 votes to stop a filibuster, and not only did they rarely get 60 votes, they couldn&#039;t even get Democratic senators to step up and force the filibusters - they basically caved at the threat of a filibuster.

Neither Pelosi nor Reid had control of their chamber, and they were more to blame for the lack of legislative success than Obama.  Also, when he could get 60 votes in the senate, he had to make deals with people on both sides, which totally distorted his original goals (I don&#039;t believe the health care plan that passed was anywhere near what he originally wanted).</description>
		<content:encoded><![CDATA[<p>Curmudgeon, Obama never really had control of either house, both were limited by conservative Democrats who often split with their party.  The Democrats had no Tom DeLay to keep everyone in line, and as a result, many (especially newly elected house members) forgot Obama brought them to the party, and abandoned him (they paid the price in 2010).  Also, Edward Kennedy died in 2009, leaving the senate with only 59 democrats for most of that first two years.  It takes 60 votes to stop a filibuster, and not only did they rarely get 60 votes, they couldn&#8217;t even get Democratic senators to step up and force the filibusters &#8211; they basically caved at the threat of a filibuster.</p>
<p>Neither Pelosi nor Reid had control of their chamber, and they were more to blame for the lack of legislative success than Obama.  Also, when he could get 60 votes in the senate, he had to make deals with people on both sides, which totally distorted his original goals (I don&#8217;t believe the health care plan that passed was anywhere near what he originally wanted).</p>
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		<title>By: Tseko</title>
		<link>http://blogs.reuters.com/felix-salmon/2012/09/05/barack-obama-and-the-limitations-of-probabilistic-decision-making/comment-page-1/#comment-42852</link>
		<dc:creator>Tseko</dc:creator>
		<pubDate>Thu, 06 Sep 2012 11:40:39 +0000</pubDate>
		<guid isPermaLink="false">https://blogs.reuters.com/felix-salmon/?p=17267#comment-42852</guid>
		<description>Life is not black and white, buddy. If it is to you, get some sunglasses and enjoy the day. As for Larry Summers, I think he got kicked out.</description>
		<content:encoded><![CDATA[<p>Life is not black and white, buddy. If it is to you, get some sunglasses and enjoy the day. As for Larry Summers, I think he got kicked out.</p>
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		<title>By: MrRFox</title>
		<link>http://blogs.reuters.com/felix-salmon/2012/09/05/barack-obama-and-the-limitations-of-probabilistic-decision-making/comment-page-1/#comment-42848</link>
		<dc:creator>MrRFox</dc:creator>
		<pubDate>Thu, 06 Sep 2012 06:05:48 +0000</pubDate>
		<guid isPermaLink="false">https://blogs.reuters.com/felix-salmon/?p=17267#comment-42848</guid>
		<description>Love this piece – vintage FS it is. The few comments visible don’t quite do justice to the OP.

Bob Rubin earned his spurs as an ‘arb’, a line of trade where hundreds of individual transactions make ‘probability theory’ exquisitely applicable, much as it is in a biz like life insurance. (‘Inside info’ works even better – Rubin’s GS protégé was feloniously good at that too.) Larry Summers never earned his spurs as anything other than an academic/bureaucrat – gotta wonder if he ever got the drift of what Rubin was talking about. Obama has no spurs; not an exaggeration to say The Presidency is the first full-time gig he’s had in his entire life. He’s in so far over his head that light barely penetrates to that depth – why expect anything from him at all, except self-promotion? He’s good at that.

Playing the odds makes sense on The Street and at the track or at the dice table, where risk can be controlled by limiting the wagers, and be distributed over many chance-events. In ‘one-off’ public policy matters, something different is required. Rubin probably gets that; who knows about Summers? Obama ….</description>
		<content:encoded><![CDATA[<p>Love this piece – vintage FS it is. The few comments visible don’t quite do justice to the OP.</p>
<p>Bob Rubin earned his spurs as an ‘arb’, a line of trade where hundreds of individual transactions make ‘probability theory’ exquisitely applicable, much as it is in a biz like life insurance. (‘Inside info’ works even better – Rubin’s GS protégé was feloniously good at that too.) Larry Summers never earned his spurs as anything other than an academic/bureaucrat – gotta wonder if he ever got the drift of what Rubin was talking about. Obama has no spurs; not an exaggeration to say The Presidency is the first full-time gig he’s had in his entire life. He’s in so far over his head that light barely penetrates to that depth – why expect anything from him at all, except self-promotion? He’s good at that.</p>
<p>Playing the odds makes sense on The Street and at the track or at the dice table, where risk can be controlled by limiting the wagers, and be distributed over many chance-events. In ‘one-off’ public policy matters, something different is required. Rubin probably gets that; who knows about Summers? Obama ….</p>
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		<title>By: MrRFox</title>
		<link>http://blogs.reuters.com/felix-salmon/2012/09/05/barack-obama-and-the-limitations-of-probabilistic-decision-making/comment-page-1/#comment-42846</link>
		<dc:creator>MrRFox</dc:creator>
		<pubDate>Thu, 06 Sep 2012 03:47:30 +0000</pubDate>
		<guid isPermaLink="false">https://blogs.reuters.com/felix-salmon/?p=17267#comment-42846</guid>
		<description>Love this piece – vintage FS it is; cryin’ shame the 6-of-11 comments I can see don’t – as a group - quite rise to the level of the post; not really surprising though, is it?

Bob Rubin earned his spurs as an ‘arb’, a trade where hundreds of individual transactions make ‘probability theory’ exquisitely applicable, much as it is in a biz like life insurance. (‘Inside info’ works even better – Rubin’s GS crew was good at that too.) Larry Summers never earned his spurs as anything other than an academic/bureaucrat – gotta wonder if he ever got the drift of what Rubin was talking about. Obama has no spurs; not an exaggeration to say The Presidency is the first full-time gig he’s had in his entire life. He’s in so far over his head that light barely penetrates to that depth – why expect anything from him at all, except self-promotion? He’s good at that.

Playing the odds makes sense on The Street and at the track or at the dice table, where risk can be controlled by limiting the wager, and be distributed over many chance-events. In ‘one-off’ public policy matters, something different is required. Rubin probably gets that; who knows about Summers? Obama ….</description>
		<content:encoded><![CDATA[<p>Love this piece – vintage FS it is; cryin’ shame the 6-of-11 comments I can see don’t – as a group &#8211; quite rise to the level of the post; not really surprising though, is it?</p>
<p>Bob Rubin earned his spurs as an ‘arb’, a trade where hundreds of individual transactions make ‘probability theory’ exquisitely applicable, much as it is in a biz like life insurance. (‘Inside info’ works even better – Rubin’s GS crew was good at that too.) Larry Summers never earned his spurs as anything other than an academic/bureaucrat – gotta wonder if he ever got the drift of what Rubin was talking about. Obama has no spurs; not an exaggeration to say The Presidency is the first full-time gig he’s had in his entire life. He’s in so far over his head that light barely penetrates to that depth – why expect anything from him at all, except self-promotion? He’s good at that.</p>
<p>Playing the odds makes sense on The Street and at the track or at the dice table, where risk can be controlled by limiting the wager, and be distributed over many chance-events. In ‘one-off’ public policy matters, something different is required. Rubin probably gets that; who knows about Summers? Obama ….</p>
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		<title>By: OneOfTheSheep</title>
		<link>http://blogs.reuters.com/felix-salmon/2012/09/05/barack-obama-and-the-limitations-of-probabilistic-decision-making/comment-page-1/#comment-42844</link>
		<dc:creator>OneOfTheSheep</dc:creator>
		<pubDate>Thu, 06 Sep 2012 01:57:46 +0000</pubDate>
		<guid isPermaLink="false">https://blogs.reuters.com/felix-salmon/?p=17267#comment-42844</guid>
		<description>Felix, I&#039;ve criticized positions you have taken in the past, but this piece makes perfect sense.  When you observed that the process used &quot;...all sounds very scientific — but the problem is, it isn’t&quot;, you nailed it.  

In stating that &quot;If you get to unilaterally change other people’s probabilities, and you get to frame all the questions, you can basically give yourself dictator-like powers while ostensibly running a democratic, technocratic, and probabilistic process&quot;, you ring the bell again.

When you conclude that &quot;...realistically, we cannot hope that a second-term Obama will have much if any ability to make his high-flying dreams a reality&quot;, you answer the primary question of the coming election.  That is &quot;Why should I cast a vote FOR or AGAINST a second Obama term?</description>
		<content:encoded><![CDATA[<p>Felix, I&#8217;ve criticized positions you have taken in the past, but this piece makes perfect sense.  When you observed that the process used &#8220;&#8230;all sounds very scientific — but the problem is, it isn’t&#8221;, you nailed it.  </p>
<p>In stating that &#8220;If you get to unilaterally change other people’s probabilities, and you get to frame all the questions, you can basically give yourself dictator-like powers while ostensibly running a democratic, technocratic, and probabilistic process&#8221;, you ring the bell again.</p>
<p>When you conclude that &#8220;&#8230;realistically, we cannot hope that a second-term Obama will have much if any ability to make his high-flying dreams a reality&#8221;, you answer the primary question of the coming election.  That is &#8220;Why should I cast a vote FOR or AGAINST a second Obama term?</p>
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		<title>By: reality-again</title>
		<link>http://blogs.reuters.com/felix-salmon/2012/09/05/barack-obama-and-the-limitations-of-probabilistic-decision-making/comment-page-1/#comment-42843</link>
		<dc:creator>reality-again</dc:creator>
		<pubDate>Thu, 06 Sep 2012 01:54:23 +0000</pubDate>
		<guid isPermaLink="false">https://blogs.reuters.com/felix-salmon/?p=17267#comment-42843</guid>
		<description>Good job, Felix.
Decades ago, Kahneman &amp; Tversky showed that even experienced professionals suffer from inherent flaws in the way they judge and evaluate data, problems, risks, and outcomes. 
It goes to the fact that we&#039;re all just primates who not long ago lived up treetops and in caves, and our basic cognitive capabilities are mainly the product of those natural environments. 
So next time you think central bankers, analysts, CEOs or politicians know what they&#039;re talking about, let alone what they&#039;re doing - think again...</description>
		<content:encoded><![CDATA[<p>Good job, Felix.<br />
Decades ago, Kahneman &#038; Tversky showed that even experienced professionals suffer from inherent flaws in the way they judge and evaluate data, problems, risks, and outcomes.<br />
It goes to the fact that we&#8217;re all just primates who not long ago lived up treetops and in caves, and our basic cognitive capabilities are mainly the product of those natural environments.<br />
So next time you think central bankers, analysts, CEOs or politicians know what they&#8217;re talking about, let alone what they&#8217;re doing &#8211; think again&#8230;</p>
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		<title>By: OneOfTheSheep</title>
		<link>http://blogs.reuters.com/felix-salmon/2012/09/05/barack-obama-and-the-limitations-of-probabilistic-decision-making/comment-page-1/#comment-42842</link>
		<dc:creator>OneOfTheSheep</dc:creator>
		<pubDate>Thu, 06 Sep 2012 01:53:06 +0000</pubDate>
		<guid isPermaLink="false">https://blogs.reuters.com/felix-salmon/?p=17267#comment-42842</guid>
		<description>Felix, I&#039;ve criticized positions you have taken in the past, but this piece makes perfect sense.  When you observed that the process used &quot;...all sounds very scientific — but the problem is, it isn’t&quot;, you nailed it.  

In stating that &quot;If you get to unilaterally change other people’s probabilities, and you get to frame all the questions, you can basically give yourself dictator-like powers while ostensibly running a democratic, technocratic, and probabilistic process&quot;, you ring the bell again.

When you conclude that &quot;...realistically, we cannot hope that a second-term Obama will have much if any ability to make his high-flying dreams a reality&quot;, you answer the primary question of the coming election.  That is &quot;Why should I cast a vote FOR or AGAINST a second Obama term?</description>
		<content:encoded><![CDATA[<p>Felix, I&#8217;ve criticized positions you have taken in the past, but this piece makes perfect sense.  When you observed that the process used &#8220;&#8230;all sounds very scientific — but the problem is, it isn’t&#8221;, you nailed it.  </p>
<p>In stating that &#8220;If you get to unilaterally change other people’s probabilities, and you get to frame all the questions, you can basically give yourself dictator-like powers while ostensibly running a democratic, technocratic, and probabilistic process&#8221;, you ring the bell again.</p>
<p>When you conclude that &#8220;&#8230;realistically, we cannot hope that a second-term Obama will have much if any ability to make his high-flying dreams a reality&#8221;, you answer the primary question of the coming election.  That is &#8220;Why should I cast a vote FOR or AGAINST a second Obama term?</p>
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		<title>By: nbrown14</title>
		<link>http://blogs.reuters.com/felix-salmon/2012/09/05/barack-obama-and-the-limitations-of-probabilistic-decision-making/comment-page-1/#comment-42840</link>
		<dc:creator>nbrown14</dc:creator>
		<pubDate>Thu, 06 Sep 2012 00:49:07 +0000</pubDate>
		<guid isPermaLink="false">https://blogs.reuters.com/felix-salmon/?p=17267#comment-42840</guid>
		<description>This is bullshit. You are misconstruing the quote. Obama was merely stating that he realizes that every decision has a risk of success and of failure. This is an important concept as it would be foolish to view events as predetermined. If we look back on a decision solely on whether or not it was correct and ignore the decision making process than we don&#039;t really learn anything, as we ignore all the possibilities that were not realized. Obama is obviously not basing his decisions on some ridiculous mathematical system, rather a rational decision making process that accounts for multiple outcomes.</description>
		<content:encoded><![CDATA[<p>This is bullshit. You are misconstruing the quote. Obama was merely stating that he realizes that every decision has a risk of success and of failure. This is an important concept as it would be foolish to view events as predetermined. If we look back on a decision solely on whether or not it was correct and ignore the decision making process than we don&#8217;t really learn anything, as we ignore all the possibilities that were not realized. Obama is obviously not basing his decisions on some ridiculous mathematical system, rather a rational decision making process that accounts for multiple outcomes.</p>
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		<title>By: SamPenrose</title>
		<link>http://blogs.reuters.com/felix-salmon/2012/09/05/barack-obama-and-the-limitations-of-probabilistic-decision-making/comment-page-1/#comment-42838</link>
		<dc:creator>SamPenrose</dc:creator>
		<pubDate>Wed, 05 Sep 2012 23:56:34 +0000</pubDate>
		<guid isPermaLink="false">https://blogs.reuters.com/felix-salmon/?p=17267#comment-42838</guid>
		<description>&quot;For instance ... the chances of getting any kind of climate-change legislation passed became effectively zero — and the negative consequences for the well-being of the planet as a whole could easily end up dwarfing the upside from everything else the Obama team does put together.&quot;

Glad you brought it up, and here&#039;s my question: given climate change&#039;s importance, why don&#039;t you write about it more? There are PLENTY of finance angles, even leaving aside the whole you-may-not-be-interested-in-{war/the-dialectic/climate-change}-but-it-is-interested-in-you angle.

You clearly here the call, so: please answer it.</description>
		<content:encoded><![CDATA[<p>&#8220;For instance &#8230; the chances of getting any kind of climate-change legislation passed became effectively zero — and the negative consequences for the well-being of the planet as a whole could easily end up dwarfing the upside from everything else the Obama team does put together.&#8221;</p>
<p>Glad you brought it up, and here&#8217;s my question: given climate change&#8217;s importance, why don&#8217;t you write about it more? There are PLENTY of finance angles, even leaving aside the whole you-may-not-be-interested-in-{war/the-di alectic/climate-change}-but-it-is-intere sted-in-you angle.</p>
<p>You clearly here the call, so: please answer it.</p>
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