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		<title>The life cycle and&#160;consumption</title>
		<link>http://www.belligerati.com/?p=3567</link>
		<comments>http://www.belligerati.com/?p=3567#comments</comments>
		<pubDate>Fri, 03 Sep 2010 20:14:49 +0000</pubDate>
		<dc:creator>OneEyedMan</dc:creator>
				<category><![CDATA[Economics, Math, Business, and Finance]]></category>
		<category><![CDATA[Politics, Philosophy, and Religion]]></category>

		<guid isPermaLink="false">http://www.belligerati.com/?p=3567</guid>
		<description><![CDATA[Some lessons are timeless: my husband and i got a WII with rockband right before we had a baby a few months ago, and have only played it a few times. don&#8217;t need it at all anymore, never needed it to begin with but we do need a crib!! if its a nice enough crib [...]]]></description>
			<content:encoded><![CDATA[<p>Some lessons are timeless:</p>
<blockquote><p>my husband and i got a WII with rockband right before we had a baby a  few months ago, and have only played it a few times. don&#8217;t need it at  all anymore, never needed it to begin with <img src='http://www.belligerati.com/wp-includes/images/smilies/icon_smile.gif' alt=':)' class='wp-smiley' />   but we do need a crib!!  if its a nice enough crib we would be willing to trade the wii and  rockband AND pay the difference if we LOVE it.<br />
we DON&#8217;T want oak or light colored.   possibly white, but really want DARK OR CHERRY WOOD. fairly new and great condition!</p></blockquote>
<p><a href="http://sandiego.craigslist.org/csd/bab/1931854527.html">we&#8217;ll trade a WII for a NICE crib (utc)</a></p>
<blockquote><p>When I was a child, I spake as a child, I understood as a child, I  thought as a child: but when I became a man, I put away childish things.</p></blockquote>
<p><a href="http://bible.cc/1_corinthians/13-11.htm">1 Corinthians 13:11<br />
</a></p>
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		<title>Restaurants are business, and sometimes big&#160;business</title>
		<link>http://www.belligerati.com/?p=3563</link>
		<comments>http://www.belligerati.com/?p=3563#comments</comments>
		<pubDate>Fri, 03 Sep 2010 17:40:52 +0000</pubDate>
		<dc:creator>OneEyedMan</dc:creator>
				<category><![CDATA[Economics, Math, Business, and Finance]]></category>

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		<description><![CDATA[In the vein of the the Trader Joe&#8217;s profile I discussed last month (A different sort of worker) I share with you a profile of Darden Restaurants, owners of Olive Garden, Red Lobster, LongHorn Steakhouse, and the capital grill. Again it is a story superior technology, human resources, and business practices leading to a better [...]]]></description>
			<content:encoded><![CDATA[<p>In the vein of the the Trader Joe&#8217;s profile I discussed last month (<a href="../?p=3526">A different sort of worker</a>) I share with you a profile of Darden Restaurants, owners of Olive Garden, Red Lobster, LongHorn  Steakhouse, and the capital grill. Again it is a story superior technology, human resources, and business practices leading to a better experience for the same money.</p>
<blockquote><p>Part of Darden&#8217;s strategy is an updated version of the comment cards  Bill Darden put on tables at the first Red Lobster. Over the past year,  Darden&#8217;s 22-member customer-insight team invited 16 million customers  across its six chains to answer guest-satisfaction questionnaires. The  company won&#8217;t disclose results but claims the feedback predicts shifts  in traffic at individual locations. &#8220;In restaurants, consumers are  always shopping the competition, which reinforces the need to monitor  how you&#8217;re doing,&#8221; says J.J. Buettgen, head of consumer insights. &#8220;We  sample guests every day. We want to know how their last meal was.&#8221;</p>
<p>Given the competitive pressures, says Otis, it&#8217;s more important than  ever for the company&#8217;s 180,000 employees to work collaboratively. Its  three major brands should operate as test labs, sharing the best ideas  and even personnel, while maintaining their distinctive identities.</p>
<p>&#8230;</p>
<p>The Olive Garden brand is built around the notion that guests are  treated like family, but Pickens knows that isn&#8217;t likely to happen  unless employees feel like family too. Employees, he says, need to  believe that serving meals and cleaning tables and cooking pasta in a  hot kitchen is meaningful.</p>
<p>&#8230;</p>
<p>Pickens starts every meeting with Olive Garden senior executives by  reading letters from customers and employees &#8212; a woman&#8217;s description of  her celebration at Olive Garden after having survived cancer; the  reunion of an EMS worker, a 911 operator, and the boy they saved from  drowning; the story of a young woman who dined every Tuesday at the  table where her fiancé proposed before he was shipped off to Iraq. The  managers share the letters with their staffs.</p>
<p>&#8230;</p>
<p>Darden turned to research. &#8220;The key consumer insight was that people  missed the emotional comfort and connectivity that comes with family,&#8221;  says chief operating officer Drew Madsen, then the chain&#8217;s head of  marketing. &#8220;People come to a restaurant for both physical and emotional  nourishment. The physical is the food; and the emotional is how you feel  when you leave.&#8221;</p>
<p>Olive Garden executives began tying everything to this mythical Italian  family, adopting the tagline, &#8220;When you&#8217;re here, you&#8217;re family.&#8221; New  locations were designed to suggest Italian farmhouses, with a large  family-style table, modeled on one in a Florentine trattoria. Then  executives formed a partnership with actual Italians: Olive Garden&#8217;s  Culinary Institute of Tuscany (CIT). It was a &#8220;stroke of genius,&#8221; says  Dennis Lombardi, a veteran food consultant. Eleven times a year, the  company sends 14 top employees, many of whom have never set foot in  Italy, to spend a week in an 11th-century village in Tuscany and learn  from Sergio and Daniela Zingarelli, a husband and wife who operate a  restaurant, winery, and inn. The couple and other local experts expose  the Americans to everything from how olive oil gets pressed to how to  layer flavors in a Bolognese sauce. The Olive Garden employees buy fresh  vegetables at a market in Florence and prepare a multicourse Italian  meal. &#8220;It&#8217;s like getting into Harvard,&#8221; says Pickens. &#8220;It&#8217;s not, of  course, but you know what I mean.&#8221; Since 1999, some 850 employees have  attended CIT; 80% of them are still with the company.</p>
<p>There are also what Caron calls &#8220;ideation trips&#8221; to CIT, during which  chefs work in local Tuscan restaurants. They have come back with dozens  of ideas that have served to expand and update Olive Garden&#8217;s menu. Gone  are the days of puzzling hybrids like Italian nachos.</p>
<p>&#8230;</p>
<p>Foodies may scoff, but standardizing the preparation of Chianti-braised  short ribs and risotto at hundreds of restaurants by thousands of  employees requires innovation and creativity. And the inventory can&#8217;t  just sit around on the shelf. Leftover ingredients are refrigerated in  day-stamped plastic bags, and anyone using an outdated item is fired on  the spot.</p>
<p>&#8230;</p>
<p>These days, managers rely on Guest Forecasting, another software program developed internally.</p>
<p>&#8220;In every area where technology can be applied, Darden has a  considerable lead on other businesses,&#8221; says Muller, who has followed  the industry for 20 years. Darden was computerizing its guest surveys in  the 1990s, he says, when other restaurants were relying on comment  boxes.</p>
<p>On a Thursday night in April, Erin Harvell, the culinary manager at the  Olive Garden in Wayne, New Jersey, reviews the week&#8217;s forecasts in a  tiny office off the kitchen. They&#8217;re within 1% to 4% of the actual  turnout. The biggest gap &#8212; 630 guests instead of 660 &#8212; was on a rainy  night. Guest Forecasting spells out the appropriate staffing and food  preparation &#8212; how many fettuccine Alfredo orders to expect, how much  sauce to make in the morning. Over the past two years, Darden has  reduced unplanned hours by more than 40% and trimmed excess food costs  by 10%. &#8220;We don&#8217;t want zero waste,&#8221; says White, &#8220;because we don&#8217;t want  to run out of anything on the menu.&#8221; The goal is no more than 9% waste,  and the system tells each restaurant how it&#8217;s doing.</p>
<p>&#8230;</p>
<p>Other than Capital Grille and Seasons 52, Darden restaurants don&#8217;t  accept reservations, and the crowds can get ridiculously big. Some  guests are willing to wait an hour or more, but Darden knows it&#8217;s losing  business when they do. White is running one pilot program with handheld  devices to speed things up; waiters submit orders and payments at the  table, eliminating lag time. This summer, she&#8217;s launching another  project to share wait times across restaurants so that a hostess can  steer customers to nearby Darden establishments that aren&#8217;t as busy. The  next logical step, White says, would be to give customers online access  to that information.</p></blockquote>
<p>By Salter at Fast Company Magazine: <a href="http://www.fastcompany.com/magazine/137/why-america-is-addicted-to-olive-garden.html?page=0%2C0">Why America Is Addicted to Olive Garden</a></p>
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		<title>Long trips and&#160;death</title>
		<link>http://www.belligerati.com/?p=3561</link>
		<comments>http://www.belligerati.com/?p=3561#comments</comments>
		<pubDate>Thu, 02 Sep 2010 20:46:55 +0000</pubDate>
		<dc:creator>OneEyedMan</dc:creator>
				<category><![CDATA[Arts, Literature, Sports and Leisure]]></category>
		<category><![CDATA[Science and Technology]]></category>

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		<description><![CDATA[The U.S. has plans for a manned visit to Mars by the mid-2030s. The ESA and Russia have sketched out a similar joint mission, and it is claimed that China&#8217;s space program has the same objective. Apart from their destination, all these plans share something in common: extraordinary danger for the explorers. What happens if [...]]]></description>
			<content:encoded><![CDATA[<blockquote><p>The U.S. has plans for a manned visit to Mars by the mid-2030s. The ESA  and Russia have sketched out a similar joint mission, and it is claimed  that China&#8217;s space program has the same objective. Apart from their  destination, all these plans share something in common: extraordinary  danger for the explorers. What happens if someone dies out there, months  away from Earth?</p>
<p>&#8230;</p>
<p>Swedish ecologists Susanne Wiigh-Mäsak and Peter Mäsak are the inventors of an environmentally friendly alternative to cremation and burial, called Promession. The technique entails freezing a body, vibrating it into tiny pieces, and then freeze-drying the pieces, which can then be used as compost to grow a memorial shrub or tree. The pair recently collaborated with NASA and design students in Denmark and Sweden to adapt Promession for use on a Mars mission.</p></blockquote>
<p><a href="http://www.boingboing.net/2010/09/02/death-in-space.html?utm_source=feedburner&amp;utm_medium=feed&amp;utm_campaign=Feed%3A+boingboing%2FiBag+%28Boing+Boing%29">Death in Space by MARY ROACH</a></p>
<p>In The Space Merchants, they send 3 people on a one way trip to Venus. That saves a ton of money, though I think only China could get away with that these days. They eventually send a midget on a round trip to Venus before sending a colonization mission.  Sounds lonely.</p>
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		<title>Theater on the high&#160;seas</title>
		<link>http://www.belligerati.com/?p=3557</link>
		<comments>http://www.belligerati.com/?p=3557#comments</comments>
		<pubDate>Thu, 02 Sep 2010 16:49:59 +0000</pubDate>
		<dc:creator>OneEyedMan</dc:creator>
				<category><![CDATA[Arts, Literature, Sports and Leisure]]></category>

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		<description><![CDATA[This reminded me of Everything Bad is Good for You: How Today&#8217;s Popular Culture is Actually Making Us Smarter in the way that a somewhat low brow form of vacation becomes a venue for high art: Which brings me to cruise ships (bear with me on this). Cruise entertainment doesn&#8217;t have the best of reputations, [...]]]></description>
			<content:encoded><![CDATA[<p>This reminded me of <a href="http://www.amazon.com/exec/obidos/ASIN/1594481946/ref=nosim/belligerati-20">Everything Bad is Good for You: How Today&#8217;s Popular Culture is Actually Making Us Smarter</a> in the way that a somewhat low brow form of vacation becomes a venue for high art:</p>
<blockquote><p>Which brings me to cruise ships (bear with me on this). Cruise  entertainment doesn&#8217;t have the best of reputations, but I took my maiden  voyage earlier this year and it was a real eye-opener. I was there to <a href="http://www.thestage.co.uk/reviews/review.php/28307/eclipse">review shows on board the Celebrity Eclipse</a>,  and both the productions and facilities were extremely impressive. The  theatre itself was actually of a far higher standard than many of the  West End&#8217;s crumbling playhouses – more comfy seats, better sightlines,  excellent acoustics and high-end equipment.</p>
<p><a href="http://www.celebritycruises.co.uk/">Celebrity</a> spends up to $1m per show for three 60-minute productions on every ship  in its line. Each vessel has a 1,150-seat theatre, employs a cast of  18, plus nearly 40 musicians, a stage crew of six and various other  technical crew across the music lounges on the ship.</p>
<p>And cruising is a huge growth area in the entertainment business. Looking across some of the other lines – <a href="http://www.thestage.co.uk/news/newsstory.php/20738/p-o-cruises-launches-on-board-theatre-company">P&amp;O has its own on-board theatre company</a> with more than 100 entertainers, <a href="http://www.oasisoftheseas.com/">Royal Caribbean</a> is staging cruise versions of Hairspray and Chicago, and elsewhere  there are licensed versions of Andrew Lloyd Webber musicals or other  popular shows such as Saturday Night Fever.</p>
<p>And while you&#8217;re unlikely to see Chekhov on the high seas, some of the smaller lines do stage a little drama – Crystal <a title="More from guardian.co.uk on Cruises" href="http://www.guardian.co.uk/travel/cruises">Cruises</a> has previously put on <a href="http://www.thestage.co.uk/news/newsstory.php/20969/redgrave-and-york-head-cruise-theatre-launch">one-woman shows by Lynn Redgrave and Susannah York</a>.  There is huge scope for employment for people in the theatre industry  on cruise lines and because it&#8217;s a profit-making industry – the amount  these ships take on their bars alone is quite staggering – the number of  openings is steadily growing.</p>
<p>Celebrity, for example, is planning  to launch two more of its gigantic luxury ships, each with 1,150-seat  theatres and jobs for more than 50 entertainers over the next couple of  years. People can be a bit sniffy about working on cruise ships and, to  be fair, the performers I spoke to on Celebrity admitted the first time  they accepted work on a cruise, they thought it would just be filling in  between other jobs. But, they came to love it and now see it as a  long-term career choice</p></blockquote>
<p><a href="http://www.guardian.co.uk/stage/theatreblog/2010/aug/31/cruise-ships-theatre-industry-afloat">Can cruise ships keep the theatre industry afloat?  As job opportunities in theatre dry up on land, cruise ships are pouring money into productions out on the high seas</a></p>
<p>I&#8217;ve been on several cruises between 10 and 15 years ago. I never particularly enjoyed the shows but now I would give them another shot. It is hard to imagine something more conducive to the long term health of the theater business than a solid dose of capitalism.</p>
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		<title>Not so much a rule as a linear&#160;approximation</title>
		<link>http://www.belligerati.com/?p=3555</link>
		<comments>http://www.belligerati.com/?p=3555#comments</comments>
		<pubDate>Thu, 02 Sep 2010 16:29:33 +0000</pubDate>
		<dc:creator>OneEyedMan</dc:creator>
				<category><![CDATA[Economics, Math, Business, and Finance]]></category>

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		<description><![CDATA[Incredibly famous macroeconomist John Taylor writes: The Taylor rule says that the federal funds rate should equal 1.5 times the inflation rate plus .5 times the GDP gap plus 1. Currently the inflation rate is about 1.5 percent and the GDP gap is about -5 percent (using the average of the seven estimates of the [...]]]></description>
			<content:encoded><![CDATA[<p>Incredibly famous macroeconomist John Taylor writes:</p>
<blockquote><p>The Taylor rule  says that the federal funds rate should equal 1.5 times  the inflation rate plus .5 times the GDP gap plus 1. Currently the  inflation rate is about 1.5 percent and the GDP gap is about -5 percent  (using the average of the seven estimates of the gap provided in the <a href="http://www.frbsf.org/publications/economics/letter/2009/el2009-19_update.pdf">recent update</a> by Justin Weidner and John Williams).</p></blockquote>
<p><a href="http://johnbtaylorsblog.blogspot.com/2010/09/taylor-rule-does-not-say-minus-six.html">The Taylor Rule Does Not Say Minus Six Percent</a></p>
<p>Kling replies that if you give different (what he calls reasonable) inputs you get a different answer:</p>
<blockquote><p>I think that core inflation (the CPI excluding food and energy) has been  running at about 0.5 percent.  I look at an unemployment rate of 9.5  percent and think that is 5 percent above full employment.  Using Okun&#8217;s  Law (the 2-for-1 version), that says that GDP is 10 percent below its  full-employment level.  So I get that the Fed funds rate should be  -3.25.</p>
<p>&#8230;</p>
<p>he point is not to claim that the assumptions I would have used are more  reasonable than Taylor&#8217;s.  The point instead is to suggest that there  is a lot more play in his &#8220;rule&#8221; than you might otherwise presume.</p></blockquote>
<p><a href="http://econlog.econlib.org/archives/2010/09/is_the_taylor_r.html">Is the Taylor Rule Really a Rule?</a></p>
<p>Then a commentator Liberty says:</p>
<div>
<div>
<blockquote><p>Wasn&#8217;t it you, Arnold, who said you put the &#8220;Taylor rule&#8221; in the same category as the &#8220;don&#8217;t step on a crack&#8221; rule?</p>
<p>That is among my favorite quotes about economics. Sums it up  perfectly. (Arbitrary correlations + desire to avoid badness =&gt; silly  superstitions).</p></blockquote>
<p>I don&#8217;t see it as quite as bad as Liberty says. If you were going to do a linear approximation to Fed behavior you&#8217;d expect that the coefficient on inflation to be positive and on output be negative. That doesn&#8217;t mean that there is some iron law of history going on, and I dislike even calling it a rule, but it there are solid reasons why the parameters of that linear approximation would persist over time. That would be a product of the Fed using the same models over time.</p>
<p>You would also be unsurprised to learn that inflation and output gap  were the best predictors. Nevertheless, as Kling points out, there are  several measures of the output gap and inflation, and you might not know  which provides the best approximation. But I also don&#8217;t see it as arbitrary as Kling does. It is an empiric question which data series best predict Fed behavior in this simple linear model and which series give the most stable parameters over time.</p>
<p>What I have a problem with is looking at the output of the Taylor rule and saying that the Fed is doing something wrong, say that rates are too low. The Taylor isn&#8217;t actually calibrated to the economy, it is calibrated to Fed behavior. At best you&#8217;ve shown that they are breaking their own rule. That might not be so, you may just have entered an economic regime where this simple linear approximation does a poor job. You&#8217;d have to look at what the Fed models say the Fed should be doing. I haven&#8217;t heard anyone say that the Fed is ignoring the results of their own models. Or the linear relationship might still hold with respect to Fed models, but the Fed&#8217;s models might be unreliable in the current regime. Who want a linear approximation to a bad model? In that case, the Fed ignoring their models (and therefore the Taylor rule) is a good thing. I&#8217;m not an insider, so I really don&#8217;t know what is the real story, but it is hard for me to see how knowing the Taylor rule&#8217;s recommendation here is helpful.</p>
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		<title>What states get the most from the&#160;government?</title>
		<link>http://www.belligerati.com/?p=3553</link>
		<comments>http://www.belligerati.com/?p=3553#comments</comments>
		<pubDate>Thu, 02 Sep 2010 01:07:02 +0000</pubDate>
		<dc:creator>OneEyedMan</dc:creator>
				<category><![CDATA[Economics, Math, Business, and Finance]]></category>
		<category><![CDATA[Politics, Philosophy, and Religion]]></category>

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		<description><![CDATA[Rampell says there is no clear pattern among Red and Blue states: Obligations for federal domestic spending rose 16 percent in fiscal year 2009 to $3.2 trillion. That comes out to $10,548 per person living in the United States. Alaska received nearly twice the national average, taking in $20,351.13 per resident, the most of any [...]]]></description>
			<content:encoded><![CDATA[<p>Rampell says there is no clear pattern among Red and Blue states:</p>
<blockquote><p>Obligations for federal domestic spending rose 16 percent in fiscal  year 2009 to $3.2 trillion. That comes out to $10,548 per person living  in the United States.</p>
<p>Alaska received nearly twice the national average, taking in $20,351.13 per resident, the most of any American state. The state with the second-highest total in per-capita federal funds received was Virginia, at $19,734.</p>
<p>The District of Columbia, however, received an even higher amount per  capita than both those states. The nation’s capital received $83,196.12  per resident, mainly because of salaries and wages paid to the many  federal employees who work there.</p>
<p>The state receiving the least federal money per resident was Nevada,  which obtained $7,148.49 per capita, followed by Utah with $7,434.65 per  capita</p></blockquote>
<p><a href="http://economix.blogs.nytimes.com/2010/08/31/states-that-received-the-most-federal-funds/">States That Received the Most Federal Funds</a></p>
<p>I&#8217;m skeptical that the current administration would be so foolish as to  do something as foolish as channel money to their favorites and punish the other states. The politics are horrible, and in any case the  incentives are unclear. Perhaps they would want to channel money to  battle ground states rather than to their favorites to win more power  rather than reward their base. In that case the most purple states would get the most money. That too is unclear because both Virginia and Nevada appear to be battle ground states.</p>
<p>In any case, this isn&#8217;t the right  assessment, you&#8217;d need to know some distribution of the demand for  government services to know if this was political.For example, density makes it generally cheaper (up to a point) to provide government services. Alaska is near Russia, which means that there are bases and radar stations that have to be there which are going to pull money into the state. The poorest Americans live in the inner cities and rural America, so government transfers are going to raise the spending in those states that contain large rural and urban areas. If you wanted to do some econometrics on this, I guess you could do  some diff in diff measures, looking at changes in state spending between Red and Blue states depending on who controls the government. Even so, nothing so simple will work well. The cyclicality of government  spending probably has a lot to do with how hard a state was hit by a  recession, and so the government spending thereby effected (though unemployment and stimulus for example). It would be clearer to look at something less ideological or geographically determined, like pork barrel spending to know how politically minded dollars are allocated.</p>
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		<title>How much unemployment is caused by unemployment&#160;insurance</title>
		<link>http://www.belligerati.com/?p=3549</link>
		<comments>http://www.belligerati.com/?p=3549#comments</comments>
		<pubDate>Thu, 02 Sep 2010 00:55:09 +0000</pubDate>
		<dc:creator>OneEyedMan</dc:creator>
				<category><![CDATA[Economics, Math, Business, and Finance]]></category>

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		<description><![CDATA[If you subsidize unemployment by providing people with basic income you get less employment. But being out of work sucks and most people want to get a new job promptly, so it is unclear how big this effect should be. Everyone (Derek Thompson, Scott Summers, Arnold Kling, Don Boudreaux, Greg Mankiw, and many many others) [...]]]></description>
			<content:encoded><![CDATA[<p>If you subsidize unemployment by providing people with basic income you get less employment. But being out of work sucks and most people want to get a new job promptly, so it is unclear how big this effect should be. Everyone (<a href="http://www.theatlantic.com/business/archive/2010/09/25-of-unemployment-created-by-jobless-benefits-really/62391/">Derek Thompson</a>, <a href="http://www.themoneyillusion.com/?p=6737&amp;utm_source=feedburner&amp;utm_medium=feed&amp;utm_campaign=Feed%3A+Themoneyillusion+%28TheMoneyIllusion%29">Scott Summers</a>, <a href="http://econlog.econlib.org/archives/2010/08/the_unemploymen.html">Arnold Kling</a>, <a href="http://cafehayek.com/2010/08/some-links-41.html">Don Boudreaux</a>, <a href="http://gregmankiw.blogspot.com/2010/08/barro-on-unemployment-insurance.html">Greg Mankiw</a>, and many many others) seems to be talking about it recently. In short we don&#8217;t seem to know, but the effect is in the massive interval of 1/20 &#8211; 1/3 of the level of unemployment. What sort of welfare state we should have on utilitarian grounds is going to depend a lot on the answer. Nevertheless, we don&#8217;t know yet with great confidence what to do.</p>
<p>Thompson&#8217;s post gives me an idea on how you could measure this effect.</p>
<blockquote><p>(3) <a href="http://www.theatlantic.com/business/archive/2010/07/the-case-for-and-against-unemployment-insurance/60046/" target="_blank">Not all of the long-term unemployed</a> are collecting UI, or extended UI, because some are in states that don&#8217;t offer all 99 weeks</p></blockquote>
<p>His argument, pursued anecdotally (rather than statistically) by him and the Washington Post cries for using this as a natural experiment using the cutoffs by states   and unemployment rates. We just need time series of unemployment rate   and duration of UI benefits by state to get started. Well, not exactly.   We want panel data on employment histories too, to see if people can   find work when their benefits run out. I am sure that people have looked at the issue as a whole, but I don&#8217;t think that anyone has put these parts (state policies as instruments, the federal  unemployment insurance extensions, panel level data on employment histories) together this way. This is not my area in any case, but I am always on the lookout for low hanging fruit.</p>
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		<title>Amazing market&#160;micro-structure</title>
		<link>http://www.belligerati.com/?p=3541</link>
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		<pubDate>Tue, 31 Aug 2010 18:24:22 +0000</pubDate>
		<dc:creator>OneEyedMan</dc:creator>
				<category><![CDATA[Economics, Math, Business, and Finance]]></category>

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		<description><![CDATA[In the post, Zero Hedge says that the maximum possible level implied correlation can reach is 100%.  That is wrong. Although a 100% maximum is true when talking about realized correlation, it is NOT TRUE when talking about implied correlation.  Implied correlation is basically a measure comparing the implied volatility of index options to the implied [...]]]></description>
			<content:encoded><![CDATA[<blockquote><p>In the post, Zero Hedge says that the maximum possible level implied correlation can reach is 100%.  That is wrong.</p>
<p>Although a 100% maximum is true when talking about <em>realized</em> correlation, it is NOT TRUE when talking about <em>implied</em> correlation.  Implied correlation is basically a measure comparing the  implied volatility of index options to the implied volatility of the  options of the constituent securities.  If the implied volatility of the  index options spikes to a sky-high reading while individual stock  option volatilities don’t rise as fast, you could get a situation where  the implied correlation rises above 100%.</p>
<p>In fact, it’s already happened once.  The 2009 index spiked above 100 a few times in November 2008.</p></blockquote>
<p><a href="https://www.donfishback.com/blog/2010/08/11/implied-correlation-how-high-is-high/">Implied Correlation … How High is High?</a></p>
<p>This is fascinating, but I don&#8217;t see how they assign a number to this. Correlation is Cov(X,Y)/ SQRT(var(X)*Var(Y)). It can be shown mathematically that this is always between -1 and 1. I assume that there is some underlying pricing model, probably built on a <a href="http://en.wikipedia.org/wiki/Copula_%28statistics%29">Gaussian copula</a>. But given that mathematically that this relationship cannot be greater than one, are they saying simply that the pricing model implies that the only way to reconcile the observed price is to see a correlation of greater than 1 which is impossible. But clearly the market is inefficient and / or the model is wrong. In either case, why would we care specific number is generated, because we know it is garbage in any case. I&#8217;d view any implied correlation higher than 1 as simple model and market breakdown and not a useful quantity beyond that.</p>
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		<title>Link&#160;roundup</title>
		<link>http://www.belligerati.com/?p=3539</link>
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		<pubDate>Tue, 31 Aug 2010 17:14:39 +0000</pubDate>
		<dc:creator>OneEyedMan</dc:creator>
				<category><![CDATA[Economics, Math, Business, and Finance]]></category>
		<category><![CDATA[Politics, Philosophy, and Religion]]></category>
		<category><![CDATA[Science and Technology]]></category>

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		<description><![CDATA[Things I thought were interesting or provocative but with little comment Conrad Black&#8217;s Decline, but Not Inevitable Decline What is needed is a colossal reorientation of the country away from consumption and toward investment, the cleaning out of the morass of the plea-bargain justice system and attendant vacuum cleaners of the legal and prison industries [...]]]></description>
			<content:encoded><![CDATA[<p>Things I thought were interesting or provocative but with little comment</p>
<p>Conrad Black&#8217;s <a href="http://www.nationalreview.com/articles/244796/decline-not-inevitable-decline-conrad-black?page=1">Decline, but Not Inevitable Decline</a></p>
<blockquote><p>What is needed is a colossal reorientation of the country away from  consumption and toward investment, the cleaning out of the morass of the  plea-bargain justice system and attendant vacuum cleaners of the legal  and prison industries (and the gigantic fraud of the War on Drugs),  drastic education reform, genuine health-care reform, a redefinition of  U.S. national interests in the world to what is essential and  defensible, and then restructured alliances to reflect shared interests.  Until those issues are addressed, all talk of the American superpower  is rubbish. Obama’s is the fourth consecutive failed administration, and  each succeeding one will make the festering problems more dangerous and  difficult. As the problem is misdirection, not internal degeneracy or  imperial overreach, it is a decline that will end in recovery, not a  fall.</p></blockquote>
<p><a href="http://motls.blogspot.com/2010/08/why-complex-numbers-are-fundamental-in.html?utm_source=feedburner&amp;utm_medium=feed&amp;utm_campaign=Feed%3A+LuboMotlsReferenceFrame+%28Lubos+Motl%27s+reference+frame%29">Why complex numbers are fundamental in physics</a></p>
<blockquote><p>The shocking revelation came in 1572 when Rafael Bambelli was able to find <em>real</em> solutions using the <em>complex</em> numbers as tools in the intermediate calculations. This is an event  that shows that the new tool was bringing you something useful: it  wasn&#8217;t just a piece of unnecessary garbage for which the costs are equal  the expenses and that should be cut away by Occam&#8217;s razor: it actually  helps you to solve your old problems.</p></blockquote>
<p><a href="http://public.resource.org/rules/">10 Rules for Radicals</a> on how to win against government bureaucracies. Amazing and must see.</p>
<p><a href="http://www.themoneyillusion.com/?p=6105">Why is the government trying to force me to divorce my wife?</a> On the marriage penalty</p>
<p><a href="http://www.economist.com/node/16847818">How to tell when your boss is lying  It&#8217;s not just that his lips are moving</a></p>
<blockquote><p>David Larcker and Anastasia Zakolyukina of Stanford’s Graduate School  of Business analysed the transcripts of nearly 30,000 conference calls  by American chief executives and chief financial officers between 2003  and 2007. They noted each boss’s choice of words, and how he delivered  them. They drew on psychological studies that show how people speak  differently when they are fibbing, testing whether these “tells” were  more common during calls to discuss profits that were later “materially  restated”, as the euphemism goes. They published their findings in a  paper called “Detecting Deceptive Discussions in Conference Calls”.</p>
<p>Deceptive bosses, it transpires, tend to make more references to  general knowledge (“as you know…”), and refer less to shareholder value  (perhaps to minimise the risk of a lawsuit, the authors hypothesise).  They also use fewer “non-extreme positive emotion words”. That is,  instead of describing something as “good”, they call it “fantastic”. The  aim is to “sound more persuasive” while talking horsefeathers.</p>
<p>When they are lying, bosses avoid the word “I”, opting instead for  the third person. They use fewer “hesitation words”, such as “um” and  “er”, suggesting that they may have been coached in their deception. As  with Mr Skilling’s “asshole”, more frequent use of swear words indicates  deception. These results were significant, and arguably would have been  even stronger had the authors been able to distinguish between  executives who knowingly misled and those who did so unwittingly. They  had to assume that every restatement was the result of deliberate  deception; but the psychological traits they tested for would only  appear in a person who knew he was lying.</p></blockquote>
<p style="text-align: left;"><a href="http://mentalfloss.com/quiz/quiz.php?q=1054">The obscure spices quiz</a></p>
<p style="text-align: left;"><a href="http://unixlab.blogspot.com/2009/11/enhancing-terminals-with-byobu-on.html">Enhancing linux terminals with byobu, a better version of screen<br />
</a></p>
<p style="text-align: left;"><a href="http://econlog.econlib.org/archives/2010/08/momentum_in_emp_1.html">Momentum in Employment: Why it Matters</a></p>
<blockquote>
<p style="text-align: left;">The story I would tell is that there are clusters of firms that interact  with one another.  In an expanding cluster, growth of one firm leads to  growth in others.  In the 1920&#8242;s, as more people were employed in  building automobiles, there were bound to be more people employed at gas  stations.  In a contracting cluster, declines in some firms lead to  declines in others.  As you get fewer horse-and-buggy drivers, you get  fewer horse trainers, fewer horseshoe makers, and fewer manure sweepers.</p>
</blockquote>
<p style="text-align: left;"><a href="http://nationalinterest.org/print/article/a-time-to-appease-3539?page=6">A Time to Appease  by  Paul Kennedy</a></p>
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		<title>Bond holders and&#160;impartiality.</title>
		<link>http://www.belligerati.com/?p=3535</link>
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		<pubDate>Sat, 28 Aug 2010 17:22:44 +0000</pubDate>
		<dc:creator>OneEyedMan</dc:creator>
				<category><![CDATA[Economics, Math, Business, and Finance]]></category>

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		<description><![CDATA[Felix Salmon discusses the chatter around the impartiality of Pimco&#8217;s El-Erian Op-Ed Why another fiscal stimulus won&#8217;t do. A better answer is that there simply isn’t a clash between what’s good for the global economy and what’s good for Pimco, which is overwhelmingly a long-only investment house. Pimco’s long-term health is a function of there [...]]]></description>
			<content:encoded><![CDATA[<p><a href="http://blogs.reuters.com/felix-salmon/2010/08/27/should-we-listen-to-el-erian/">Felix Salmon discusses</a> <a href="http://yglesias.thinkprogress.org/2010/08/el-erian/?utm_source=feedburner&amp;utm_medium=feed&amp;utm_campaign=Feed%3A+matthewyglesias+%28Matthew+Yglesias%29">the chatter around the impartiality of Pimco&#8217;s El-Erian</a> Op-Ed <a href="https://www.washingtonpost.com/wp-dyn/content/article/2010/08/26/AR2010082605262.html?hpid=opinionsbox1">Why another fiscal stimulus won&#8217;t do</a>.</p>
<blockquote><p>A better answer is that there simply <em>isn’t</em> a clash between  what’s good for the global economy and what’s good for Pimco, which is  overwhelmingly a long-only investment house. Pimco’s long-term health is  a function of there being a strong global economy which generates lots  of savings for Pimco to manage.</p>
<p>&#8230;</p>
<p>The best answer, however, is that it doesn’t really matter who wrote the op-ed: it should stand or fall on its own merits.</p></blockquote>
<p>This first point cannot be right. Bond holders only own the downside of the capital structure. Any upside goes to the equity holders. If bondholders solely ran the economy for their own benefit then risk taking would diminish substantially. Sure, there might currently be too much risk taking and this would reduce it. But that&#8217;s a separate case to be made.  Untimately, bond holders have a distinct set of interests that do not perfectly align with labor and equity holder interests.</p>
<p>The second point is absolutely right. Ideas should live and die on their own merits. That said, the Op-Ed page of a major American newspaper is a serious bully pulpit that leaves little room for the extensive footnoting and exposition of scholarly discourse. They are often filled with factual claims without basis to check them. As such, we have to trust the writer or at least the editing process to have properly checked the facts in the face of their inevitable biases. That&#8217;s why we care about conflicts of interest in scholarly work. Not because bias prevents us from generating excellent scholarship, but because it is hard to check everything. Therefore, we can avoid checking those without vested interest with less danger of being lead astray.</p>
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