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anonymous

Achieving Techno-Literacy - 0 views

  • • Every new technology will bite back. The more powerful its gifts, the more powerfully it can be abused. Look for its costs. • Technologies improve so fast you should postpone getting anything you need until the last second. Get comfortable with the fact that anything you buy is already obsolete. • Before you can master a device, program or invention, it will be superseded; you will always be a beginner. Get good at it. • Be suspicious of any technology that requires walls. If you can fix it, modify it or hack it yourself, that is a good sign. • The proper response to a stupid technology is to make a better one, just as the proper response to a stupid idea is not to outlaw it but to replace it with a better idea. • Every technology is biased by its embedded defaults: what does it assume? • Nobody has any idea of what a new invention will really be good for. The crucial question is, what happens when everyone has one? • The older the technology, the more likely it will continue to be useful. • Find the minimum amount of technology that will maximize your options.
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    "Technology will change faster than we can teach it. My son studied the popular programming language C++ in his home-school year; that knowledge could be economically useless soon. The accelerating pace of technology means his eventual adult career does not exist yet. Of course it won't be taught in school. But technological smartness can be. Here is the kind of literacy that we tried to impart:" By Kevin Kelly at The New York Times on September 16, 2010.
anonymous

BBC News - Falling in love costs you friends - 0 views

  • The results confirmed the widely held view that love can lead to a smaller support network, with typically one family member and one friend being pushed out to accommodate the new lover.
  • "The intimacy of a relationship - your emotional engagement with it - correlates very tightly with the frequency of your interactions with those individuals," observed Professor Dunbar.
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    "Falling in love comes at the cost of losing two close friends, a study says." By Jonathan Amos at BBC Science & Environment on September 15, 2010.
anonymous

Would Tort Reform Lower Costs? - 0 views

  • Q. But critics of the current system say that 10 to 15 percent of medical costs are due to medical malpractice. A. That’s wildly exaggerated. According to the actuarial consulting firm Towers Perrin, medical malpractice tort costs were $30.4 billion in 2007, the last year for which data are available. We have a more than a $2 trillion health care system. That puts litigation costs and malpractice insurance at 1 to 1.5 percent of total medical costs. That’s a rounding error. Liability isn’t even the tail on the cost dog. It’s the hair on the end of the tail.
  • Q. What about Senator John Kerry’s assertion that it’s “doable” to rid the system of frivolous lawsuits? A. I guess it’s doable because there aren’t very many frivolous suits.
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    "On "This Week With George Stephanopoulos," Senators Orrin G. Hatch, Republican of Utah, and John Kerry, Democrat of Massachusetts, seemed to agree that medical malpractice lawsuits are driving up health care costs and should be limited in some way. "We've got to find some way of getting rid of the frivolous cases, and most of them are," Mr. Hatch said. "And that's doable, most definitely," Mr. Kerry replied. But some academics who study the system are less certain. One critic is Tom Baker, a professor of law and health sciences at the University of Pennsylvania School of Law and author of "The Medical Malpractice Myth," who believes that making the legal system less receptive to medical malpractice lawsuits will not significantly affect the costs of medical care. He spoke with the freelance writer Anne Underwood." By Anne Underwood at The New York Times on August 13, 2009.
anonymous

Beyond the 10,000 Hour Rule: Richard Hamming and the Messy Art of Becoming Great - 0 views

  • To me, the speech’s impact diluted among its many disconnected insights. I didn’t come away with a clear new model for how to structure my research career, so I ignored Hamming’s advice, responding politely, but somewhat dismissively, as readers continued to point me toward the talk as a potential source of wisdom. Now that I’m over a decade into my training as a professional scientist, however, I’m finally beginning to notice the elegance behind Hamming’s words. With this talk, I came to realize, he’s capturing a crucial truth: in many fields, including research science, the path to becoming excellent is messy and ambiguous.
  • This rule reduces achievement to quantity: the secret to becoming great is to do a great amount of work. What Hamming emphasizes, however, is that quantity alone is not sufficient. (“I’ve often wondered why so many of my good friends at Bell Labs who worked as hard or harder than I did, didn’t have so much to show for it,” he asks at one point in his speech.) Those 10,000 hours have to be invested in the right things, and as the disjointed nature of Hamming’s talk underscores, the question of what are the right things is slippery and near impossible to nail down with confidence.
  • Embrace Ambiguity
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  • Stay Specific
  • Tinker Often, But Not Too Often
  • Seek Resistance
  • Revel in the Crafstmanship
  • “Great scientists tolerate ambiguity very well,” Hamming says. “They believe the theory enough to go ahead; [but] they doubt it enough to notice the errors and faults so they can step forward and create the new replacement theory.”
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    "In March of 1986, an overflow audience of over 200 researchers and staff members from Bell Laboratories piled into the Morris Research and Engineering Center to hear a talk given by Dr. Richard Hamming, a pioneer in the field of communication theory. He titled his presentation "You and Your Research," and set out to answer a fundamental question: "Why do so few scientists make significant contributions and so many are forgotten in the long run?" Hamming, of course, knew what he was talking about, as he had made his own significant contributions - you can't even glance at the field of digital communications without stumbling over some eponymous Hamming innovation." At Study Hacks on August 9, 2010.
anonymous

The Myth of Charter Schools by Diane Ravitch | The New York Review of Books - 0 views

  • Guggenheim presents the popularized version of an account of American public education that is promoted by some of the nation’s most powerful figures and institutions.
  • The message of these films has become alarmingly familiar: American public education is a failed enterprise. The problem is not money. Public schools already spend too much. Test scores are low because there are so many bad teachers, whose jobs are protected by powerful unions. Students drop out because the schools fail them, but they could accomplish practically anything if they were saved from bad teachers. They would get higher test scores if schools could fire more bad teachers and pay more to good ones. The only hope for the future of our society, especially for poor black and Hispanic children, is escape from public schools, especially to charter schools, which are mostly funded by the government but controlled by private organizations, many of them operating to make a profit.
  • The annual Gallup poll about education shows that Americans are overwhelmingly dissatisfied with the quality of the nation’s schools, but 77 percent of public school parents award their own child’s public school a grade of A or B, the highest level of approval since the question was first asked in 1985.
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  • The message of the film is clear. Public schools are bad, privately managed charter schools are good.
  • Some fact-checking is in order, and the place to start is with the film’s quiet acknowledgment that only one in five charter schools is able to get the “amazing results” that it celebrates. Nothing more is said about this astonishing statistic.
  • The proportion of charters that get amazing results is far smaller than 17 percent.Why did Davis Guggenheim pay no attention to the charter schools that are run by incompetent leaders or corporations mainly concerned to make money? Why propound to an unknowing public the myth that charter schools are the answer to our educational woes, when the filmmaker knows that there are twice as many failing charters as there are successful ones? Why not give an honest accounting?
  • The propagandistic nature of Waiting for “Superman” is revealed by Guggenheim’s complete indifference to the wide variation among charter schools. There are excellent charter schools, just as there are excellent public schools.
  • Guggenheim seems to believe that teachers alone can overcome the effects of student poverty, even though there are countless studies that demonstrate the link between income and test scores.
  • The movie asserts a central thesis in today’s school reform discussion: the idea that teachers are the most important factor determining student achievement.
  • But this proposition is false. Hanushek has released studies showing that teacher quality accounts for about 7.5–10 percent of student test score gains. Several other high-quality analyses echo this finding, and while estimates vary a bit, there is a relative consensus: teachers statistically account for around 10–20 percent of achievement outcomes. Teachers are the most important factor within schools.
  • But the same body of research shows that nonschool factors matter even more than teachers.
  • The film never acknowledges that charter schools were created mainly at the instigation of Albert Shanker, the president of the American Federation of Teachers from 1974 to 1997.
  • He sold the idea as a way to open schools that would collaborate with public schools and help motivate disengaged students. In 1993, Shanker turned against the charter school idea when he realized that for-profit organizations saw it as a business opportunity and were advancing an agenda of school privatization.
  • Under NCLB, low-performing schools may be closed, while high-performing ones may get bonuses. Some charter schools “counsel out” or expel students just before state testing day. Some have high attrition rates, especially among lower-performing students.
  • Perhaps the greatest distortion in this film is its misrepresentation of data about student academic performance. The film claims that 70 percent of eighth-grade students cannot read at grade level. This is flatly wrong.
  • NAEP doesn’t measure performance in terms of grade-level achievement. The highest level of performance, “advanced,” is equivalent to an A+, representing the highest possible academic performance. The next level, “proficient,” is equivalent to an A or a very strong B. The next level is “basic,” which probably translates into a C grade. The film assumes that any student below proficient is “below grade level.” But it would be far more fitting to worry about students who are “below basic,” who are 25 percent of the national sample, not 70 percent.
  • Guggenheim didn’t bother to take a close look at the heroes of his documentary. Geoffrey Canada is justly celebrated for the creation of the Harlem Children’s Zone, which not only runs two charter schools but surrounds children and their families with a broad array of social and medical services.
  • On the 2010 state tests, 60 percent of the fourth-grade students in one of his charter schools were not proficient in reading, nor were 50 percent in the other. It should be noted—and Guggenheim didn’t note it—that Canada kicked out his entire first class of middle school students when they didn’t get good enough test scores to satisfy his board of trustees.
  • Contrary to Guggenheim’s mythology, even the best-funded charters, with the finest services, can’t completely negate the effects of poverty.
  • While blasting the teachers’ unions, he points to Finland as a nation whose educational system the US should emulate, not bothering to explain that it has a completely unionized teaching force.
  • His documentary showers praise on testing and accountability, yet he does not acknowledge that Finland seldom tests its students.
  • Guggenheim simply ignores the realities of the Finnish system.
  • Becoming a charter is no guarantee that a school serving a tough neighborhood will produce educational miracles.
  • It raises important questions, but all of the answers it offers require a transfer of public funds to the private sector. The stock market crash of 2008 should suffice to remind us that the managers of the private sector do not have a monopoly on success.
  • First, I thought to myself that the charter operators were cynically using children as political pawns in their own campaign to promote their cause.
  • Second, I felt an immense sense of gratitude to the much-maligned American public education system, where no one has to win a lottery to gain admission.
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    "Ordinarily, documentaries about education attract little attention, and seldom, if ever, reach neighborhood movie theaters. Davis Guggenheim's Waiting for "Superman" is different. It arrived in late September with the biggest publicity splash I have ever seen for a documentary. Not only was it the subject of major stories in Time and New York, but it was featured twice on The Oprah Winfrey Show and was the centerpiece of several days of programming by NBC, including an interview with President Obama." By Diane Ravitch at The New York Review of Books on November 11, 2010.
anonymous

Why Most Published Research Findings are False - 0 views

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    "Suppose there are 1000 possible hypotheses to be tested. There are an infinite number of false hypotheses about the world and only a finite number of true hypotheses so we should expect that most hypotheses are false. Let us assume that of every 1000 hypotheses 200 are true and 800 false. It is inevitable in a statistical study that some false hypotheses are accepted as true. In fact, standard statistical practice guarantees that at least 5% of false hypotheses are accepted as true. Thus, out of the 800 false hypotheses 40 will be accepted as "true," i.e. statistically significant." By Alex Tabarrok at Marginal Revolution on September 2, 2005.
anonymous

Did Culture, Not Biology, Develop Humanity's Sense of Fair Play? - 0 views

  • in a new study published in Science, scientists studying groups of people from different societies have suggested that our sense of fairness may depend on the type of society we live in.
  • Lead researcher Joseph Henrich observed that members of smaller groups were unwilling to punish selfish behavior and were willing to keep much of the money for themselves. This may be because smaller communities lack the social norms or informal institutions like markets and religion, causing them to have narrower concepts of fairness.
  • However critics argue that in the absence of cultural context, the tests seem weak. Terming the games an “artificial situation,” evolutionary game theorists Martin Nowak and David Rand pointed out that college students are “used to [such] concepts and hunter-gatherers aren’t. Who knows how they’re understanding the game?”
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    From Discover Magazine Blogs, by Smriti Rao on March 22, 2010.
anonymous

Study: Today's youth aren't ego-driven slackers after all - 0 views

  • Today's youth are generally not the self-centered, antisocial slackers that previous research has made them out to be, according to a provocative new study co-authored by a Michigan State University psychologist.
  • -Today's youth are more cynical and less trusting of institutions than previous generations. But Donnellan said this is generally true of the broader population. -The current generation is less fearful of social problems such as race relations, hunger, poverty and energy shortages. -Today's youth have higher educational expectations.
  • "Kids today are like they were 30 years ago – they're trying to find their place in the world, they're trying to carve out an identity, and it can be difficult," Donnellan said. "But lots of research shows that the stereotypes of all groups are much more overdrawn than the reality."
anonymous

'Counterfactual' thinkers are more motivated and analytical, study suggests - 0 views

  • Armed with a sense that life may not be arbitrary, counterfactual thinkers are more motivated and analytical in organizational settings, the study suggests.
  • "From What Might Have Been to What Must Have Been: Counterfactual Thinking Creates Meaning" was published in the Journal of Personality and Social Psychology in January 2010
  • it is actually very functional in terms of helping people establish relationships and make sense of cause and effect
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  • people who think counterfactually and find meaning in their lives are more apt to believe life is not a product of chance and that they can make valuable choices.
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    From Science Daily on February 9, 2010.
anonymous

Does giving sweets to kids produce a "sugar rush?" - 0 views

  • In 1995 the Journal of the American Medical Association published a review of 23 comparatively rigorous studies conducted between 1982 and 1994. These were your classic controlled double-blind affairs: two groups of kids, one fed a bunch of sugar, the other given a placebo (i.e., artificial sweetener), everyone kept sufficiently in the dark as to who'd gotten what, etc. The results? No discernible relationship between sugar ingested and how the kids acted. It didn't matter how old they were, how much sugar they got, what their diets were like otherwise — nothing. The JAMA authors stopped shy of drawing any definitive conclusions, but if there were a legitimate sugar-high effect out there, you'd like to see it turn up in the lab every so often.
  • the moms who thought they were in the sugar group said their sons acted more hyper. In addition, they tended to hover over their children more during play, offer more criticism of their behavior, etc. The mother-son pairs in the other group were judged by observers to be getting along better. What's more, those moms who, going into the experiment, most strongly believed their kids were sugar-sensitive also scored highest on a test designed to gauge cognitive rigidity.
  • I should stress we're not talking here about attention-deficit hyperactivity disorder, which is its own freestanding issue; studies have suggested there's some correlation between ADHD and diet, so maybe every so often you'll get a kid whose condition really is exacerbated by sugar. And there are plenty of other good reasons to limit children's consumption of sugar-laden food. But when a parent freaks out because a swig of soda has allegedly made his kid uncontrollable, it's quite possible he's not just seeing the behavior he expects to see, he's helping create it.
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    From The Straight Dope on February 15, 2008. More information about this long-lived myth.
anonymous

Forget Offshore Drilling Until We Get Some Answers - 0 views

  • a 2007 study by the Minerals Management Service (or MMS, the division of the Interior Department responsible for offshore drilling) found that this procedure was implicated in 18 out of 39 blowouts in the Gulf of Mexico over the 14 years it studied—more than any other factor. Cementing, which was handled by Halliburton, had just been completed prior to the recent explosion. The Journal notes that Halliburton was also the cementer on a well that suffered a big blowout last August in the Timor Sea off Australia.
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    By William Galston at The New Republic on May 4, 2010.
anonymous

Rand and Empirical Responsibility 9 - 0 views

  • The first difficulty we must confront is trying to entangle what is meant by "reason."
  • Rand claims that "The method which reason employs in this process is logic—and logic is the art of non-contradictory identification." This description entails the additional difficulties involved in trying to figure out what on earth Rand could possibly mean by suggesting that logic is the "art of non-contradictory identification."
  • When examined more closely, Rand appears to have confused "classification" with "identification."
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  • So having unravelled these tangles as best we can, we may safely assume that (1) reason involves creating a logically consistent body of knowledge, and (2) reason involves concept-formation.
  • Reason, Rand claims, is man's only means of both grasping reality and acquiring knowledge. What evidence did she present for this view? Unfortunately, none at all.
  • Let me just note that, in the light of evidence brought to light by exponents of Wittgenstien's Family Resemblance theory of concepts and discoveries about the large role played in concept-formation by the cognitive unconscious, Rand's theory appears rather implausible.
  • If "reason" involves forming concepts in accordance to Rand's theory, then we can safely assume that "reason" is entirely mythical faculty that has nothing to do with real cognition.
  • Logic enables us to judge the validity of our own deductive reasoning, but much of the time we need to reason non-deductively — either inductively, or in terms of likelihoods, or of causes and effects, none of which fits within the rules of formal logic.
    • anonymous
       
      i.e. - how we function from day to day.
  • The only way to make this true is to define mysticism and skepticism analytically -- i.e., as the only alternatives to "reason."
  • this natural reasoning is precisely the method which has allowed the species to reproduce and survive for hundreds of thousands of years
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    ""Reason is man's only means of grasping reality and of acquiring knowledge." The first difficulty we must confront is trying to entangle what is meant by "reason." As far as I can make out, "reason," for Rand, means creating a logically consistent body of knowledge based on the evidence of the senses. Rand is fond of describing "reason" in terms of "integration," which seems to assume is a kind of "whole" made up of indivdual parts that have been logically conjoined together. Rand claims that "The method which reason employs in this process is logic-and logic is the art of non-contradictory identification." This description entails the additional difficulties involved in trying to figure out what on earth Rand could possibly mean by suggesting that logic is the "art of non-contradictory identification." Logic involves the study of arguments. But here Rand is suggesting that logic has a much larger range, that it involves "identification."" By Greg Nyquist at Ayn Rand Contra Human Nature on January 10, 2011
anonymous

5 Reasons Humanity Is Terrible at Democracy | Cracked.com - 0 views

  • Polls consistently show that we think those who disagree with us politically are simply bad people, on a personal level.
    • anonymous
       
      What's fascinating is how irrelevant our partisan political affiliations are, on a day to day basis, but oh how we imagine them to be the center of our being.
  • Now take a look at this study, which compared a person's average political knowledge with their primary source of news. The results were surprising: The most knowledgeable groups were viewers of The Daily Show and The Colbert Report. Hot on their heels? Fans of Bill O'Reilly and Rush Limbaugh.
  • Never mind the fact that it's a pretty bad sign when the most politically educated people in the country are relying on either comedy shows or political pundits for their news. The key is that these outlets are primarily about ruthlessly mocking and dismissing the other side. Yet they attract more knowledgeable voters, not less.
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  • In the world of psychology, they call this attitude polarization; the more times the average person spends thinking about a subject, the more extreme his position becomes -- even if he doesn't run across any new information.
  • once you get to the point where you're rooting so hard for one side of an issue that you're just short of painting your chest in team colors, then all that time spent reading up on the issues stops being about becoming an informed citizen and becomes more about accumulating ammunition for the next argument.
  • #1. We Hate Each Other Over Imaginary Differences
  • For example, a study asked Americans of various demographics and political stances about the ideal way they feel wealth should be distributed across the country. Young or old, male or female, Republican or Democrat, the answers they provided were almost identical.
  • Don't get us wrong; it's not that there are no disagreements, it's just that we vastly overestimate the degree to which we disagree, because the differences are all we focus on.
    • anonymous
       
      For instance: During the Obama-McCain debates, their stated foreign policy stance was virtually identical. It was only on matters of how quickly a withdrawal would occur, not whether, if and how. This was almost completely glossed over by the left. In fact, the broad continuance of foreign policy is evidence of a geopolitical 'pull' that exists beyond partisanship and personalities.
  • We don't want the news to just give us information -- we want a story, and every story needs a villain, a battle between good and evil.
  • Knowing this, the news media decades ago started covering politics like a war, or a sport (in the biz, they call it "horse race coverage") where the reporting is entirely about which side is winning -- at the expense of figuring out the actual impact the resulting election or legislation will have on you as a human being. We tune in for "Us vs. Them," so that's what they give us.
anonymous

Who Makes The Randroids? Inside an ARI Weekend Workshop. - 0 views

  • A typical Objectivist assurance that rational debate is welcome and encouraged. So how did it measure up? Well, let's find out.
  • One, while arguing that abortion is permissible in the third trimester, added this classic Objectivist line to his argument: A is A. A is A entails that abortion is moral? Call the press! The pro-lifers have been officially refuted. And absolutely hilarious was the debate between a Randroid and an ideological anarchist (Editor: did the anarchist call the Randroid a "statist"?? They really hate that!). If only we had a dogmatic libertarian, we could have had the cultist right trifecta!
  • And another remarkable statement: Mr. Biddle told several students that morally we would be justified in overthrowing our government because it is more powerful than the one the Founders overthrew (he does not advocate it because it would be unpractical - but then what happened to Rand's claim that the moral is the practical?)
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  • To be fair, I don't think that most students were as enamored of the book as he was, but still there was an air of fawning about the sessions. The professors helped guide the discussions but otherwise generally stayed out of the way. Interesting to note that the handful of times I criticized Objectivism or Atlas, they were sure to 'correct' me. Not brusquely or rudely, but nonetheless the message was that we were supposed to believe what Rand said (in the group think model, they would be the "mind guards").
  • Unfortunately, his topics were pretty standard fare for those well versed in libertarianism: communism is evil, the welfare state is pretty darn bad too, we need to go back to a commodity standard, and the Fed was the prime mover behind America's Great Recession.
  • So what is the net sum of this potpourri of ideas, quackery, and economics? Some good, I'm sure, but a dangerous potential for evil. I had been a libertarian and Objectivist fanatic for long enough to be familiar with most of the ideas presented in Clemson, but my roommate, who is new to the movement, said he learned a lot, so there's a good chance that many students picked up on a lot of radical right ideas. And there's nothing inherently wrong with that.
  • The trouble is that there were almost no caveats. Dr. Thomson's encouragement to free thinking aside, Rand's ideas were presented as the truth, without any warnings that they were controversial.
  • All too often, as Robert A. Heinlein once said, man is not a rational animal, he is a rationalizing animal. And what's been 'proved' with 'reason' usually turns out to be some arbitrary claim by Rand. As Dr. Eric Daniels said: "To understand political economy, you need to understand man". Sadly, man is perhaps what Objectivism understands the least.
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    "Our ARCHNblog mole "Mr A" goes undercover at an Ayn Rand Institute weekend student workshop. Once a year, the Clemson Institute for the Study of Capitalism hosts a free conference for college students on "The Moral Foundations of Capitalism" and the greatest book ever written in defense of it...oops, I forgot, Atlas Shrugged isn't primarily about capitalism, but hey, it STILL made the best defense of capitalism in the history of the world!"
anonymous

Corruption: Why Texas Is Not Mexico - 0 views

  • The guns that flow southward along with the cash, according to the narrative, are largely responsible for Mexico’s violence. As one looks at other countries lying to the south of Mexico along the smuggling routes from South America to the United States, they too seem to suffer from the same maladies.
  • As borderlands, these entities — referred to as states in the U.S. political system — find themselves caught between the supply of drugs flowing from the south and the large narcotics markets to their north. The geographic location of these states results in large quantities of narcotics flowing northward through their territory and large amounts of cash likewise flowing southward. Indeed, this illicit flow has brought with it corruption and violence, but when we look at these U.S. states, their security environments are starkly different from those of Mexican states on the other side of the border.
  • While the desert regions along the border do provide a bit of a buffer between the two countries — and between the Mexican core and its northern territories — there is no geological obstacle separating the two countries. Even the Rio Grande is not so grand, as the constant flow of illicit goods over it testifies.
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    As one studies Mexico's cartel war, it is not uncommon to hear Mexican politicians - and some people in the United States - claim that Mexico's problems of violence and corruption stem largely from the country's proximity to the United States. According to this narrative, the United States is the world's largest illicit narcotics market, and the inexorable force of economic demand means that the countries supplying the demand, and those that are positioned between the source countries and the huge U.S. market, are trapped in a very bad position. Because of this market and the illicit trade it creates, billions of dollars worth of drugs flow northward through Mexico (or are produced there) and billions of dollars in cash flow back southward into Mexico. The guns that flow southward along with the cash, according to the narrative, are largely responsible for Mexico's violence. As one looks at other countries lying to the south of Mexico along the smuggling routes from South America to the United States, they too seem to suffer from the same maladies.
anonymous

An Education - 0 views

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    "If this looks terribly adorable, then there are spoilers below. If not, then there are no spoilers below. Take a minute and think it over. The movie is about a 16 year old girl in 1961 Britain, in her final year of "gymnasium" or A-Levels or sixth form or whatever they call it over there, wanting to "read English at Oxford." Her father, an unsophisticated, stuffy, and concrete man, wants her to go to Oxford. Period. Not learn Latin or study mathematics or play the cello-- which he insists she do-- but do those things solely because they will get her into Oxford. He relaxes in a suit and tie and drinks only on Christmas. In other words, he's an American parent. Yes, just like Amy Chua, which is why your reactions to them are identical."
anonymous

Rand & Human Nature 2 - 1 views

  • the conscious mind often seeks to rationalize what emerges from the unconscious.
  • Not only do we run alien subroutines [i.e., unconscious processes]; we also justify them. We have ways of retrospectively telling stories about our actions as though the actions were always our [i.e., our conscious mind's] idea.... We are constantly fabricating and telling stories about the alien processes running under the hood.
  • The chicken/shovel experiment led Gazzinga and LeDoux to conclude that the left hemisphere acts as an "interpreter," watching the actions and behaviors of the body and assigning a coherent narrative to these events.
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  • Researchers continually run across subjects who are obviously inventing stories about something they know little about. Whether man is in fact a rational animal, as Rand and her disciples always insisted, is doubtful; but he is very much a rationalizing animal.
  • If rationalization is pervasive, how can one know the truth?
  • Human beings have developed a number of counter-measures to circumvent the strong tendency to rationalization. The most powerful of these counter-measures is openness to criticism.
  • While the individual may not be very good at catching himself in that act of rationalization, he's often pretty shrewd when it comes to detecting it in others. Hence the development of institutions in science and scholarship that use peer review to arrive at truth.
  • While Rand may have been able to detect rationalization in others (which is not very hard), she appears to have been incapable of detecting it in herself.
  • Indeed, the biographical evidence strongly suggests that Rand was intensely committed to a vision of herself that excluded the possibility of rationalization, bias, or any other form of "irrationality."
  • Rand appears to have been strongly invested in the notion that she, unlike many other people, knew how to think rationally, and this meant she was right and everyone who disagreed her was wrong (and perhaps evil as well).
  • This frame of mind closed Rand off to effective criticism and shut up her mind in a series of self-reinforcing loops. Those most prone to rationalization are precisely those most invested in the belief that they are free of such intellectual vices.
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    Studies of unconscious brain processes (sometimes called "alien subroutines") reveals a curious phenomenon: the conscious mind often seeks to rationalize what emerges from the unconscious.
anonymous

Is your depression caused by brain inflammation? - 0 views

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    "Neuroscientists have linked depression to brain inflammation before, and now a new study suggests further evidence for this theory."
anonymous

Why Free Markets? - 2 views

  • The short answer, which I will assert here and defend below, is that whatever the intent behind government regulation of markets, it almost always ends up working in the interest of the rich and powerful and does little to protect the interest of those with modest means and little access to power.  If a commitment to social justice demands that we care first and foremost about the least well off among us, supporting government regulation may well violate that commitment.
  • why might libertarians, and bleeding heart ones at that, argue that markets should be free of government regulations?
  • As Hayek made clear 66 years ago, the problem we face when try to “construct” an economic order is how to best make use of all of this knowledge, which is dispersed, contextual, and often tacit. 
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  • Mises and Hayek also argued that because this knowledge is structurally dispersed, contextual and tacit, it cannot be aggregated by government planners and regulators (nor, it’s worth noting, by private actors).
  • So one problem facing regulators is that they lack the knowledge necessary to know what people value and how much, so in deciding what to regulate and how, they are acting on incomplete and often erroneous information.  By trying to override the market, they are substituting a less informationally-rich system for a more rich one.
  • In the face of these repeated failures, it’s very easy to imagine, and there’s plenty of evidence to support it, that regulators and the politicians who oversee them will start to act in their own political self-interest.  Without the ability to make reliable decisions on the objective merits, self-interest will slowly dominate.  Regulators will try to serve the needs of those who will keep them in power and supply them with healthy budgets.  So-called “Capture Theory” explains that it then becomes easy for regulators to be “captured” by the industries they regulate and then regulate in ways that favor the industry.
  • about 75% of antitrust cases are initiated not by the government but by private firms unhappy with how their competition has behaved.  Private actors constantly engage in lobbying and rent-seeking for regulations that will benefit them and/or harm their competition.
  • For me, as an economist, the argument against a great deal of regulation is precisely that it harms the least well off it is trying to help and provides unwarranted privileges for those who need them least. 
  •  Economic systems are inherent unstable, dynamically evolving things.   In studying them, we are always studying a moving target.  To my mind, that makes equilibrium models less generally applicable than is often held to be the case.
  • I have great sympathy for this line of argument, but write to make two points.
  • First, I think the danger of governmental regulation goes beyond the mere possibility of "capture" of the regulatory apparatus by the powerful. The threat is not just this, but that once the authority to regulate is well-established, the state can use this and other economic tools to "buy off" various constitutencies until the opposition to state authority becomes too weak to prevent a very dangerous concentration of power.
  • Second, there is also a purely moral, but non-consequentialist, argument against regulation.
  • That suggests that human institutions - complexity of parts notwithstanding - often exhibit various aggregate patterns of behavior that correlate with measurable variables, and that can be understood and predicted with reasonable degrees of confidence, and thus that the outcomes of various kinds of higher-level global interventions can similarly be predicted with some accuracy.
  • There is no fundamental theoretical difference between states and other large human organizations that would for some reason result in the inability of states to successfully regulate significant fields of aggregate economic behavior as a result of micro-level calculation problems.
  • This is not an argument for any particular regulatory action.  It is an argument that whether these treatments work is an empirical question that cannot be deduced a priori from the kinds of simplified toy models that are wheeled out in an Economics 101 classes or from the armchairs of either libertarian or socialist philosophers.
  • Philosophers are good at the logical and conceptual analysis of conundrums that occur in the theoretical levels of a science.   But when they venture too far into the way the actual world works, they easily lose their bearings due to their surfeit of rationalistic mental habits and intolerance of detail.
  • Property rights are not actualized in the real human world by philosophical ruminations on the state of nature.  They are actualized by courts, and lawmakers, and executives backed up by police and security services - people with guns and other means of enforcing the laws.  There has never been a durable form of human social life where the power to regulate was not "granted."
  •  
    "My first post this week led to some interesting discussion in the comments, which has in turn led me to this post. One issue that came up there was, and I paraphrase: "Okay, fine, markets really do benefit the poor, but the dispute between modern liberals and libertarians is not over 'markets' but over 'free markets.' Libertarians don't want the regulations that liberals do and saying that 'markets' help the poor doesn't help us resolve this issue." Fair enough. So why might libertarians, and bleeding heart ones at that, argue that markets should be free of government regulations?"
  •  
    I don't know that free markets help the poor so much as they allow more opportunity to the poor. And where free markets lack is in actually funding the poor, where there's a presumption that they deserve poverty.
anonymous

Stress in the city - 0 views

  • A new international study, which involved Douglas Mental Health University Institute researcher Jens Pruessner, is the first to show that two distinct brain regions that regulate emotion and stress are affected by city living.
  • "These findings suggest that different brain regions are sensitive to the experience of city living during different times across the lifespan," says Pruessner. "Future studies need to clarify the link between psychopathology and these affects in individuals with mental disorders.These findings contribute to our understanding of urban environmental risk for mental disorders and health in general. They further point to a new approach to interface social sciences, neurosciences and public policy to respond to the major health challenge of urbanization."
  •  
    "Being born and raised in a major urban area is associated with greater lifetime risk for anxiety and mood disorders."
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