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How Connected Is Your Community to Everywhere Else in America? - The New York Times
“This gives us the first way to systematically look at some of those relationships,” said Mark Granovetter, a sociologist at Stanford who has written influential papers on the value of social networks. “They have just scratched the surface here.”
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5 days ago by osi_info_program
Passive investing is storing up trouble
August 2, 2018 | Financial Times | by Megan Greene.

I was recently informed by the owner of an artificial intelligence fund that markets do not listen to economists any more. .....A fundamental shift in market structure towards rules-based, passive investing over the past decade means a lot of trading is no longer based on fundamentals. But just because some markets do not pay attention to economists, it does not mean economists should not pay attention to these markets........AI quant funds are not waiting on tenterhooks for analysis of every non-farm payrolls report, Fed press conference, Donald Trump tweet, or earnings report. Instead, they look for trading strategies that are succeeding and adopt those strategies until a better one comes along, regardless of the underlying fundamentals. But what happens when the strategy suddenly becomes to sell everything? Will the computers find the buyers they need?.......ETFs, often set up to mimic an index, have to buy more of equities rising in price, sending those stock prices even higher. ETFs similarly ignore fundamentals.....This creates a piling-on effect as funds buy more of these increasingly expensive stocks and less of the cheaper ones in their indices...Risks of a bubble arise when there is no regard for underlying fundamentals or price. It is reasonable to assume a sustained market correction would lead to stocks that were disproportionately bought because of ETFs and index funds being disproportionately sold.

But again, in a crisis will the ETF managers find liquid markets? ....Passive investors and quant funds could also threaten the economy by making markets vastly more complex, noisy and opaque. They send mixed signals to active investors about what the fair value of a stock is. That could cause a significant misallocation of capital.

The danger is exacerbated by the speed at which trading is now done. The average holding period for a security on the New York Stock Exchange has fallen from two months in 2008 to just under 20 seconds today.......Systemic failures, misallocation of capital and dried up liquidity could cause a bear market, dragging on growth when the economic backdrop is already lacklustre......So even though passive investors ignore economists, economists should pay attention to risks posed by the shift in market structure they represent....This is not to say that index funds, ETFs and AI quant funds are necessarily bad. But the real test will come when there is a sudden crisis followed by a sustained bear market.
active_investing  artificial_intelligence  bear_markets  economists  ETFs  index_funds  investing  liquidity  market_fundamentals  misallocations  passive_investing  piling_on  risks  systemic_failures  rules-based  bubbles  quantitative 
7 weeks ago by jerryking
The Wrongest Profession | Dean Baker
[via: https://economicsociology.org/2018/07/21/bb-populism-rostows-economics-and-vietnam-war-informal-economy-grows-universities-privatization-failures-deficit-hawks-deceive-you-inequality-one-sided-economists/ ]

"How economists have botched the promise of widely distributed prosperity—and why they have no intention of stopping now"



"OVER THE PAST TWO DECADES, the economics profession has compiled an impressive track record of getting almost all the big calls wrong. In the mid-1990s, all the great minds in the field agreed that the unemployment rate could not fall much below 6 percent without triggering spiraling inflation. It turns out that the unemployment rate could fall to 4 percent as a year-round average in 2000, with no visible uptick in the inflation rate.

As the stock bubble that drove the late 1990s boom was already collapsing, leading lights in Washington were debating whether we risked paying off the national debt too quickly. The recession following the collapse of the stock bubble took care of this problem, as the gigantic projected surpluses quickly turned to deficits. The labor market pain from the collapse of this bubble was both unpredicted and largely overlooked, even in retrospect. While the recession officially ended in November 2001, we didn’t start creating jobs again until the fall of 2003. And we didn’t get back the jobs we lost in the downturn until January 2005. At the time, it was the longest period without net job creation since the Great Depression.

When the labor market did finally begin to recover, it was on the back of the housing bubble. Even though the evidence of a bubble in the housing sector was plainly visible, as were the junk loans that fueled it, folks like me who warned of an impending housing collapse were laughed at for not appreciating the wonders of modern finance. After the bubble burst and the financial crisis shook the banking system to its foundations, the great minds of the profession were near unanimous in predicting a robust recovery. Stimulus was at best an accelerant for the impatient, most mainstream economists agreed—not an essential ingredient of a lasting recovery.

While the banks got all manner of subsidies in the form of loans and guarantees at below-market interest rates, all in the name of avoiding a second Great Depression, underwater homeowners were treated no better than the workers waiting for a labor market recovery. The Obama administration felt it was important for homeowners, unlike the bankers, to suffer the consequences of their actions. In fact, white-collar criminals got a holiday in honor of the financial crisis; on the watch of the Obama Justice Department, only a piddling number of bankers would face prosecution for criminal actions connected with the bubble.

There was a similar story outside the United States, as the International Monetary Fund, along with the European Central Bank and the European Union, imposed austerity when stimulus was clearly needed. As a result, southern Europe is still far from recovery. Even after another decade on their current course, many southern European countries will fall short of their 2007 levels of income. The situation looks even worse for the bottom half of the income distribution in Greece, Spain, and Portugal.

Even the great progress for the world’s poor touted in the famous “elephant graph” turns out to be largely illusory. If China is removed from the sample, the performance of the rest of the developing world since 1988 looks rather mediocre. While the pain of working people in wealthy countries is acute, they are not alone. Outside of China, people in the developing world have little to show for the economic growth of the last three and a half decades. As for China itself, the gains of its huge population are real, but the country certainly did not follow Washington’s model of deficit-slashing, bubble-driven policies for developing countries.

In this economic climate, it’s not surprising that a racist, xenophobic, misogynist demagogue like Donald Trump could succeed in politics, as right-wing populists have throughout the wealthy world. While his platform may be incoherent, Trump at least promised the return of good-paying jobs. Insofar as Clinton and other Democrats offered an agenda for economic progress for American workers, hardly anyone heard it. And to those who did, it sounded like more of the same."



"At this point, the deficit hawks typically start raising apocalyptic fears about higher taxes impoverishing our children. I have three responses to this claim.

The first is that we are all paying much higher Social Security and Medicare taxes than our parents and grandparents did. Are we therefore the victims of generational inequity? What’s more, the main reason Social Security costs are rising is that our kids will live longer lives than we will. In other words, the dire specter of a generously subsidized cohort of older Americans is actually a sign of widespread social progress. (High Medicare costs are due to an incredibly inefficient health care system, but that’s another story—one that deficit hawks are also in the midst of monkey-wrenching in order to delegitimize any state-supported solution.)

My second reply is that we should be worried about after-tax income, not the tax rate. Recall that austerity policies favored by deficit hawks may have already cost us the equivalent of an increase in the payroll tax of 14 percentage points. We’re supposed to get hysterical over the prospect that our kids may pay 2 to 3 more percentage points in payroll taxes, but be unconcerned about this huge and needless loss of before-tax income?

More generally, if we manage to reverse the wage stagnation of the past thirty-plus years and see ordinary workers once more take a share of the gains of economic growth, their before-tax pay will be 40 to 50 percent higher in three decades than it is today. If they have to give back some of these gains in higher payroll taxes in order to support a longer retirement, it’s hard to see just what the problem would be. (The bigger question, of course, is whether we can succeed in creating a political economy in which ordinary workers will once again share in generalized economic growth.) And taxes are just one way in which the government imposes costs on citizens. Donald Trump wants to have a massive infrastructure program financed by the creation of toll roads. These tolls will be paid to private companies and will not count as taxes. Feel better?

On a much larger scale, the government grants patent and copyright monopolies as an incentive for research and creative work. In the case of prescription drugs alone, these patent monopolies cost close to $350 billion a year (approximately 1.9 percent of GDP) over what the price of drugs would be in a truly free market. Even as deficit hawks try to convince us that the government can’t afford to borrow another $50 billion a year to finance the research done by the pharmaceutical industry, they tell us not to worry about the extra $350 billion we pay for drugs because of government-granted patent monopolies. This monomaniacal obsession with tax burdens, to the exclusion of any reckoning with the burden of patent monopolies, shows yet again that the deficit hawks’ oft-professed concern for our children’s well-being is purely rhetorical, and in no way serious.

We should remember that we will pass down a whole society to our kids—including the natural environment that underwrites the quality of life of future generations. If the cost of ensuring that large numbers of children do not grow up in poverty and that the planet is not destroyed by global warming is a somewhat higher current or future tax burden, that hardly seems like a bad deal—especially if the burden is apportioned fairly. Now suppose, by contrast, that we hand our kids a country in which large segments of the population are unhealthy and uneducated and the environment has been devastated by global warming, but we have managed to pay off the national debt. That is, after all, the future that many in the mainstream of the economics profession are prescribing for the country. Somehow, I don’t see future generations thanking us."
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9 weeks ago by robertogreco

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