Comments, observations and thoughts from two bloggers on applied statistics, higher education and epidemiology. Joseph is an associate professor. Mark is a professional statistician and former math teacher.
Friday, January 4, 2019
Thursday, January 3, 2019
Remember when we compared the Boring Co. demo to a 50s era amusement park ride? Turns out we were off by a bit
One of my favorite recent takes on the Boring company debut was this NBC piece by Dennis Romero discussing the parallels between the demonstration and turn-of-the-century roller coasters. Probably my favorite part was the following bit of diplomacy edging into sarcasm.
"Musk's brainchild appears to have had a last-minute evolution from using futuristic "skates" to carry 16 passengers to using Model X SUVs (priced at $84,000 and higher) from his automaker, Tesla. Those can carry as many as seven people."
It is the word "evolution" that really tips it over, particularly when preceded by "last minute." As mentioned before, the system demonstrated for the press (and a truly stunning collection of suckers from Chicago) was obviously thrown together so quickly they didn't even have time to work out the retractable wheels, while the promised cutting-edge automated system was replaced with what was literally late 19th century technology.
The now undeniable conclusion which most journalists are conveying with varying degrees of bluntness is that, after two years of unrelenting hype often conveyed by completely credulous coverage, Elon Musk has come up with absolutely nothing. No advances. No new technology. Nothing.
Perhaps he was hoping to bluff his way through with a combination of charm and mystique and it is entirely possible that might've worked a year or two ago, but the façade has started to crack since then and for most reporters, it has gotten far more difficult to buy into the myth.
"It seems like they've built essentially a side-friction roller coaster, minus the coasting part," said Nick Weisenberger, an automotive engineer who co-manages Coaster101, a roller coaster news and appreciation site. "That's old-school."
Indeed, Leap-the-Dips reaches a top operating speed of only 10 mph; there's nothing keeping it from bouncing out of its tracks at higher speeds. Musk has promised his Loop would take electric Tesla vehicles at speeds of up to 150 mph, a rate reached only in the last decade of roller coaster development by Ferrari's Formula Rossa ride in Abu Dhabi.
That attraction features side-friction wheels, but it also uses up-stop wheels and regular track wheels, a fairly standard configuration today. The side-friction wheels help the ride maintain speed and lateral stability, experts say, but the up-stop wheels keep it from flying off the track at such high speeds.
"You don’t see side-friction roller coasters built anymore," Weisenberger said. "You're not really securing the vehicle to the track."
A spokesman for the Boring Company did not want to comment using his name.
Pete Trabucco, author of "America's Top Roller Coasters and Amusement Parks," said old side-friction rides emphasize lateral motion as part of the experience. But, he said, this wouldn't be ideal for transportation.
"Side-friction makes it feel like you’re actually going to fall off the track," he said. "The side motion stuff actually gets people sick."
Musk's brainchild appears to have had a last-minute evolution from using futuristic "skates" to carry 16 passengers to using Model X SUVs (priced at $84,000 and higher) from his automaker, Tesla. Those can carry as many as seven people.
"The capacity on the Loop seems like it would be very low compared to a large transit solution," said mechanical engineer and roller coaster aficionado Eric Wooley.
Musk indicated the tunnel system he wants to build under Los Angeles would accommodate autonomous electric cars from various makers. And he hopes to take 4,000 passengers an hour up and down the city's congested Westside.
The billionaire, who has touted his tunnel development for nearly two years as a solution to L.A.'s "soul-crushing" traffic, said the demonstration in Hawthorne, California, was just a loose test of technology that's rapidly evolving. And, to be fair, whatever his Loop is, it's not a roller coaster.
Yet the small diameter of the test tunnel could limit the kinds of vehicles that would fit. Musk said a 14-foot diameter, half that of a standard subway tunnel, allows for faster construction. But it might take many of them to move thousands of people at one time.
"They could do something where the track, the rails, were wide enough for different cars," Wooley said. "But the tunnel looks narrow. Obviously, you couldn’t fit a much wider or taller vehicle in there."
...
Roller coasters, trains and subways also use lower friction wheels made of metals or urethane, which produce higher speeds. Concrete rails, which Boring appeared to use, would also increase resistance.
Musk suggested that the side-friction wheels used on the test car could be purchased for $300, but vehicles using a 150 mph surface would likely also need speed-rated performance tires that often cost 50 percent more than regular all-season rubber.
...
"From the energy and efficiency side of looking at it," Wooley said, "I’m not sure I’d choose that over building a subway."
Wednesday, January 2, 2019
More on the Elon Musk Chicago tunnel proposal
We've already talked about the Chicago delegations bizarre redoubling of support for Elon Musk's tunnel proposal following his disastrous debut in Los Angeles (more on that coming soon). It appears to be an almost textbook case of a cognitive dissonance driven reaction to evidence challenging cherished beliefs, but it's worth taking a moment to remember how these beliefs came to be so deeply held.
For a long time now we have been pounding away at the point that magical heuristics and next-big-thingism are both prevalent and genuinely dangerous. We have combined our faith in Silicon Valley chosen ones who can actually will things into existence with the idea that there is always some next big thing on the verge of upending the world through disruptive technology, and those who do not rush to embrace it will be left behind in the new technology and mocked by history.
This mixture of faith and fear will inevitably lead to spectacularly bad decisions. Fortunately, an increasing number of journalists are finally starting to question this modern mythology. Unfortunately, many of the people who approve projects and make decisions are still in its grip. Even without the added obstacle of cognitive dissonance, it is going to be remarkably difficult to change these people's minds.
Hopefully, someone in a position of authority in Chicago is reading John Greenfield. His recent dismantling of the proposal is the best piece of analysis on the subject I've seen so far.
For a long time now we have been pounding away at the point that magical heuristics and next-big-thingism are both prevalent and genuinely dangerous. We have combined our faith in Silicon Valley chosen ones who can actually will things into existence with the idea that there is always some next big thing on the verge of upending the world through disruptive technology, and those who do not rush to embrace it will be left behind in the new technology and mocked by history.
This mixture of faith and fear will inevitably lead to spectacularly bad decisions. Fortunately, an increasing number of journalists are finally starting to question this modern mythology. Unfortunately, many of the people who approve projects and make decisions are still in its grip. Even without the added obstacle of cognitive dissonance, it is going to be remarkably difficult to change these people's minds.
Hopefully, someone in a position of authority in Chicago is reading John Greenfield. His recent dismantling of the proposal is the best piece of analysis on the subject I've seen so far.
Since [Chicago Department of Transportation commissioner Rebekah] Scheinfeld’s boss Mayor Rahm Emanuel isn’t running for reelection, it’s likely her tenure will end in a few months. So it’s a head-scratcher why the commissioner recently gave a full-throated endorsement of tech guru Elon Musk’s proposal to dig a tunnel from the Chicago Loop to O’Hare Airport and whisk travelers there at 125-150 mph in 8-16-person pods using “electric skate” technology. Actual transit experts have almost universally dismissed Musk’s plan as a fantasy based on nonexistent tech.
...
On the California presser: “It was a great example of a step forward. As [Chicago deputy mayor Bob] Rivkin said, this isn’t radical new technology, it’s a Tesla in a tunnel. It’s a very basic thing that all Chicagoans can understand and be excited about… [It was] showing proof of concept, essentially.”
What exactly is the step forward here? Musk has previously claimed that his Boring Company’s proprietary digging technology would speed up the digging process 14-fold compared to conventional methods and cut costs by up to 90 percent. But for this tunnel he simply purchased a pre-owned tunneling machine, previously used for digging sewers in Oakland, California, and renamed it “Godot.”
...
But other folks have pointed out that, even if Musk’s $10 million figure is accurate, that isn’t necessarily impressive since the passageway is a fraction of the width of a subway tunnel, only allows travel in one direction, and has no stations or emergency exits. Moreover, the $10 million number reportedly excludes research, design, and equipment, and may not include the cost of labor and property acquisition. [Perhaps it would be quicker to list what it did include – MP]
...
Musk has claimed that, using his hypothetical technology (the LA event was supposed to feature “autonomous electric skates” carrying 16-20 people, but so far Musk has yet to produce such a pod) he can reduce the transit trip from O’Hare from the current 40-45 minutes on the CTA Blue Line to only 12 minutes. When you’re talking about nonexistent tech, you can pretty much make up whatever time estimates you like but, sure, a theoretical 12-minute, $25 ride would likely attract many well-heeled travelers to make the switch from taxi, ride-share, or livery service.
But it’s still worth noting that, unlike the Blue Line, which makes multiple stops between O’Hare and the Loop, including several stations on Dearborn Street within walking distance of Michigan Avenue hotels, the O’Hare Express would pretty much be a one-trick pony. Once you’re dropped off at the single downtown station at Block 37, you’d likely need to catch a taxi, Uber, or the CTA to your final destination, which would add to the cost and duration of your trip, reducing the convenience.
Spielman asked whether the O’Hare express project would make financial sense for Chicago taxpayers. “It would be totally at the risk of the Boring Company,” Scheinfeld replied. “It’s not too often when you have a private partner coming forward offering to make a major, upwards of a billion-dollar infrastructure investment that could have a real catalytic effect on our economy.”
In reality, the project would cost Chicago taxpayers money, potentially quite a lot of it. The project has already diverted significant city staff time and attention from more pressing neighborhood transportation needs. Former Chicago Aviation chief Ginger Evans previously stated that public money would likely be used for building the stations. And then there’s the cautionary tale of Toronto’s Pearson Express airport service, which saw dismal ridership until fares were slashed, which is requiring a public subsidy of $8 U.S. per ride, likely adding up to tens of millions of dollars per year in taxpayer funds.
...
Scheinfeld emphasized that it’s going to be necessary for aldermen to strike while the iron is hot by approving the (not-yet-finalized) contract swiftly. “We are very close here. That’s what we have to keep in mind. We have a great opportunity. We would not like to see this go to waste. Ultimately, this is going to be up for approval of City Council and I hope they don’t let it sit idle and risk that that partner would walk away if it’s not approved in a timely manner.”
…
The reporter asked how Scheinfeld would respond to the naysayers who say that Musk’s plan involves unproven technology. “I would go back and say it’s a Tesla in a tunnel,” the commissioner responded. “We build tunnels all over the world on a regular basis.”
No, Musk’s O’Hare express proposal does not involve driving cars in tunnels. It calls for using autonomous “electric skate” pods that don’t exist.
Tuesday, January 1, 2019
Monday, December 31, 2018
Friday, December 28, 2018
Stop me if you've heard this one.
Here's a technology story for you. Imagine you're a leading device manufacturer for a new media platform. You decide to produce original content to promote your product but you end up cancelling the project, not because the show didn't catch on but because it was so popular that you couldn't make you devices fast enough..
From Wikipedia:
I believe the following clips are from the follow-up, Your Show of Shows. You may notice how easily poor Howard Morris is tossed around. Caesar was known for being exceptional strong and while his former writers and staff held him in great regard, they also talked about him being dangerous when angry. Mel Brooks still talks about Caesar dangling him out of a window after an argument.
From Wikipedia:
[Sid] Caesar's television career began with an appearance on Milton Berle's Texaco Star Theater in the fall of 1948. In early 1949, Caesar and Liebman met with Pat Weaver, vice president of television at NBC, which led to Caesar's first series, Admiral Broadway Revue with Imogene Coca. The Friday show was simultaneously broadcast on NBC and the DuMont network, and was an immediate success. However, its sponsor, Admiral, an appliance company, could not keep up with the demand for its new television sets, so the show was cancelled after 26 weeks—ironically, on account of its runaway success.
I believe the following clips are from the follow-up, Your Show of Shows. You may notice how easily poor Howard Morris is tossed around. Caesar was known for being exceptional strong and while his former writers and staff held him in great regard, they also talked about him being dangerous when angry. Mel Brooks still talks about Caesar dangling him out of a window after an argument.
Thursday, December 27, 2018
Of all the strange turns in the story of the Elon Musk Boring company debut, this may be the funniest and the saddest.
From the Chicago Sun Times
There is a memorable anecdote in Cialdini's Influence. In the chapter on commitment, consistency, and cognitive dissonance, as memory serves, he describes seeing a mathematics professor completely dismantle a guru pitching a TM course only to see a number of people sign up anyway. When Cialdini asked some of them if they found the mathematician' s arguments, they said it was the opposite. They were starting to have doubts and wanted to make a decision before they changed their minds.
That always struck me as a little on the nose. Cialdini always builds his case with extensive evidence presented along multiple lines of attack – – sound theory with reasonable evolutionary support, controlled experiments, observational data, historical records, successful established business practices, and relevant news stories – – so an unconvincingly apt personal anecdote doesn't undercut the bigger picture.
(Much of my antipathy toward Freakonomics comes from the fact I picked it up expecting the same standard of proof.Instead, the authors seemed to treat their assertions as unquestionably true.)
After reading this, however, I'm less inclined to think that Cialdini gilded the lily. The main difference is the considerably lower level of self-awareness from the elected officials.
To be blunt, there is no rational way to come away from Musk's tunnel debut more enthusiastic about the project. There was no good news there.
1. The reviews were brutal.
2. The new proposal is slower with much lower capacity than what was promised.
3. After two years of promises, the company appears to have made no technological advances at all. No progress in tunneling techniques. Seemingly no work at all on the rest of the system. Nothing.
We have reached that point in the Musk narrative where what should cause doubt only adds to the faith of the faithful.
After a bumpy, but exhilarating California test ride, a delegation of city officials returned home Wednesday more convinced than ever that Elon Musk’s plan to build a “Tesla-in-a-tunnel” high-speed transit system between downtown and O’Hare Airport would be “transformational for Chicago,” as one said.
Deputy Mayor Bob Rivkin, who led the Chicago delegation, said he wasn’t scared when the TeslaX he was riding in descended into the tunnel, and he didn’t suffer from motion sickness after the choppy, 45-mile-an-hour ride.
That’s less than half the speed that the visionary billionaire of Tesla and SpaceX fame has promised for the $25, 12-minute ride from downtown’s Block 37 to O’Hare Airport aboard an electric vehicle seating sixteen passengers.
“The tunnel is well-lit. You can see the turns in front of you,” Rivkin said. ” … You just get a sense of the simplicity of the whole thing. It’s a tunnel with a Tesla in it.”
There is a memorable anecdote in Cialdini's Influence. In the chapter on commitment, consistency, and cognitive dissonance, as memory serves, he describes seeing a mathematics professor completely dismantle a guru pitching a TM course only to see a number of people sign up anyway. When Cialdini asked some of them if they found the mathematician' s arguments, they said it was the opposite. They were starting to have doubts and wanted to make a decision before they changed their minds.
That always struck me as a little on the nose. Cialdini always builds his case with extensive evidence presented along multiple lines of attack – – sound theory with reasonable evolutionary support, controlled experiments, observational data, historical records, successful established business practices, and relevant news stories – – so an unconvincingly apt personal anecdote doesn't undercut the bigger picture.
(Much of my antipathy toward Freakonomics comes from the fact I picked it up expecting the same standard of proof.Instead, the authors seemed to treat their assertions as unquestionably true.)
After reading this, however, I'm less inclined to think that Cialdini gilded the lily. The main difference is the considerably lower level of self-awareness from the elected officials.
To be blunt, there is no rational way to come away from Musk's tunnel debut more enthusiastic about the project. There was no good news there.
1. The reviews were brutal.
2. The new proposal is slower with much lower capacity than what was promised.
3. After two years of promises, the company appears to have made no technological advances at all. No progress in tunneling techniques. Seemingly no work at all on the rest of the system. Nothing.
We have reached that point in the Musk narrative where what should cause doubt only adds to the faith of the faithful.
Wednesday, December 26, 2018
Elon Musk's baking soda volcano
As we discussed before in some detail, Elon Musk's proposals can be easily categorized into two groups. The first set are solidly engineered, reasonably viable incremental advances based on standard technological approaches. They are also obviously the work of the many fine scientists and engineers employed by SpaceX and Tesla.
Musk always had a reputation for taking credit for other people's work, and his off script moments over the past few years have made it increasingly clear that the man has a shockingly weak grasp of engineering and cannot possibly contribute to these real projects on anything more than an aesthetics and user experience level. (And yes, that is the same level that Steve Jobs focused on, but Jobs never claimed to be a "real life Tony Stark" despite having a far stronger grasp of the engineering side than what Elon Musk has displayed.)
The second set of ideas apparently do come from Musk himself and they all shared certain common traits. They show a fundamental ignorance of the underlying technology, they are cool and lend themselves to credulous media coverage (it often seems that Musk starts with the CGI animations then throws together a proposal around them), they are orders of magnitude more costly and difficult to implement than Musk suggests and they are invariably derived from familiar postwar science-fiction tropes.
With the debut of the Boring company tunnel, however, we have a new kind of Elon Musk idea, new in a way that raises a number of questions. What reporters saw last week wasn't just a radical departure from the technology that had been promised; it was a completely different kind of Elon Musk proposal. In order to get the full impact of the shift, it's helpful to review what this was supposed to be in the beginning.
The idea was that cars would be carried through a system of underground tunnels using fully automated, high-speed carriers initially termed "sleds." The basic notion isn't all that far from the well-established practice of car-carrying commuter trains, something that might actually be a pretty good idea for certain routes in Los Angeles (it's a very big county and that's not even taking into account the people who drive back and forth from Orange). Between developing the technology, digging the tunnels, and installing the rest of the infrastructure, the cost of this plan would the ludicrously prohibitive, but it would be cool and might even do what it's supposed to in terms of congestion and traffic time.
By going over to the guide-wheels approach that was standard tech in local amusement parks going back to the 50s, the development costs have been largely eliminated, but with them most of the functionality and all of the coolness. The proposed sleds would have been faster and presumably far more maneuverable than individual cars. More importantly, the system would in theory ( and this is all in theory) have been far more reliable. Musk is now proposing a system where any breakdown would freeze up a tunnel for an undetermined period of time. At least based on what we saw last week, removing stalled vehicles from these tunnels is going to be an incredible pain. The result would likely be an even greater tendency toward gridlock than we have now.
Elon Musk has not gotten any better at proposing workable systems, but he still managed to lose his knack for coming up with cool ones. This is a clunky, low-tech "solution" that somehow manages to be both unglamorous and impractical. What happened?
While the following is speculation, it fits the facts and is the pretty much the only explanation I can think of. Musk has had a terrible year and he had locked himself into this demonstration to the extent that backing out would have been a major press fiasco (even worse than what they ended up with). I suspect that at some point fairly recently it became obvious to his team that they would not be able to put together even a crude beta version of the sled, so they opted for the quickest and least sophisticated option, attaching wheels to the sides of a Tesla and simply driving it down the tunnel. The decision appears to have come so late that they didn't even have time to work out a system for retracting the wheels, leaving that instead to the inevitable animation.
Musk is like a school boy who spent the whole semester bragging about the robot he was going to build for the science fair, who then showed up with a project obviously thrown together the night before.
Musk always had a reputation for taking credit for other people's work, and his off script moments over the past few years have made it increasingly clear that the man has a shockingly weak grasp of engineering and cannot possibly contribute to these real projects on anything more than an aesthetics and user experience level. (And yes, that is the same level that Steve Jobs focused on, but Jobs never claimed to be a "real life Tony Stark" despite having a far stronger grasp of the engineering side than what Elon Musk has displayed.)
The second set of ideas apparently do come from Musk himself and they all shared certain common traits. They show a fundamental ignorance of the underlying technology, they are cool and lend themselves to credulous media coverage (it often seems that Musk starts with the CGI animations then throws together a proposal around them), they are orders of magnitude more costly and difficult to implement than Musk suggests and they are invariably derived from familiar postwar science-fiction tropes.
With the debut of the Boring company tunnel, however, we have a new kind of Elon Musk idea, new in a way that raises a number of questions. What reporters saw last week wasn't just a radical departure from the technology that had been promised; it was a completely different kind of Elon Musk proposal. In order to get the full impact of the shift, it's helpful to review what this was supposed to be in the beginning.
The idea was that cars would be carried through a system of underground tunnels using fully automated, high-speed carriers initially termed "sleds." The basic notion isn't all that far from the well-established practice of car-carrying commuter trains, something that might actually be a pretty good idea for certain routes in Los Angeles (it's a very big county and that's not even taking into account the people who drive back and forth from Orange). Between developing the technology, digging the tunnels, and installing the rest of the infrastructure, the cost of this plan would the ludicrously prohibitive, but it would be cool and might even do what it's supposed to in terms of congestion and traffic time.
By going over to the guide-wheels approach that was standard tech in local amusement parks going back to the 50s, the development costs have been largely eliminated, but with them most of the functionality and all of the coolness. The proposed sleds would have been faster and presumably far more maneuverable than individual cars. More importantly, the system would in theory ( and this is all in theory) have been far more reliable. Musk is now proposing a system where any breakdown would freeze up a tunnel for an undetermined period of time. At least based on what we saw last week, removing stalled vehicles from these tunnels is going to be an incredible pain. The result would likely be an even greater tendency toward gridlock than we have now.
Elon Musk has not gotten any better at proposing workable systems, but he still managed to lose his knack for coming up with cool ones. This is a clunky, low-tech "solution" that somehow manages to be both unglamorous and impractical. What happened?
While the following is speculation, it fits the facts and is the pretty much the only explanation I can think of. Musk has had a terrible year and he had locked himself into this demonstration to the extent that backing out would have been a major press fiasco (even worse than what they ended up with). I suspect that at some point fairly recently it became obvious to his team that they would not be able to put together even a crude beta version of the sled, so they opted for the quickest and least sophisticated option, attaching wheels to the sides of a Tesla and simply driving it down the tunnel. The decision appears to have come so late that they didn't even have time to work out a system for retracting the wheels, leaving that instead to the inevitable animation.
Musk is like a school boy who spent the whole semester bragging about the robot he was going to build for the science fair, who then showed up with a project obviously thrown together the night before.
Tuesday, December 25, 2018
Monday, December 24, 2018
Do you ever wonder why?
This is Joseph
This move puzzles me, and everyone else I think:
Duncan Black presumed that the target of the tweet was Donald Trump. But why would they be investigating liquidity on a weekend before the holidays? What do they know?
Or are they just really bad at the optics of government and reassuring financial markets?
The net result seems to be some bumpy times in the stock market which seems like the opposite of what the administration would want in the middle of a government shutdown.
What I am missing (flashing the Palko signal into the skies)?
This move puzzles me, and everyone else I think:
For reasons that are a mystery to everyone, Treasury Secretary Steven Mnuchin called up the country’s six biggest banks on Sunday and asked them if their liquidity was OK. Everybody was a bit nonplussed by this, but they said sure, everything’s fine. Any particular reason you’re asking?This was then announced -- publicly.
Duncan Black presumed that the target of the tweet was Donald Trump. But why would they be investigating liquidity on a weekend before the holidays? What do they know?
Or are they just really bad at the optics of government and reassuring financial markets?
The net result seems to be some bumpy times in the stock market which seems like the opposite of what the administration would want in the middle of a government shutdown.
What I am missing (flashing the Palko signal into the skies)?
Friday, December 21, 2018
Thursday, December 20, 2018
The Boring Company's big debut -- even worse than expected.
There was never more than a vanishingly small chance of a major viable advance coming out of this show, but it was at least reasonable to hope for something cool and flashy, like an automated car sled or a ride with some heat. Instead there was nothing, A short narrow tunnel that took over a year to build, traversed by a slow-moving car with guide wheels on the side in an arrangement that sounds remarkably like one of those you-steer-em jalopies that used to be a staple of every cheesy amusement park.
I'll have more thoughts later. In the meantime, check out this rant by Albert Burneko.
Reader, dear reader, I have some great news for you. Tesla’s Elon Musk, definitely a visionary brain genius and not at all a manic idiot spaz and brazen fraud, has invented the future of mass transit for which we so desperately clamored: A narrow, jagged death-tunnel through which, uh, one Tesla-brand car at a time can, ah, drive ... the person who owns it, plus maybe two or three other people ... from one place to another ... at 49 miles per hour.
Okay so wait, I think I’m explaining it wrong. Picture this! It’s, it’s, you see, it’s a subway, only instead of trains filled with many dozens or hundreds of people at a time, riding through a grid of large tunnels, in a grand choreographed underground ballet capable of moving tens or hundreds of thousands of riders per hour, it’s ... Tesla-brand cars ... with their owners and maybe a couple other people ... driving at moderate speed ... through narrow, bumpy tunnels with no emergency exits.
No, goddammit, no, stop looking at me like that, it’s revolutionary technology. It’s high-speed rail, is the thing—only without the high speed, and with the “rail” part kind of arbitrarily added onto what’s otherwise just a single-lane Tesla-only subterranean roadway, for the purpose of securing public investment in it by calling it “mass transit” and not “driving a car from here to there.” And at either end of the trip, instead of just walking into or out of a train station you have to navigate your entire Tesla-brand autonomous electric car down or up a single-car elevator. Also each “train” can only carry as many people as can fit into a single Tesla-brand autonomous electric car.
...
People invented subway trains like 150 years ago, man, you’re saying now. This guy just invented a comically slow-moving conveyor belt for his other company’s cars. Literally the only innovation here is that it’s a worse version of both driving and riding the subway, and only available to people who’ve bought one brand of car. Yes. True. Wait. No. It’s innovative! It’s a solution to the problem of traffic, because now, merely by purchasing a Tesla-brand autonomous electric vehicle and outfitting it with special retractable side-wheels, Tesla owners can bypass gridlock and choose instead to spend their time sitting in the insanely slow-moving line outside of this dumb tunnel, waiting for their turn to go through it, one car at a time.
This isn’t even a good idea for Tesla drivers, you’re saying now. Why would anyone want to make use of this dumb tunnel. We haven’t even really gotten into how even in the press demonstration, it was such an uncomfortable ride that the Washington Post reporter described, in an otherwise not particularly hostile article, as not “an experience you’d tolerate from a public subway service” and which the Los Angeles Times likened to “driving on a dirt road.” Or the danger the stupid aftermarket retractable sideways wheels could pose to other drivers and their ordinary cars if they malfunction. Or the fact that Tesla cars are infamously prone to bursting into flames, which makes them uniquely unsuited to being driven through narrow bumpy tunnels with no room for fire trucks or emergency exits. Or how the planned tunnels are so narrow that even opening a car door inside one looks like a dodgy proposition. Or how even just at the highest conceptual level this is an obviously dumb and pointless idea that even in the absolute best case—which it isn’t presently aiming for—would be redundant to and/or worse than existing rapid-transit rail systems that do not require their riders to own Tesla cars. You’re being a little bit of a jerk right now, to be honest. Why can’t you just get on board with innovation?
Wednesday, December 19, 2018
Resisting the urge for an Uber repost.
I'm already having trouble trimming Yves Smith's excellent take-down to excerpt length, so I'll limit myself to links to some similar points we've made in the past.
Ponzi Thresholds
They lose money on every ride but they make it up in volume
Even evil plans require a certain level of competence
A follow-up to Mark's post
And the especially relevant What almost everyone gets wrong about Uber and driverless cars
Uber Is Headed for a Crash
Uber has never presented a case as to why it will ever be profitable, let alone earn an adequate return on capital. Investors are pinning their hopes on a successful IPO, which means finding greater fools in sufficient numbers.
...
Nor, after a certain point, does adding more drivers. Uber does regularly claim that its app creates economies of scale for drivers — but for that to be the case, adding more drivers would have to benefit drivers. It doesn’t. More drivers means more competition for available jobs, which means less utilization per driver. There is a trade-off between capacity and utilization in a transportation system, which you do not see in digital networks. The classic use of “network effects” referred to the design of an integrated transport network — an airline hub and spoke network which create utility for passengers (or packages) by having more opportunities to connect to more destinations versus linear point-to-point routes. Uber is obviously not a fixed network with integrated routes — taxi passengers do not connect between different vehicles.
Nor does being bigger make Uber a better business. As Hubert Horan explained in his series on Naked Capitalism, Uber has no competitive advantage compared to traditional taxi operators. Unlike digital businesses, the cab industry does not have significant scale economies; that’s why there have never been city-level cab monopolies, consolidation plays, or even significant regional operators. Size does not improve the economics of delivery of the taxi service, 85 percent of which are driver, vehicle, and fuel costs; the remaining 15 percent is typically overheads and profit. And Uber’s own results are proof. Uber has kept bulking up, yet it has failed to show the rapid margin improvements you’d see if costs fell as operations grew.
...
Uber has raised an unprecedented $20 billion in investor funding — 2,600 times more than Amazon’s pre-IPO funding. This has allowed Uber to undercut traditional local cab companies, whose fares have to cover all costs, as well as have more cars chasing rides than unsubsidized operators can. Recall that for any transportation service, there is a trade-off between frequency of service and utilization. Having Uber induce more drivers to be on the road to create fast pickups means drivers on average will get fewer fares.
If Uber were to drive all competitors out of business in a local market and then jack up prices, customers would cut back on use. But more important, since barriers to entry in the taxi business are low, and Uber lowered them further by breaking local regulations, new players would come in under Uber’s new price umbrella. So Uber would have to drop its prices to meet those of these entrants or lose business.
Moreover, Uber is a high-cost provider. A fleet manager at a medium-scale Yellow Cab company can buy, maintain, and insure vehicles more efficiently than individual Uber drivers. In addition, transportation companies maintain tight central control of both total available capacity (vehicles and labor) and how that capacity is scheduled. Uber takes the polar opposite approach. It has no assets, and while it can offer incentives, it cannot control or schedule capacity.
The only advantage Uber might have achieved is taking advantage of its drivers’ lack of financial acumen — that they don’t understand the full cost of using their cars and thus are giving Uber a bargain. There’s some evidence to support that notion. Ridester recently published the results of the first study to use actual Uber driver earnings, validated by screenshots. Using conservative estimates for vehicle costs, they found that that UberX drivers, which represent the bulk of its workforce, earn less than $10 an hour. They would do better at McDonald’s. But even this offset to the generally higher costs of fleet operation hasn’t had an meaningful impact on Uber’s economics.
But, you may argue, Uber has all that data about rides! Certainly that allows it to be more efficient than traditional cabs. Um, no. Local ride services have backhaul problems that no amount of cleverness can remedy, like taking customers to the airport and either waiting hours for a return fare or coming back empty, or daily urban commutes, where workers go overwhelmingly in one direction in the morning rush and the other way in the evening. Similarly, Uber’s surge pricing hasn’t led customers to change their habits and shift their trips to lower-cost times, which could have led to more efficient utilization. If Uber had any secret sauce, it would have already shown up in Uber revenues and average driver earnings. Nine years in, and there’s no evidence of that.
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Uber has gone to some length to avoid publishing financial information on a consistent basis over time, a big red flag. One telling example: In late 2016, Uber targeted a share offering to high-end retail investors, which were presumably even dumber money than the Saudis that had invested in its previous round. Nevertheless, both JP Morgan and Deutsche Bank turned down the “opportunity” to market Uber shares to their clients, even though this could jeopardize their position in a future Uber IPO. Why? The “ride sharing” company supplied 290 pages of verbiage, but not its net income or even annual revenues.
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But what about driverless cars? Let’s put aside that some enthusiasts like Apple co-founder Steve Wozniak now believe that fully autonomous cars are “not going to happen.” Fully autonomous cars would mean Uber would have to own the cars. The capital costs would be staggering and would burst the illusion that Uber is a technology company rather that a taxi company that buys and operates someone else’s robot cars.
Tuesday, December 18, 2018
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