Why is Google's market share in web search so high?
1) switching costs play a limited role
2) perceived (rather than actual) quality differences
3) switching defaults increases Bing market share by more than correcting quality
beliefs, consistent with persistent inattention
RCT introduction of a pollution market in Surat, Gujarat.
Pollution fell by 20–30%, and efficiently — gains came from the firms who could cut pollution most effectively.
Mortality benefits are *25 times* costs.
An incredible state/research collaboration.
1/2
Holy crap, this chart showing how much acreage has already burned in California this year compared to the last five years — which includes the biggest fire years on record, 2020 and 2021 — is truly terrifying: https://t.co/pWzuzOHbK6 via @grace_2e
Solar panels are so cheap that we now:
(1) make fences out of them, because they're cheaper than fencing
(2) just throw them on the ground without mounting
(3) use them as conference tables
(4) build 56 GW/year manufacturing facilities
Energy abundance is here! (sources in 🧵)
Did you know DOJ is suing Apple? You did? Okay.
Well, there's a lot of talk comparing the Apple antitrust case to Microsoft back in the day.
What were the effects of the Microsoft lawsuit? There's an important paper you should know 🧵
NEW 🧵:
American politics is in the midst of a racial realignment.
I think this is simultaneously one of the most important social trends in the US today, and one of the most poorly understood.
1/14
This very good article explains quite well the problems the Chinese economy currently faces, but it should stress more that the model didn't "break down" recently, when growth rates started to slow sharply.
It broke down at least 10-15 years ago.
https://t.co/i9O7sspuVX
Today might have seen the biggest physics discovery of my lifetime. I don't think people fully grasp the implications of an ambient temperature / pressure superconductor. Here's how it could totally change our lives.
Time is money. If it takes twice as long to do something you earn half as much. This is the brutal fact at the heart of Brexit.
Let’s "Brexit" a £12.99 paperback, blow by blow, and see what difference leaving the single market has made.
43% of White students at Harvard are legacy, athletes, related to donors or staff.
All the universities making social media statements today should end legacy admissions tomorrow. https://t.co/ysuQaAxgi2
Are you interested in the Chinese feminist movement but find yourself confused by the ever-evolving terminology?
In this thread, I’ve compiled some terms frequently seen used by Chinese feminists online and their definitions:
🧵⬇️
(note - some terms used by radfems only) (1/8)
the only people I’ve seen dismissing this insightful article are ones who don’t seem to understand compression very well
the only surprise(?) is that it took a skilled writer and thinker, instead of one of us researchers, to make the case crystal clear
https://t.co/Gmr7JxAKuh
IT'S OUT!
Today, @risj_oxford and @CarbonBrief launched the Global South Climate Database, with hundreds of climate scientists and experts from Africa, Asia, Latin America and the Caribbean and the Pacific. It’s been months in the making. Here’s what it’s about.
🧵
NEW: income inequality in US & UK is so wide that while the richest are very well off, the poorest have a worse standard of living than the poorest in countries like Slovenia https://t.co/gtHvhNsnuT
Essentially, US & UK are poor societies with some very rich people.
A thread: