Kelsey Piper
Contributing editor
Latest articles by Kelsey Piper
We were right about the US avoiding recession and wrong about Brexit.
The world’s richest person reflects on taxing the rich.
Randomized controlled trials and the debate over them, explained.
How pessimism about the future affects how we think about humanity and extinction.
Taxing the rich will likely make the ultra-wealthy spend more. Here’s how that could backfire.
More restaurants are adding meatless “meat” offerings.
Predict, a pandemic preparedness program, thrived under Bush and Obama. Now it’s canceled.
Stuart Russell wrote the book on AI and is leading the fight to change how we build it.
A powerful new technique lets robots learn more and handle the unexpected better.
In the last 20 years, development economics has been transformed. These researchers are the reason why.