Charles Rubenfeld

Charles Rubenfeld

New York
Mar
20
Indexing is still a bet

Indexing is still a bet

Even when indexing, you still need to make a bet about what's going to happen in the world.
5 min read
Dec
23
Knowledge Work's Model T Moment

Knowledge Work's Model T Moment

From 1900 to 2000, the productivity of the manual laborer in the US increased by a factor of 50. Thanks
7 min read
Sep
30
Inflation is being mismeasured, but not in the way you think

Inflation is being mismeasured, but not in the way you think

Why inflation has likely been lower than you think in the last 100 years, and why it matters for understanding technological progress.
17 min read
Sep
05
What we can learn from Japan

What we can learn from Japan

What we can learn about cities and infrastructure from Japan and why you should demand more from your political leaders.
16 min read
Jul
03
AI and the Constraints on Time

AI and the Constraints on Time

Companies and customers will each have their own AI agents soon, necessitating the need for “proof of personhood” on the internet.
3 min read
Apr
06
Why Batching is the Future of Food Delivery

Why Batching is the Future of Food Delivery

Delivery marketplaces are still largely stuck on the model of one order-one courier. To grow more from here, they need to make batching work.
9 min read
Nov
22
Prediction Markets Win Again

Prediction Markets Win Again

Prediction markets beat pollsters again in the 2020 election.
9 min read
Nov
03
Reasons in Favor of Prop 22

Reasons in Favor of Prop 22

A close look at the data shows AB5 will hurt the people it's trying to help. Vote Yes on Prop 22.
11 min read