Tl;dr:

The Decade Review happened: EA Forum users voted on which posts from the first decade of effective altruism they found most useful and important and reviewed the posts to explain what they appreciated.
We’re awarding $12,500 in prizes to authors and reviewers.^[1]
The distribution of prizes to authors was based on your votes, the results of which are linked.
I’m using this post to highlight some aspects of the winning posts and reviews. I encourage more discussion in the comments (and in new posts!).

Prizes for posts

We’re awarding a total of $10,000 to the top posts (and $2,500 for the top reviews). Note that some authors chose to donate their prizes.

Summary

We’re awarding $10,000 to authors of the posts, broken down as follows.

$1,500 to Hauke Hillebrandt and John G. Halstead ($750 each) for Growth and the case against randomista development
$1000 each to
1. Helen for Effective Altruism is a Question (not an ideology)
2. Jai for 500 Million, But Not A Single One More
3. Greg Lewis for Beware surprising and suspicious convergence
4. Nate Soares for On Caring
5. Luisa Rodriguez for two posts(!) : What is the likelihood that civilizational collapse would directly lead to human extinction (within decades)? and How bad would nuclear winter caused by a US-Russia nuclear exchange be?
$500 each to

First prize ($1500): Growth and the case against randomista development by Hauke Hillebrandt and John Halstead

Randomista development is “an approach to development economics [that focuses on] interventions which can be tested by randomised controlled trials (RCTs).” This is popular in effective altruism, but, as this post argues, might systematically undervalue or miss the interventions that have been responsible for some of the biggest improvements ever in quality of life. In particular, the authors discuss the importance of e...

Forum Review