The GiveWell Blog

All posts by GiveWell Staff

Re-evaluating the Impact of Unconditional Cash Transfers

| by GiveWell Staff

This year, we re-evaluated the cost effectiveness of direct cash transfers as implemented by our friends at GiveDirectly. Our complete writeup is here, and full of fascinating details, but the main headline is: we now estimate that GiveDirectly’s flagship cash program is 3 to 4 times more cost-effective than we’d previously estimated.

It is important to note two things: (1) this won’t alter our Top Charities list or our grantmaking—we believe that the programs we currently direct funding to are at least twice as cost-effective as this new estimate, so we don’t expect to support GiveDirectly’s flagship program in the near term; and (2) this update is the result of re-evaluating the evidence underpinning GiveDirectly’s program, which we hadn’t formally done since 2019—the structure of GiveDirectly’s program has not changed (though they are now carrying it out in more locations since our last evaluation).

We share more information about our research below. You can read our full, detailed report here. You can read GiveDirectly’s blog post on our re-evaluation here.

Read More

Finding and Vaccinating More Children

| by GiveWell Staff

We’re crossposting the first part of a blog post by New Incentives, one of our grantee organizations and Top Charities. New Incentives aims to increase vaccination coverage in Northern Nigeria by providing cash incentives to parents and caregivers.

We recognize that individual stories about a program can be misleading, as they can often highlight the best examples rather than typical cases. However, we hope that this post, about New Incentives’ efforts to reach zero-dose children, can provide another angle for understanding the efforts of our Top Charities.

Read More

GiveWell as Moneyball

| by GiveWell Staff

If there’s one group of people who are as obsessed as we are with rigorously analyzing a complicated domain and figuring out where to prioritize scarce resources, it’s Major League Baseball front offices. With that in mind, we wanted to write this guide comparing some baseball statistics with the metrics we take into consideration when evaluating programs to save and improve lives.

Batting Average: Batting average is simple to calculate and easy to explain, and it was historically considered one of the most important ways of evaluating how good a player was. It remains one of the primary baseball stats you’ll find in the newspaper.

But as a measure of a player’s value, batting average isn’t actually all that helpful—and at times can be actively misleading. One of the two primary shortcomings of batting average is that it ignores plate appearances that end in a walk. But walks are really valuable! The Little League wisdom that “a walk is as good as a hit” is an oversimplification, but it also points us toward a statistic that’s more valuable than batting average. It turns out that on-base percentage, which considers walks (as well as the less common hit-by-pitch method of reaching base) as a successful outcome, is a better predictor of a player’s offensive value.

As an example, Juan Pierre and Adam Dunn, who both played in about 2,000 games over their careers, had lifetime batting averages of .295 and .237 respectively. At first glance this might give the impression that Pierre was the more productive hitter. Looking at on-base percentage though, we see that Dunn actually reached base more frequently than Pierre (.364 versus .343), which, combined with his propensity for hitting home runs (another indicator of offensive value that batting average ignores), made him the much more valuable career hitter. (Dunn’s negative defensive contributions are another story.)

Read More

September 2024 Open Thread

| by GiveWell Staff

Our goal with hosting quarterly open threads is to give blog readers an opportunity to publicly raise comments or questions about GiveWell or related topics (in the comments section below). As always, you’re also welcome to email us at info@givewell.org or to request a call with GiveWell staff if you have feedback or questions you’d prefer to discuss privately. We’ll try to respond promptly to questions or comments.

You can view previous open threads here.

Read More

More than a Spoonful of Medicine

| by GiveWell Staff

What does it take to prevent malaria? Some of the programs GiveWell recommends might sound straightforward—for example, seasonal malaria chemoprevention (SMC) programs provide antimalarial drugs to young children—but the process of accomplishing this is not simple at all.

Below, we offer a post from Malaria Consortium that describes the many complex steps required to carry out an SMC campaign. See our reports for more information about the evidence for SMC and about Malaria Consortium’s SMC program.

Read More

Some Things We’re Reading

(updated on: ) | by GiveWell Staff

Today we’re sharing a few quotes from pieces we’ve come across recently in our work—claims have not been vetted, and (of course) interest is not endorsement.

  • “The story of Ethiopian manufacturing—its rise, its faltering, and its potential for renewal—is an example, I believe, of where a little more empathy can lead to better economics.” (Oliver Kim, Global Developments)
  • “Every year, tuberculosis kills over a million people. Can a new vaccine turn the tide? For the last 100 years, we’ve only had one TB vaccine—and it leaves a lot to be desired.” (Jess Craig, Future Perfect)

Read More

Next Page »