
Greer Gosnell
Greer Gosnell is a Senior Research Manager at Rethink Priorities. Before joining RP, Greer earned her doctorate and completed a postdoctoral fellowship in environmental economics from the London School of Economics and Political Science. Greer is an open science advocate and field experimentalist specializing in rigorously testing the impact of policies and practices on environmentally relevant behavior and decision-making.
Research Articles
Livelihood interventions: overview, evaluation, and cost-effectiveness
Researcher Ruby Dickson and Senior Environmental Economist Greer Gosnell investigated various interventions that may help very poor people to increase their income and earning potential in the short and medium term. Their goal in this report is to provide a foundational overview of the potential for particular income-improving livelihood interventions with a focus on sub-Saharan Africa (SSA).
Priority review vouchers for tropical diseases: Impact, distribution, effectiveness, and potential improvements
This report examines the Priority Review Vouchers (PRV) that the US government has issued under its Tropical Disease PRV Program, which provides financial incentives for research and development targeting neglected tropical diseases.
Research in brief: Climate philanthropy landscape
This post summarizes research that Rethink conducted in December 2021 into the state of climate philanthropy—including the amount that has been committed, how it is allocated, and the identity of major funders—as well as a comparison with public and private climate funding.
The REDD+ framework for reducing deforestation and mitigating climate change: overview, evaluation, and cost-effectiveness
The first of a two-part series on anti-deforestation initiatives, this report examines the feasibility and cost-effectiveness of the REDD+ framework for reducing forest loss and degradation and for abating CO2 emissions that contribute to climate change.
Family Empowerment Media: track record, cost-effectiveness, and main uncertainties
This commissioned report assesses the cost-effectiveness of nonprofit Family Empowerment Media (FEM) on behalf of an anonymous donor.
Climate research in effective altruism
Editorial note The Global Health and Development (GHD) team at Rethink Priorities (RP) periodically assesses its approach to impactful research and exploring promising lines of work going forward. This…
Research in brief: Clean energy price trajectories
This post summarizes research that Rethink conducted in 2022 on the trajectory of the prices of clean energy over the next 25-100 years. The researchers also looked into whether resource or scientific constraints may inhibit clean energy innovation and scaling.
Research in brief: Carbon capture landscape and challenges
This post summarizes research that Rethink conducted in 2022 on the neglectedness of carbon capture technologies over a five- to ten-year horizon, as well as bottlenecks associated with the field and tractable interventions to overcome them.
Cost-effectiveness analysis of Lafiya Nigeria intervention
Editorial Note This document is intended to explain some of the modeling decisions we made in assessing the cost-effectiveness of Lafiya Nigeria’s intervention, along with some considerations for scaling…
Research in Brief: Evidence review of family planning interventions
This is a summary of an evidence review of family planning interventions. The review mostly focused on the Family Planning High Impact Practices List, or HIPs, which are a set of family planning practices considered to be the gold standard, and on “Service Delivery” interventions, the category of HIPs that best aligns with GiveWell’s traditional program model.
Vaccine delivery: Timelines and drivers of delay in low- and middle-income countries
Universal introduction of vaccines in low- and middle-income countries has lagged behind introductions in high-income countries. While Gavi—a global public-private partnership—has helped to alleviate cost-related delays, additional bottlenecks remain. This report suggests interventions to further improve efficiency and experiences throughout the vaccine delivery process.
Promising Interventions in Maternal and Neonatal Health
Executive summaryThis report, commissioned by Open Philanthropy (OP), provides an initial exploration of maternal and neonatal health (MNH) interventions in low- and middle-income countries (LMICs) to identify promising areas for…