Christopher B. Barrett
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View article: Rice-Fish Co-Culturing for Sustainability, Food Security, and Disease and Poverty Reduction
Rice-Fish Co-Culturing for Sustainability, Food Security, and Disease and Poverty Reduction Open
Over 140 million households cultivate rice worldwide. However, rice production contributes to exceedances of planetary boundaries, such as freshwater use and biogeochemical flows. Additionally, rice-farming families may face increased risk…
View article: The Probability of Food Security: A new longitudinal data set using the Panel Study of Income Dynamics
The Probability of Food Security: A new longitudinal data set using the Panel Study of Income Dynamics Open
The study of food security dynamics in the U.S. has long been impeded by the lack of extended longitudinal observations of the same households or individuals. This paper applies a newly-introduced household-level food security measure, the…
View article: Spatial Heterogeneity in Machine Learning-Based Poverty Mapping: Where Do Models Underperform?
Spatial Heterogeneity in Machine Learning-Based Poverty Mapping: Where Do Models Underperform? Open
This paper examines where poverty mapping based on machine learning underperforms due to variations across areas. It highlights the need for nuanced analysis and improved training data and remote sensing proxies to ensure poverty maps bett…
View article: Index-based Livestock insurance to support pastoralists against droughts
Index-based Livestock insurance to support pastoralists against droughts Open
View article: How Removing Overgrown Water Plants Can Help Kids Stay Healthy and Improve The Planet
How Removing Overgrown Water Plants Can Help Kids Stay Healthy and Improve The Planet Open
In Africa, many kids get sick from tiny worms called Schistosoma. These worms can slow children’s growth and development; damage the liver, intestines, and bladder; and sometimes lead to cancer or even death. Schistosoma can keep communiti…
View article: Fostering Healthy, Equitable, Resilient, and Sustainable Agri‐Food Value Chains
Fostering Healthy, Equitable, Resilient, and Sustainable Agri‐Food Value Chains Open
The need for agrifood systems transformation to improve economic, environmental, equity, and health outcomes is widely recognized. Attention typically focuses on changing farming practices, consumers’ dietary choices, or both. Midstream ag…
View article: Understanding the Persistence of Rice Residue Burning in Northwestern India: A Mixed Methods Approach
Understanding the Persistence of Rice Residue Burning in Northwestern India: A Mixed Methods Approach Open
View article: Spatial Heterogeneity in Machine Learning-Based Poverty Mapping: Where Do Models Underperform?
Spatial Heterogeneity in Machine Learning-Based Poverty Mapping: Where Do Models Underperform? Open
View article: Long-run Effects of Catastrophic Drought Insurance
Long-run Effects of Catastrophic Drought Insurance Open
View article: Pantograph: A Machine-to-Machine Interaction Interface for Advanced Theorem Proving, High Level Reasoning, and Data Extraction in Lean 4
Pantograph: A Machine-to-Machine Interaction Interface for Advanced Theorem Proving, High Level Reasoning, and Data Extraction in Lean 4 Open
Machine-assisted theorem proving refers to the process of conducting structured reasoning to automatically generate proofs for mathematical theorems. Recently, there has been a surge of interest in using machine learning models in conjunct…
View article: Perspective paper: Framework to assess the potential of circular food system technologies
Perspective paper: Framework to assess the potential of circular food system technologies Open
View article: Innovation portfolio management for the public non-profit research and development sector: What can we learn from the private sector?
Innovation portfolio management for the public non-profit research and development sector: What can we learn from the private sector? Open
View article: Climate change exacerbates the environmental impacts of agriculture
Climate change exacerbates the environmental impacts of agriculture Open
Agriculture’s global environmental impacts are widely expected to continue expanding, driven by population and economic growth and dietary changes. This Review highlights climate change as an additional amplifier of agriculture’s environme…
View article: Efficiently Computing Compact Formal Explanations
Efficiently Computing Compact Formal Explanations Open
Building on VeriX (Verified eXplainability, arXiv:2212.01051), a system for producing optimal verified explanations for machine learning models, we present VeriX+, which significantly improves both the size and the generation time of forma…
View article: Ventricular stimulation in patients with myotonic dystrophy type 1 may not predict future ventricular arrhythmias
Ventricular stimulation in patients with myotonic dystrophy type 1 may not predict future ventricular arrhythmias Open
View article: Escaping Poverty Traps and Unlocking Prosperity in the Face of Climate Risk
Escaping Poverty Traps and Unlocking Prosperity in the Face of Climate Risk Open
This Element outlines the origins and evolution of an international award-winning development intervention, index-based livestock insurance (IBLI), which scaled from a small pilot project in Kenya to a design that underpins drought risk ma…
View article: Comment on essd-2023-217
Comment on essd-2023-217 Open
Abstract. Tracking environmental change is important to ensure efficient and sustainable natural resources management. East Africa is dominated by arid and semi-arid rangeland systems, where extensive grazing of livestock …
View article: Integrating Socio-Economic and Environmental Interventions to Improve Well-Being in Vulnerable Communities
Integrating Socio-Economic and Environmental Interventions to Improve Well-Being in Vulnerable Communities Open
Problem statement 2Poor rural communities often lack sufficient food and clean water to maintain human health and productivity, and face a high burden of infectious diseases, generating reinforcing feedback that causes poverty-disease trap…
View article: Comment on essd-2023-217
Comment on essd-2023-217 Open
Abstract. Tracking environmental change is important to ensure efficient and sustainable natural resources management. East Africa is dominated by arid and semi-arid rangeland systems, where extensive grazing of livestock …
View article: Comment on essd-2023-217
Comment on essd-2023-217 Open
Abstract. Tracking environmental change is important to ensure efficient and sustainable natural resources management. East Africa is dominated by arid and semi-arid rangeland systems, where extensive grazing of livestock …
View article: Modeling how and why aquatic vegetation removal can free rural households from poverty-disease traps
Modeling how and why aquatic vegetation removal can free rural households from poverty-disease traps Open
Infectious disease can reduce labor productivity and incomes, trapping subpopulations in a vicious cycle of ill health and poverty. Efforts to boost African farmers' agricultural production through fertilizer use can inadvertently promote …
View article: The Incidence of Grocery Taxes in U.S. Food and Factor Markets
The Incidence of Grocery Taxes in U.S. Food and Factor Markets Open
View article: Perspective Paper: Framework to Assess the Potential of Circular Food System Technologies
Perspective Paper: Framework to Assess the Potential of Circular Food System Technologies Open
View article: Estimating Multidimensional Development Resilience
Estimating Multidimensional Development Resilience Open
View article: Evolution of the One CGIAR’s research and innovation portfolio to 2030: approaches, tools, and insights after the reform
Evolution of the One CGIAR’s research and innovation portfolio to 2030: approaches, tools, and insights after the reform Open
View article: Long-run effects of catastrophic drought insurance
Long-run effects of catastrophic drought insurance Open
We study the long-run impacts of catastrophic drought insurance – first introduced in 2010 – on income, assets, production strategies, and human capital accumulation among pastoralists in Kenya and Ethiopia. We leverage randomized insuranc…
View article: Atrial isochronal late activation mapping keeps the diaphragm alive
Atrial isochronal late activation mapping keeps the diaphragm alive Open
View article: Food security dynamics in the United States, 2001–2017
Food security dynamics in the United States, 2001–2017 Open
We study household food security dynamics in the United States from 2001 to 2017 using a new measure, the probability of food security (PFS), the estimated probability that a household's food expenditures equal or exceed the minimum cost o…
View article: The Political Economy of Bundling Socio-Technical Innovations to Transform Agri-Food Systems
The Political Economy of Bundling Socio-Technical Innovations to Transform Agri-Food Systems Open
Agri-food systems transformation requires accelerated innovations to address multiple economic, environmental and health objectives. No innovation serves everyone’s interests. Political opposition to innovations is therefore inevitable. Pr…
View article: ‘Benevolent’ patent extensions could raise billions for R&D in poorer countries
‘Benevolent’ patent extensions could raise billions for R&D in poorer countries Open
Research into vaccines, crop seeds and other innovations for low- or middle-income nations could be rewarded by offering longer patent coverage for profitable, non-essential inventions. Research into vaccines, crop seeds and other innovati…