Abstract

Key Messages
●    Consumers may avoid consuming mussels if they perceive a high risk of HAB contamination, even under government monitoring.
●    HABs have significant welfare losses for consumers, but policies to ensure food safety in seafood markets can improve social welfare.
●    Perceptions about HABs and mussel attributes play a role in explaining consumer preferences, but the link varies across contexts.

We use air pollution exposure measurements and household survey data from four studies conducted across three countries in sub‐Saharan Africa (SSA) to analyze the association between carbon monoxide (CO) exposure from cooking with biomass and indicators of cognitive impairment. While there is strong evidence on the relationship between ambient air pollution exposure and cognitive impairment from studies in high‐income countries, relatively little research has focused on household air pollution (HAP) in low‐income country settings where risks of HAP exposure are high.

IntroductionGlobally, 3–4 billion people rely on solid fuels for cooking, and 1 billion use kerosene to light their homes.

This study investigates the impact of groundwater contamination on educational outcomes in India, using variations in the geographical coverage and timing of safe government piped water schemes. The study is based on survey data from public schools in Assam, one of India’s most groundwater-contaminated regions. It is found that prolonged exposure to unsafe groundwater is linked to increased absenteeism, grade retention, and lower test scores and CGPA. Additionally, the researchers use a nationally representative household survey to study the effect of arsenic contamination.