1 “... the resulting household air pollution levels are still many times greater than the World Health Organization...”

2 “... in time. The results show that 62 percent of the households surveyed still retained their stoves after...”

3 “... with little or no increase in cooking time. Because approximately 88 percent of harvests from Ethiopian...”

4 “... for the durability, fuelwood use reduction, smoke reduction, and cooking time reduction of improved stoves. It also...”

5 “... of the stability and evolution of preferences over time. The study uses a novel approach combining a repeated...”