Human interactions with the environment can profoundly impact many outcomes – health being chief among them. While the nature of environmental risks changes across time and space, the burden of disease attributable to environmental risk hovers stubbornly around one quarter of the total global...

This paper examines the application of quasi-experimental methods in environmental economics. We begin with two observations: (i) standard quasi-experimental methods, first applied in other microeconomic fields, typically assume unit-level treatments that do not spill over across units; (ii)...