While Randomized Controlled Trials and lab-in-the-field experiments have become more common in development economics in recent years, the rigor and control of laboratory-based experiments has so far been difficult to access in developing countries. Here we describe the use of various cognitive...

The high correlation of industrial pollutant emissions complicates the estimation of the impact of industrial pollutants on health. To circumvent this, we use emissions from Kīlauea volcano, uncorrelated with other pollution sources, to estimate the impact of pollutants on local emergency room...