Urban waste management challenges pose significant health and economic consequences. Although source-level waste segregation offers a promising solution, its success depends on household participation. Through a randomized controlled trial in the capital city of Bihar, India, we evaluate how...

Elements of regulation inherent in most social health insurance systems are a uniform package of benefits and uniform cost sharing. Both elements risk to burden the population with a welfare loss if preferences differ. This suggests introducing more contracted choice; however, it is widely...

We provide new evidence on consumer demand for ethical products from experiments conducted in a U.S. grocery store chain. We find that sales of the two most popular coffees rose by almost 10% when they carried a Fair Trade label as compared to a generic placebo label. Demand for the higher...

Surveys indicate that a majority of consumers would prefer to buy products made in environmentally sustainable ways, rather than alternatives, and would even be willing to pay a premium for such products. Many firms are now using environmental certifications and product labeling to market goods...