This dissertation examines impacts of product information and environmental events on individual behavior and the economy. This is done using a causal inference econometric approach, an eye-tracking laboratory experiment, and scenario forecasting. The first essay evaluates the effects of unit-based pricing (UBP) of municipal solid waste and a mandatory recycling (MR) policy on waste reduction, recycling, and illegal waste dumping in Taiwan. The results suggest that the UBP policy curbed the quantity of unsorted waste and increased disposal of biodegradable waste but did not significantly increase the quantity of recycling. In contrast, the MR policy boosted biodegradable waste and recycling but did not necessarily decrease the amount of u...