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Search our database of 998 randomized evaluations conducted by our affiliates in 84 countries. To browse summaries of key policy recommendations from a subset of these evaluations, visit the Policy Publications tab.

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Environment, Energy, & Climate Change

The Lightbulb Paradox: Consumer Behavior and Public Policy in the U.S. Electricity Market

Hunt Allcott , Dmitry Taubinsky

Energy-efficient technologies, such as compact fluorescent lightbulbs (CFLs), have the potential to save consumers money, but their adoption remains low. Researchers evaluated the impact of information and price on demand for CFLs in two contexts: an online survey platform and a typical retail setting. Information and subsidies increased consumers’ willingness to purchase CFLs. Researchers...

Man adjusts thermostat

Environment, Energy, & Climate Change

Opower: Evaluating the Impact of Home Energy Reports on Energy Conservation in the United States

Hunt Allcott , Todd Rogers

Researchers studied the short- and long-run effects of these reports on electricity use and found that reports reduced energy consumption by about 2 percent across twelve utilities.

Environment, Energy, & Climate Change

The Impact of Real-Time Electricity Pricing in the United States

During periods of high electricity use that strain the grid, electricity customers do not have any reason to conserve because they pay a fixed price per kilowatt hour of power. In this study, the researcher evaluated the impact on electricity usage of a real-time pricing scheme, which charges households different prices throughout the day based on fluctuating wholesale costs. Households charged...

Environment, Energy, & Climate Change, Firms

Distributing Pollution Rights in Cap-and-Trade Programs in the United States

Meredith Fowlie , Jeffrey Perloff

Researchers evaluated a cap-and-trade program in the United States to determine if the initial allocation of permits among firms affected how much firms decided to pollute. Evidence was consistent with, but not proof of, the economic theory that firms make decisions to reduce emissions based on their abatement costs and not the initial distribution of permits.

Smokestacks emit smoke into a hazy sky

Environment, Energy, & Climate Change, Political Economy & Governance, Firms

Increasing the Transparency of Environmental Regulation in India

Theory suggests that publicizing actionable information may improve regulatory accountability. In India, where particulate matter pollution is a pressing issue, researchers are investigating whether increased transparency about industrial firms’ pollution emissions can improve the enforcement of environmental laws and reduce pollution.