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Researchers conducted a randomized evaluation to test the impact of different types of labels to signal product quality on sellers’ ability to develop a reputation for consistently selling high-quality watermelons in China. The more expensive laser-cut label influenced sellers to provide higher...

Workers with criminal records face substantially lower chances of securing employment compared to similar workers without such records. Researchers evaluated the effectiveness of different approaches, including wage subsidies, crime and safety insurance, past performance reviews, criminal record...

In order to assess the effects of online advertising, researchers evaluated the impact of a high volume of Facebook advertising on name recognition and favorability of political candidates. E xposure to Facebook ads did not increase recognition of a candidate’s name or increase positive assessments...

Researchers contacted registered voters in a New England town by telephone and asked a portion of these voters to predict whether or not they would vote. This allowed researchers to use a randomized evaluation to measure the impact of making a prediction about future voting behavior on actual voting...

Researchers present results from six randomized control trials of an integrated approach to improve livelihoods among the very poor. The impact on the poor households lasted at least a year after all implementation ended.

Researchers partnered with a Protestant church district in metropolitan Bavaria, Germany, to conduct a field experiment to reveal taxpayers’ motivations to comply with a local church tax. Researchers found that simplifying the tax notification, highlighting the possibility of tax enforcement, and...