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Designing Information Provision Experiments

Designing Information Provision Experiments

484/2020 Ingar Haaland, Christopher Roth and Johannes Wohlfart
behavioural economics and wellbeing, working papers

484/2020 Ingar Haaland, Christopher Roth and Johannes Wohlfart

We review methodological questions relevant for the design of information provision experiments. We first provide a literature review of major areas in which information provision experiments are applied. We then outline key measurement challenges and design recommendations that may be of help for practitioners planning to conduct an information experiment. We discuss the measurement of subjective beliefs, including the role of incentives and ways to reduce measurement error. We also discuss the design of the information intervention, as well as the measurement of belief updating. Moreover, we describe ways to mitigate potential experimenter demand effects and numerical anchoring arising from the information treatment. Finally, we discuss typical effect sizes in information experiments.

Behavioural Economics and Wellbeing