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Marit Hinnosaar , Toomas Hinnosaar , Michael E. Kummer , Olga Slivko ·

YOU? · · 2021 · Open Access · · DOI: https://doi.org/10.1111/jems.12421 · OA: W4230970510

We document a causal impact of online user‐generated information on real‐world economic outcomes. In particular, we conduct a randomized field experiment to test whether additional content on Wikipedia pages about cities affects tourists' choices of overnight visits. Our treatment of adding information to Wikipedia increases overnight stays in treated cities compared to nontreated cities. The impact is largely driven by improvements to shorter and relatively incomplete pages on Wikipedia. Our findings highlight the value of digital public goods for informing individual choices.

Keywords: Value (mathematics) · Test (biology) · Field (mathematics) · Public good · Randomized experiment · Advertising · Business · Computer science · Economics · Microeconomics · Medicine