Scientific publications are produced at a staggering pace. Researchers select what to read also thanks to journal prestige and paper reputation, which is conveyed by social media, and amounts to a virtual reputation system. In this paper, Francesco Grimaldo, Mario Paolucci and Jordi Sabater-Mir compare by simulation the performance of reputation and peer review. They find that in the presence of outliers, peer review is more effective, otherwise reputation performs better.
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