Social Media and Misleading Information in a Democracy: A Mechanism Design Approach
2021
In this paper, we present a resource allocation mechanism to incentivize misinformation filtering among strategic social media platforms, and thus, to indirectly prevent the spread of fake news. We consider the presence of a strategic government and private knowledge of how misinformation affects the users of the social media platforms. Our proposed mechanism strongly implements all generalized Nash equilibria for efficient filtering of misleading information in the induced game with a balanced budget. We also show that for quasi-concave utilities our mechanism implements a Pareto efficient solution.
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