In a hybrid-format supply chain, an intermediary serves as a reseller as well as a marketplace. This paper studies the intermediary's incentive to share the privately observed demand in- formation with its upstream supplier when the supplier can also engage in the marketplace offered by the...

The financial motivation to earn advertising revenue by spreading misinformation has been widely conjectured to be among the main reasons misinformation continues to be prevalent online. Research aimed at reducing the spread of misinformation has so far focused on user-level interventions with...