We show that a regulatory disclosure of hidden debt eliminated a large mispricing in housing. In a setting where homebuyers must combine several sources of debt, they are biased towards hidden loans, especially if they are young, or have no experience in financial investments or home...

Through charging or subsidizing shoppers, a platform participates in the pricing game played by n hosted third-party sellers, who sell different products and share profits or revenues with the platform. The platform's equilibrium access price for shoppers is determined by bilateral effects...