This paper compares equilibrium outcomes in search markets with and without referrals. Although consumers would benefit from honest referrals, it is not at all clear whether firms would unilaterally provide information about competing offers since such information could encourage a consumer to...

In many industries, firms reward their customers for making referrals. We analyze the optimal policy mix of price, advertising intensity, and a referral fee for monopoly when buyers choose to what extent to refer other consumers to the firm. We find that the firm advertises less under referrals,...

Jun and Kim (2008) consider the optimal pricing and referral strategy of a monopoly that uses a consumer communication network to spread product information. They show that for any finite referral chain, the optimal policy involves a referral fee that provides strictly positive referral...