The widespread growth of e-commerce has resulted in the proliferation of online search infomediaries (OSIs), who provide consumers with information about products and services sold by different firms (Parents), while also referring interested consumers to the Parents' website. Very often, both...

Recently, the disruptive impact of blockchain technology on the digital advertising industry has caught widespread attention. However, advertisers are uncertain of whether to adopt the blockchain, and it is unclear how publishers would allocate their spots facing this new technology. Although...