We make randomized firm-to-firm referrals between 700 supplier and client firms in the industry producing the Chinese writing brush. Subsidized referrals lead to subsequent transactions and a partial crowding out of prior partners; information-only referrals have no effect. The referrals...

China is the most important foreign market for Hollywood blockbusters because of its large number of moviegoers. Exploring blockbusters in China and marketing strategies is essential for Hollywood studios. We analyzed data on 959 movies and users of Douban and Maoyan to determine the effects of...