This paper provides a dynamic game of market entry to illustrate entry dynamics in an uncertain market environment. Our model features both private learning about the market condition and market competition, which give rise to the first-mover and second-mover advantages in a unified framework....

Platform-run marketplaces may exploit third-party sellers' data to develop competing products, but potential for future competition can deter sellers' entry. We explore how this trade-off affects the platform's referral fee and its own entry decision. We first characterize the platform's optimal...