In the early 70s, the retail landscape of the Lisbon Metropolitan Area (LMA) was mostly confined to the Lisbon downtown. However, the retail landscape is changing at a rapid pace. In the mid-80s, two focus of retail competition (Amoreiras Shopping Center and Roma Avenue) appeared out-of-city...

This paper analyzes exclusionary conduct of platforms in two-sided markets. Motivated by recent antitrust cases against shopping centers introducing radius restrictions on their tenants, we provide a discussion of the likely positive and normative effects of exclusivity clauses, which prevent...

Two-sided markets are the new issues in economic theory and have been studied since the beginning of the 21th century. Barriers to entry are also important to provide a balanced full competition condition in markets. Generally, incumbent firms don’t want new rivals because new rivals usually...