We analyse a (differentiated good) industry where an incumbent firm owns a networkgood (essential input) and faces potential competition in the (downstream) retailmarket. Unlike the traditional approach, we consider a scenario where the decision tocompete or not in the downstream segment is...

We analyse a (differentiated good) industry where an incumbent firm owns a network good (essential input) and faces potential competition in the (downstream) retail market. Unlike the traditional approach, we consider a scenario where the decision to compete or not in the downstream segment is...

When firms can supply several separate markets, collusion can take two forms. Either firms establish production quotas on all the markets, or they share markets. This paper compares production quotas and market sharing agreements in a Cournot duopoly where firms incur a fixed cost for serving...