“…In our main model, we restrict our attention to the case where the two‐market retailer 2 is always a nontrivial participant in both markets
and
. In practice, however, the antitrust policy intervention in her pricing strategy can induce a multimarket retailer to exit her weak market (Aguirre,
2016). In our framework, under no policy intervention, the two‐market retailer 2 always undercuts local retailer 1 in market
(i.e.,
).…”