We employ a Cournot model with interdependent demands to explore the interaction between demand and cost complementarities in mitigating upward pricing pressure, post-merger. The analysis reveals that even substantial increases in the HHI post-merger need not raise competitive concerns when...

The analysis reveals that price cap regulation (PCR) as commonly implemented closely approximates atomistic Cournot competition in terms of the pass-through of both industry and firm-specific cost-reducing innovation when the invariance property holds. A key finding is that the aggregate...