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Martin Alfaro
 
''On Strategic Investments by Leader Firms under Endogenous Entry and Quantity Competition''
( 2020, Vol. 40 No.4 )
 
 
We consider a model where leader firms strategically use demand-enhancing investments to gain a better market position. Our setup is characterized by multiple heterogeneous leaders, free entry of followers, and quantity competition. Moreover, unlike previous studies under endogenous entry, we suppose that investments directly affect rival firms' profits. This formalizes that, all else equal, competition is tougher when goods are more appealing. By comparing the solutions of a simultaneous-moves and sequential-moves game, we show that each leader varies its investment to restrict entry of followers and increase its profit. Nonetheless, the rest of the outcomes are indeterminate. Due to this, we state conditions in terms of model primitives to ensure that leaders limit entry by investing more, and whether this increases or decreases each leader's revenue, quantity, and price. We conclude by applying our results to the case of a quality-augmented inverse CES demand.
 
 
Keywords: demand-enhancing investments, leaders, endogenous entry, free entry, aggregative games.
JEL: L1 - Market Structure, Firm Strategy, and Market Performance: General
L2 - Firm Objectives, Organization, and Behavior: General
 
Manuscript Received : Oct 07 2020 Manuscript Accepted : Dec 17 2020

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