On the Stability of Coalitions in Supply Chain Networks via Generalized Complementarity Conditions

Laura Scrimali ()
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Laura Scrimali: University of Catania

Networks and Spatial Economics, 2022, vol. 22, issue 2, No 9, 379-394

Abstract: Abstract In this paper, we consider a supply chain network model that consists of three layers of decision-makers, namely, suppliers, manufacturers and retailers, with prices and shipments that evolve in time. We focus on the vertical integration of the levels of the supply chain and consider the retailer as the dominant player of the coalition. We give a novel reformulation of the evolutionary variational inequality related to the equilibrium conditions underlying the model. This approach, based on complementarity conditions, allows us to analyze the Lagrange multipliers associated with production capacities to understand better market’s trend. We study the behavior of marginal profits and provide some results for the efficiency and the stability of the coalitions. We apply our theoretical achievements to a duopolistic model.

Keywords: SI: Evolutionary variational inequality; Equilibrium conditions; Lagrange multipliers (search for similar items in EconPapers)
Date: 2022
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DOI: 10.1007/s11067-019-09461-w

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