In this paper, we construct a competitive food supply chain network model in which the profit-maximizing producers decide not only as to the volume of fresh produce produced and distributed using various supply chain network pathways, but they also decide, with the associated costs, on the initial quality of the fresh produce. Consumers, in turn, respond to the various producers' product outputs through the prices that they are willing to pay, given also the average quality associated with each producer or brand at the retail outlets. The quality of the fresh produce is captured through explicit formulae that incorporate time, temperature, and other link characteristics with links associated with processing, shipment, storage, etc. Capacities on links are also incorporated as well as upper bounds on the initial product quality of the firms at their production/harvesting sites. The governing concept of the competitive supply chain network model is that of Nash Equilibrium, for which alternative variational inequality formulations are derived, along with existence results. An algorithmic procedure, which can be interpreted as a discrete-time tatonnement process, is then described and applied to compute the equilibrium produce flow patterns and accompanying link Lagrange multipliers in a realistic case study, focusing on peaches, which includes disruptions.
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April 2018
Research Article|
April 30 2018
Dynamics of quality as a strategic variable in complex food supply chain network competition: The case of fresh produce
Special Collection:
Supply Network Dynamics
Anna Nagurney;
Anna Nagurney
1
Department of Operations and Information Management, Isenberg School of Management, University of Massachusetts
, Amherst, Massachusetts 01003, USA
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Deniz Besik;
Deniz Besik
1
Department of Operations and Information Management, Isenberg School of Management, University of Massachusetts
, Amherst, Massachusetts 01003, USA
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Min Yu
Min Yu
2
Pamplin School of Business Administration, University of Portland
, Portland, Oregon 97203, USA
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Chaos 28, 043124 (2018)
Article history
Received:
January 26 2018
Accepted:
April 09 2018
Citation
Anna Nagurney, Deniz Besik, Min Yu; Dynamics of quality as a strategic variable in complex food supply chain network competition: The case of fresh produce. Chaos 1 April 2018; 28 (4): 043124. https://doi.org/10.1063/1.5023683
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