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NEATS: A Network Economics Approach to Trophic Systems

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  • Mullon, Christian
  • Shin, Yunne
  • Cury, Philippe

Abstract

The main principle of the economic approach to a trophic system we propose here lies in assuming that there is a transfer of food along a path between a prey and a predator if, for the predator, the benefits are greater than costs of predation on this path. Conversely, if the costs exceed the benefits, there are no flows. This trade-off, considered all along the food chains of an ecosystem, together with ecological processes (assimilation, somatic maintenance) results in a model coupling mass balance equations (biological constraints) and complementarity principles (Walras’ law). Here is the core of the Network Economics Approach to Trophic Systems (NEATS).

Suggested Citation

  • Mullon, Christian & Shin, Yunne & Cury, Philippe, 2009. "NEATS: A Network Economics Approach to Trophic Systems," Ecological Modelling, Elsevier, vol. 220(21), pages 3033-3045.
    • Handle: RePEc:eee:ecomod:v:220:y:2009:i:21:p:3033-3045
    DOI: 10.1016/j.ecolmodel.2009.02.008
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    References listed on IDEAS

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    1. Finnoff, David & Tschirhart, John, 2003. "Harvesting in an eight-species ecosystem," Journal of Environmental Economics and Management, Elsevier, vol. 45(3), pages 589-611, May.
    2. Hannon, Bruce, 1997. "The use of analogy in biology and economics: From biology to economics, and back," Structural Change and Economic Dynamics, Elsevier, vol. 8(4), pages 471-488, October.
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    Cited by:

    1. Nagurney, Anna & Nagurney, Ladimer S., 2012. "Dynamics and equilibria of ecological predator–prey networks as nature’s supply chains," Transportation Research Part E: Logistics and Transportation Review, Elsevier, vol. 48(1), pages 89-99.

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