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Sustainable Network Dynamics

Author

Listed:
  • Arnaud Dragicevic

    () (Laboratoire d'Economie Forestière, INRA - AgroParisTech)

  • Bernard Sinclair-Desgagné

    (HEC Montréal
    École Polytechnique ParisTech – Département d’Économie)

Abstract

We propose a dynamic graph-theoretic model for ecosystem management as a control over networked system composed of target nodes and unmarked nodes. The network is represented by a complete graph, in which all vertices are connected by a unique edge. Target nodes are attracted by the objective function issued from the external ecosystem management. They pull the network toward the objective position, which is either non-null or stationary. The management policy is considered successful if the graph remains connected in time, that is, target nodes attain the objective and unmarked nodes stay in the convex hull. At the time of the ecosystem network transfer, the model yields an Impossibility Theorem as well as a Sustainability Criterion to maintain full connectivity of the network. Our definition of sustainability can be easily linked to the general definition of sustainability as ecosystem integrity preservation. At last, we identify three management rules to ensure the maintenance of connectivity in time, given the property of the objective transposition function, the nature of connections and the utility-updating time-delays between the nodes.

Suggested Citation

  • Arnaud Dragicevic & Bernard Sinclair-Desgagné, 2012. "Sustainable Network Dynamics," Working Papers - Cahiers du LEF 2012-02, Laboratoire d'Economie Forestiere, AgroParisTech-INRA, revised Jul 2012.
  • Handle: RePEc:lef:wpaper:2012-02
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    File URL: http://www.nancy.inra.fr/lef_eng/cahiers_du_lef/2012/2012_02
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    Keywords

    bioeconomics; ecosystem management; graph theory; connectedness.;

    JEL classification:

    • C61 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Optimization Techniques; Programming Models; Dynamic Analysis
    • Q2 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Renewable Resources and Conservation
    • Q5 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics

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