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Risikoberücksichtigung in der nicht parametrischen Effizienzanalyse: Auswirkungen auf die Effizienzbewertung von deutschen Schweinemastbetrieben

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  • Tiedemann, Torben
  • Breustedt, Gunnar
  • Latacz-Lohmann, Uwe

Abstract

In diesem Beitrag werden zwei Modellansätze zur Integration von Risiko in die Data Envelopment Analyse (DEA) vorgestellt und exemplarisch auf ein balanciertes Panel von 278 unterschiedlich stark spezialisierten Schweinemastbetrieben angewendet. Beide Ansätze bilden das Risiko des Gesamtbetriebs in Form der Schwankungen des betrieblichen Gesamtdeckungsbeitrags ab und beziehen es direkt in die Bestimmung von effizienten Referenzbetrieben mit ein. Als Maß für die Outputschwankungen wird in beiden Modellen die Standardabweichung des Gesamtdeckungsbeitrags verwendet, es werden jedoch unterschiedliche Annahmen hinsichtlich der Korrelation der Outputschwankungen zwischen den Referenzbetrieben getroffen. Durch einen Vergleich der Ergebnisse mit denen eines Standard-DEA-Modells wird gezeigt, dass die Berücksichtigung von Risiko zu veränderten Effizienzbewertungen von landwirtschaftlichen Betrieben führen kann. Insbesondere erreichen viele stark diversifizierte Betriebe einen besseren Effizienzwert, wenn ihre Outputschwankungen explizit berücksichtigt werden. This paper presents two approaches to integrating risk into Data Envelopment Analysis (DEA). The riskadjusted DEA models are applied to a balanced panel of 278 farms with alternative degrees of specialisation in pig fattening. Both models explicitly take account of output risk in determining efficient benchmarks. Output risk is measured and included in both models as standard deviation of total farm gross margin but different assumptions are formulated with respect to the correlation of the output among observations. Contrasting the results of the two risk-adjusted models to those of the standard DEA model reveals significant differences in efficiency scores. The empirical results support the hypothesis that farms with a low degree of specialisation in particular achieve higher efficiency scores when output risk is explicitly accounted for.

Suggested Citation

  • Tiedemann, Torben & Breustedt, Gunnar & Latacz-Lohmann, Uwe, 2011. "Risikoberücksichtigung in der nicht parametrischen Effizienzanalyse: Auswirkungen auf die Effizienzbewertung von deutschen Schweinemastbetrieben," German Journal of Agricultural Economics, Humboldt-Universitaet zu Berlin, Department for Agricultural Economics, vol. 60(04), pages 1-15, November.
  • Handle: RePEc:ags:gjagec:169850
    DOI: 10.22004/ag.econ.169850
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    Cited by:

    1. Reise, Christian & Liebe, Ulf & Mußhoff, Oliver, 2012. "Präferenzen von Landwirten bei der Gestaltung von Substratlieferverträgen für Biogasanlagen: Ein Choice-Experiment," Journal of International Agricultural Trade and Development, Journal of International Agricultural Trade and Development, vol. 61(3).
    2. Reise, Christian & Liebe, Ulf & Musshoff, Oliver, 2012. "Design of substrate supply contracts for biogas plants," 2012 Conference (56th), February 7-10, 2012, Fremantle, Australia 124428, Australian Agricultural and Resource Economics Society.
    3. Agata Malak-Rawlikowska & Monika Gębska & Robert Hoste & Christine Leeb & Claudio Montanari & Michael Wallace & Kees de Roest, 2021. "Developing a Methodology for Aggregated Assessment of the Economic Sustainability of Pig Farms," Energies, MDPI, vol. 14(6), pages 1-25, March.
    4. Morfeld, Ulf & Latacz-Lohmann, Uwe & Krieter, Joachim, 2014. "Application and comparison of risk adjusted performance-indicators in the context of pig production," International Journal of Agricultural Management, Institute of Agricultural Management, vol. 3(2), pages 1-9, January.
    5. Reise, Christian & Liebe, Ulf & Mußhoff, Oliver, 2012. "Präferenzen von Landwirten bei der Gestaltung von Substratlieferverträgen für Biogasanlagen: Ein Choice-Experiment," German Journal of Agricultural Economics, Humboldt-Universitaet zu Berlin, Department for Agricultural Economics, vol. 61(03), pages 1-16, August.

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