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The WITCH 2016 Model - Documentation and Implementation of the Shared Socioeconomic Pathways

Author

Listed:
  • Johannes Emmerling

    (Fondazione Eni Enrico Mattei (FEEM) and Centro Euromediterraneo sui Cambiamenti Climatici (CMCC), Italy)

  • Laurent Drouet

    (Fondazione Eni Enrico Mattei (FEEM) and Centro Euromediterraneo sui Cambiamenti Climatici (CMCC), Italy)

  • Lara Aleluia Reis

    (Fondazione Eni Enrico Mattei (FEEM) and Centro Euromediterraneo sui Cambiamenti Climatici (CMCC), Italy)

  • Michela Bevione

    (Fondazione Eni Enrico Mattei (FEEM) and Centro Euromediterraneo sui Cambiamenti Climatici (CMCC), Italy)

  • Loic Berger

    (Fondazione Eni Enrico Mattei (FEEM) and Centro Euromediterraneo sui Cambiamenti Climatici (CMCC), Italy Bureau Fédéral du Plan, Belgium)

  • Valentina Bosetti

    (Fondazione Eni Enrico Mattei (FEEM) and Centro Euromediterraneo sui Cambiamenti Climatici (CMCC), Italy, Bocconi University, Italy)

  • Samuel Carrara

    (Fondazione Eni Enrico Mattei (FEEM) and Centro Euromediterraneo sui Cambiamenti Climatici (CMCC), Italy)

  • Enrica De Cian

    (Fondazione Eni Enrico Mattei (FEEM) and Centro Euromediterraneo sui Cambiamenti Climatici (CMCC), Italy)

  • Gauthier De Maere D'Aertrycke

    (Fondazione Eni Enrico Mattei (FEEM) and Centro Euromediterraneo sui Cambiamenti Climatici (CMCC), Italy, Engie, Belgium)

  • Tom Longden

    (Fondazione Eni Enrico Mattei (FEEM) and Centro Euromediterraneo sui Cambiamenti Climatici (CMCC), Italy, University of Technology Sydney, Australia)

  • Maurizio Malpede

    (Fondazione Eni Enrico Mattei (FEEM) and Centro Euromediterraneo sui Cambiamenti Climatici (CMCC), Italy)

  • Giacomo Marangoni

    (Fondazione Eni Enrico Mattei (FEEM) and Centro Euromediterraneo sui Cambiamenti Climatici (CMCC), Italy)

  • Fabio Sferra

    (Fondazione Eni Enrico Mattei (FEEM) and Centro Euromediterraneo sui Cambiamenti Climatici (CMCC), Italy, Climate Analytics, Germany)

  • Massimo Tavoni

    (Fondazione Eni Enrico Mattei (FEEM) and Centro Euromediterraneo sui Cambiamenti Climatici (CMCC), Italy, Politecnico di Milano, Italy)

  • Jan Witajewski-Baltvilks

    (Fondazione Eni Enrico Mattei (FEEM) and Centro Euromediterraneo sui Cambiamenti Climatici (CMCC), Italy, Institute for Structural Research, Poland)

  • Petr Havlik

    (International Institute for Applied Systems Analysis (IIASA), Austria)

Abstract

This paper describes the WITCH - World Induced Technical Change Hybrid - model in its structure, calibration, and the implementation of the SSP/RCP scenario implementation. The WITCH model is a regionally disaggregated hard-linked model based on a Ramsey type optimal growth model and a detailed bottom-up energy sector model. A particular focus of the model is the modeling or technical change and RnD investments and the analysis of cooperative and non-cooperative climate policies. Moreover, the WITCH 2016 version now includes land-use change modeling based on the GLOBIOM model, and air pollutants, as well as detailed modeling of the transport sector and the possibility for stochastic modeling. This version has been also used to implement the Shared Socioeconomic Pathways (SSPs) set of scenarios and RCP based climate policies to provide a new set of climate scenarios. In this paper, we describe in detail the mathematical formulation of the WITCH model, the solution method and calibration, as well as the implementation of the five SSP scenarios. This report therefore provides detailed information for interested users of the model, and for understanding the implementation of the different “worlds" of the SSP.

Suggested Citation

  • Johannes Emmerling & Laurent Drouet & Lara Aleluia Reis & Michela Bevione & Loic Berger & Valentina Bosetti & Samuel Carrara & Enrica De Cian & Gauthier De Maere D'Aertrycke & Tom Longden & Maurizio M, 2016. "The WITCH 2016 Model - Documentation and Implementation of the Shared Socioeconomic Pathways," Working Papers 2016.42, Fondazione Eni Enrico Mattei.
  • Handle: RePEc:fem:femwpa:2016.42
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    References listed on IDEAS

    as
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    1. repec:wsi:ccexxx:v:09:y:2018:i:03:n:s2010007818500070 is not listed on IDEAS
    2. repec:eee:eneeco:v:64:y:2017:i:c:p:612-626 is not listed on IDEAS
    3. Lamperti, F. & Dosi, G. & Napoletano, M. & Roventini, A. & Sapio, A., 2018. "Faraway, So Close: Coupled Climate and Economic Dynamics in an Agent-based Integrated Assessment Model," Ecological Economics, Elsevier, vol. 150(C), pages 315-339.
    4. Pietzcker, Robert C. & Ueckerdt, Falko & Carrara, Samuel & de Boer, Harmen Sytze & Després, Jacques & Fujimori, Shinichiro & Johnson, Nils & Kitous, Alban & Scholz, Yvonne & Sullivan, Patrick & Ludere, 2017. "System integration of wind and solar power in integrated assessment models: A cross-model evaluation of new approaches," Energy Economics, Elsevier, vol. 64(C), pages 583-599.
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    6. Adriano Vinca & Marianna Rottoli & Giacomo Marangoni & Massimo Tavoni, 2017. "The Role of Carbon Capture and Storage Electricity in Attaining 1.5 and 2°C," Working Papers 2017.54, Fondazione Eni Enrico Mattei.
    7. Enrica De Cian & Johannes Buhl & Samuel Carrara & Michela Bevione & Silvia Monetti & Holger Berg, 2016. "Knowledge Creation between Integrated Assessment Models and Initiative-Based Learning - An Interdisciplinary Approach," Working Papers 2016.66, Fondazione Eni Enrico Mattei.
    8. repec:eee:eneeco:v:64:y:2017:i:c:p:542-551 is not listed on IDEAS
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    11. repec:spr:climat:v:142:y:2017:i:3:d:10.1007_s10584-017-1964-6 is not listed on IDEAS
    12. I. Mouratiadou & M. Bevione & D. L. Bijl & L. Drouet & M. Hejazi & S. Mima & M. Pehl & G. Luderer, 2018. "Water demand for electricity in deep decarbonisation scenarios: a multi-model assessment," Climatic Change, Springer, vol. 147(1), pages 91-106, March.
    13. repec:gam:jsusta:v:11:y:2019:i:12:p:3341-:d:240426 is not listed on IDEAS
    14. repec:spr:nathaz:v:92:y:2018:i:2:d:10.1007_s11069-018-3297-9 is not listed on IDEAS
    15. De Cian, Enrica & Buhl, Johannes & Carrara, Samuel & Michela Bevione, Michela & Monetti, Silvia & Berg, Holger, 2016. "Knowledge Creation between Integrated Assessment Models and Initiative-Based Learning - An Interdisciplinary Approach," MITP: Mitigation, Innovation and Transformation Pathways 249784, Fondazione Eni Enrico Mattei (FEEM).

    More about this item

    Keywords

    Integrated Assessment Model; SSPs; Climate Change; Scenarios;

    JEL classification:

    • Q54 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Climate; Natural Disasters and their Management; Global Warming
    • C63 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Computational Techniques

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