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Research Interests

  • Agent-based modelling

  • Ecological and environmental economics

  • (New) Institutional economics and economics of law

Curriculum Vitae

Since 2017      Researcher at Helmholtz Centre for Environmental Research – UFZ, Department of Economics
 2014 - 2021 PhD studies on "The Value of Decentralized Private Water Service Provision in Intermittent Water Supply Systems: Coupled Hydro-Economic System Analyses of Formal and Informal Water Markets in Jordan", supervised by Prof. Dr. Erik Gawel (Department of Economics) and Prof. Dr. Karin Frank (Department of Ecological Modelling) (submitted 02/2021)
 2014 - 2017 Research at the Chair of Economics, especially Institutional Environmental Economics (Prof. Dr. Gawel), at Leipzig University and guest researcher at the UFZ Department of Economics, Project Integrated Analysis of Freshwater Resources Sustainability in Jordan
2011 - 2014 Researcher at the UFZ Department of Bioenergy for the topic of agent-based modelling of transregional land-use effects of bioenergy policy  
2010 - 2011 Research assistant at the UFZ Department of Economics and the Department of Environmental and Planning Law: Project Policy Mix
2008 - 2009

European Master in Law and Economics at the Universities of Hamburg (Exchange to the George Mason University, Arlington, VA), Ghent and Haifa

2002 - 2008 Legal Studies at the University of Mainz


Yoon, J., Klassert, C., Selby, P., Lachaut, T., Knox, S., Avisse, N., Harou, J., Tilmant, A., Klauer, B., Mustafa, D., Sigel, K., Talozi, S., Gawel, E., Meddelin-Azuara, J., Bataineh, B., Zhang, H., Gorelick, S.M. (2021). Coupled human-natural system analysis of freshwater security under climate and population change. Proceedings of the National Academy of Sciences (PNAS) 118(14): e2020431118. ISI Impact Factor: 9.412. DOI: doi.org/10.1073/pnas.2020431118.

Zozmann, H., Klassert, C., Sigel, K., Gawel, E., & Klauer, B. (2019). Commercial Tanker Water Demand in Amman, Jordan – A Spatial Simulation Model of Water Consumption Decisions under Intermittent Network Supply. Water 11(2): 254. ISI Impact Factor: 1.832.

Klassert, C., Sigel, K., Klauer, B., Gawel, E. (2018). Increasing Block Tariffs in an Arid Developing Country: A Discrete/Continuous Choice Model of Residential Water Demand in Jordan. Water 10 (3): 248. ISI Impact Factor: 1.832.

Klassert, C., Gawel, E., Sigel, K., Klauer, B. (2018). Sustainable transformation of urban water infrastructure in Amman, Jordan: Meeting residential water demand in the face of deficient public supply and alternative private water markets. In: S. Kabisch, F. Koch, E. Gawel, A. Haase, S. Knapp, K. Krellenberg, J. Nivala, A. Zehnsdorf (eds.): Urban Transformations: Sustainable urban development towards resource efficiency, quality of life and resilience. Springer: Berlin: 93-116.

Groeneveld, J., Müller, B., Buchmann, C. M., Dressler, G., Guo, C., Hase, N., Hoffmann, F., John, F., Klassert, C., Lauf, T., Liebelt, V., Nolzen, H., Pannicke, N., Schulze, J., Weise, H., Schwarz, N. (2017). Theoretical foundations of human decision-making in agent-based land use models – A review. Environ. Modell. Softw. 87: 39-48. ISI Impact Factor: 4.420.

Klassert, C., Sigel, K., Gawel, E., Klauer, B. (2015). Residential Water Consumption and Informal Tanker Water Markets in Amman, Jordan. In: T. Bruckner, E. Gawel, R. Holländer, D. Thrän, T. Weinsziehr, M. Verhoog (Hrsg.): Zehn Jahre transdisziplinäre Nachhaltigkeitsforschung an der Universität Leipzig. Festschrift anlässlich des zehnjährigen Bestehens des Instituts für Infrastruktur und Ressourcenmanagement (IIRM), Studies in Infrastructure and Resources Management, Vol. 5. Logos Verlag: Berlin: 103-108.

Klassert, C., Sigel, K., Gawel, E., Klauer, B. (2015). Modeling residential water consumption in Amman: the role of intermittency, storage, and pricing for piped and tanker water. Water 7: 3643-3670. ISI Impact Factor: 1.428.

Müller, B., Balbi, S., Buchmann, C. M., de Sousad, L., Dressler, G., Groeneveld, J., Klassert, C., Le, Q. B., Millington, J. D. A., Nolzen, H., Parker, D. C., Polhill, J. G., Schlüter, M., Schulze, J., Schwarz, N., Sun, Z., Taillandier, P., Weise, H. (2014). Standardised and transparent model descriptions for agent-based models: Current status and prospects. Environmental Modelling and Software 55: Pages 156-163.

Klassert, C., und Möckel, S. (2013). Improving the Policy Mix: The Scope for Market-Based Instruments in EU Biodiversity Policy. Environmental Policy and Governance (EPG) 23: 311-322.

Gawel, E., und Klassert, C. (2013). Besondere Ausgleichsregelung im EEG: Quo vaderis? Energiewirtschaftliche Tagesfragen (et) 63.                               

Gawel, E., und Klassert, C. (2013). Probleme der besonderen Ausgleichsregelung im EEG. Zeitschrift für Umweltrecht (ZUR) 24 (9).

Müller, B., Bohn, F., Dressler, G., Groeneveld, J., Klassert, C., Martin, R., Schlüter, M., Schulze, J., Weise, H., und Schwarz, N. (2013). Describing Human Decisions in Agent-Based Models – ODD+D an Extension of the ODD Protocol. Environmental Modelling and Software 48: 37-48.

Klassert, C., und Möckel, S. (2012). Constraints and Opportunities for the Implementation of Policy Mix Concepts in EU Nature Conservation Law. In: J. Similä, E. Primmer (Hrsg.): Legal analysis of the relationship between WTO law, European state aid and nature conservation law, and economic instruments for biodiversity protection. POLICYMIX, Oslo: POLICYMIX Report No. 7/2012.

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