Person:
Wagner, Fabian

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Fields of Specialization
Air quality management, climate economics
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0000-0003-3429-2374
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International Institute for Applied Systems Analysis (IIASA)
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Last updated: February 21, 2024
Biography
Fabian Wagner is a senior research scholar in the Energy, Climate, and Environment Program, as well as the dean for Capacity Development and Academic Training at IIASA. He is also Editor-in-Chief of the journal Mitigation and Adaptation Strategies for Global Change (Springer Nature). Between 2014 and 2016, Wagner was the Gerhard R. Andlinger Professor for Energy and the Environment at Princeton University. Before joining IIASA in 2004, he was a researcher with the Intergovernmental Panel on Climate Change (IPCC) located at the Institute for Global Environmental Strategies (IGES) in Hayama, Japan. As a postdoc he joined the International Energy Analysis Group at the Lawrence Berkeley National Laboratory (LBNL). Wagner received both his PhD (theoretical physics) and two master's degrees (mathematics, history and philosophy of science) from Cambridge University, UK. In 1998, he won the J.T. Knight's Prize in mathematics from Cambridge University.
Citations 13 Scopus

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    Nature's Frontiers: Achieving Sustainability, Efficiency, and Prosperity with Natural Capital
    (Washington, DC: World Bank, 2023-06-27) Damania, Richard; Polasky, Stephen; Ruckelshaus, Mary; Russ, Jason; Amann, Markus; Chaplin-Kramer, Rebecca; Gerber, James; Hawthorne, Peter; Heger, Martin Philipp; Mamun, Saleh; Ruta, Giovanni; Schmitt, Rafael; Smith, Jeffrey; Vogl, Adrian; Wagner, Fabian; Zaveri, Esha
    The great expansion of economic activity since the end of World War II has caused an unprecedented rise in living standards, but it has also caused rapid changes in earth systems. Nearly all types of natural capital—the world’s stock of resources and services provided by nature—are in decline. Clean air, abundant and clean water, fertile soils, productive fisheries, dense forests, and healthy oceans are critical for healthy lives and healthy economies. Mounting pressures, however, suggest that the trend of declining natural capital may cast a long shadow into the future. "Nature’s Frontiers: Achieving Sustainability, Efficiency, and Prosperity with Natural Capital" presents a novel approach to address these foundational challenges of sustainability. A methodology combining innovative science, new data sources, and cutting-edge biophysical and economic models builds sustainable resource efficiency frontiers to assess how countries can sustainably use their natural capital more efficiently. The analysis provides recommendations on how countries can better use their natural capital to achieve their economic and environ mental goals. The report indicates that significant efficiency gaps exist in nearly every country. Closing these gaps can address many of the world’s pressing economic and environmental problems—economic productivity, health, food and water security, and climate change. Although the approach outlined in this report will entail demanding policy reforms, the costs of inaction will be far higher.
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    Optimal Climate Policy and the Future of World Economic Development
    (Published by Oxford University Press on behalf of the World Bank, 2019-02) Budolfson, Mark; Dennig, Francis; Fleurbaey, Marc; Scovronick, Noah; Siebert, Asher; Spears, Dean; Wagner, Fabian
    How much should the present generations sacrifice to reduce emissions today, in order to reduce the future harms of climate change? Within climate economics, debate on this question has been focused on so-called “ethical parameters” of social time preference and inequality aversion. We show that optimal climate policy similarly importantly depends on the future of the developing world. In particular, although global poverty is falling and the economic lives of the poor are improving worldwide, leading models of climate economics may be too optimistic about two central predictions: future population growth in poor countries, and future convergence in total factor productivity (TFP). We report results of small modifications to a standard model: under plausible scenarios for high future population growth (especially in sub-Saharan Africa) and for low future TFP convergence, we find that optimal near-term carbon taxes could be substantially larger.