Person:
Chonabayashi, Shun

Environment and Natural Resources Global Practice, The World Bank
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Environmental economics, Development economics, Climate change, Sustainability
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0000-0003-2961-7234
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Environment and Natural Resources Global Practice, The World Bank
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Last updated: January 31, 2023
Biography
Shun Chonabayashi joined the World Bank through the Young Professionals Program in 2015 and is currently an Environmental Economist in the Environment and Natural Resources Global Practice. Previously, he led a household climate resilience study for Sub-Saharan Africa in Climate Analytics and Advisory Services team and was a team member of the flagship report “South Asia’s hotspots: impacts of temperature and precipitation changes on living standards”. He also worked as a consultant for the UN/World Bank project "Economics of Disaster Risk Reduction" in 2009-2010 as well as the World Bank report "Low Carbon, High Growth: Latin American Responses to Climate Change" in 2008. Shun received a B.A. in economics from Soka University in Japan and M.A. in international and development economics from Yale University and is currently a Ph.D. candidate in natural resources with applied economics concentration at Cornell University. He has published papers in journals such as Nature Climate Change, Energy Economics, and Journal of Regional Science.

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2020 - 202512000 - 20193
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Now showing 1 - 4 of 4
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    The Economic Case for Nature: A Global Earth-Economy Model to Assess Development Policy Pathways
    (World Bank, Washington, DC, 2021-06-29) Johnson, Justin Andrew; Baldos, Uris; Cervigni, Raffaello; Chonabayashi, Shun; Corong, Erwin; Gavryliuk, Olga; Hertel, Thomas; Nootenboom, Christopher; Gerber, James; Ruta, Giovanni; Polasky, Stephen
    The Economic Case for Nature is part of a series of papers by the World Bank that lays out the economic rationale for investing in nature and recognizes how economies rely on nature for services that are largely underpriced. This report presents a first-of-its-kind global integrated ecosystem-economy modelling exercise to assess economic policy responses to the global biodiversity crisis. Modeling the interaction between nature’s services and the global economy to 2030, the report points to a range and combination of policy scenarios available to reduce the impact of nature’s loss on economies. This modeling framework represents an important steppingstone towards ‘nature-smart’ decision-making, as it seeks to support policymakers who face complex tradeoffs involving the management of natural capital, and hence achieving growth that is resilient and inclusive.
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    South Asia's Hotspots: Impacts of Temperature and Precipitation Changes on Living Standards
    (Washington, DC: World Bank, 2018-06-28) Mani, Muthukumara; Bandyopadhyay, Sushenjit; Chonabayashi, Shun; Markandya, Anil; Mosier, Thomas
    South Asia is highly vulnerable to climate change. Average temperatures have been rising throughout the region, and rainfall has become more erratic. These changes are projected to continue accruing over the coming decades. South Asia’s Hotspots: The Impact of Temperature and Precipitation Changes on Living Standards is the first book of its kind to provide granular spatial analysis of the long-term impacts of changes in average temperature and precipitation on one of the world’s poorest regions. South Asia’s Hotspots finds that higher temperatures and shifting precipitation patterns will reduce living standards in communities across South Asia—locations that the book terms “hotspots.” More than 800 million people in South Asia currently live in communities that are projected to become hotspots under a carbon-intensive climate scenario. Global action to reduce greenhouse gas emissions will reduce the severity of hotspots. Diverse and robust development is the best overall prescription to help people in hotspots. The book also suggests actions tailored to each country in the region—such as increasing employment in nonagricultural sectors, improving educational attainment, and expanding access to electricity— that would offset the declines in living standards associated with hotspots. South Asia’s Hotspots complements previous studies detailing the impacts of sea-level rise and extreme events on the people of South Asia. Together, these bodies of work create a sound analytical basis for investing in targeted policies and actions to build climate resilience throughout the region.
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    The Impact of Climate Change on Hurricane Damages in the United States
    (2011-02-01) Mendelsohn, Robert; Emanuel, Kerry; Chonabayashi, Shun
    This paper quantifies hurricane damage caused by climate change across the US. A damage function is estimated from historic hurricane data to measure the impacts at each location given the storm's strength. The minimum barometric pressure of each storm turns out to be a better indicator of damages than the traditional measure of maximum wind speed. A hurricane generator in the Atlantic Ocean is then used to create 5000 storms with and without climate change. Combining the location and intensity of each storm with the income and population projected for each location, it is possible to estimate a detailed picture of how hurricanes will impact each state with and without climate change. Income and population growth alone increase expected baseline damage from $9 to $27 billion per year by 2100. Climate change is expected to increase damage by another $40 billion. Over 85 percent of these impacts are in Florida and the Gulf states. The 10 percent most damaging storms cause 93 percent of expected damage.
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    The Impact of Climate Change on Global Tropical Storm Damages
    (2011-02-01) Mendelsohn, Robert; Emanuel, Kerry; Chonabayashi, Shun
    This paper constructs an integrated assessment model of tropical cyclones in order to quantify the impact that climate change may have on tropical cyclone damages in countries around the world. The paper relies on a tropical cyclone generator in each ocean and several climate models to predict tropical cyclones with and without climate change. A damage model is constructed to compute the resulting damage when a cyclone strikes each country. Economic development is expected to double global tropical cyclone damages because more will be in harm's way. Climate change is expected to double global damage again, causing an additional $54 billion of damage per year. The damage is projected to be concentrated in North America and eastern Asia but many Caribbean islands will suffer the highest damages per unit of GDP. Most of the increased damage will be caused by rare but very powerful storms.