Matthew Kahn

{{Short description|American environmental economist (born 1966)}} {{Infobox academic|titles=|discipline=Environmental economics|workplaces=Johns Hopkins University USC |academic_advisors=Gary Becker Sherwin Rosen Robert Willis|name=Matthew E. Kahn|spouse=Dora L. Costa|alma_mater=Scarsdale High School (1984) London School of Economics (G.C., 1987) Hamilton College (B.A., 1988) University of Chicago (Ph.D., 1993)|birth_date=1966|title=Bloomberg Distinguished Professor of Economics and Business Director of the 21st Century Cities Initiative|main_interests=Environmental economics, urban economics, real estate economics, and energy economics}}

'''Matthew E. Kahn''' (born 1966) is a leading American educator in the field of environmental economics. He is the Provost Professor of Economics at the University of Southern California. Between 2019 and 2021, he served on the faculty of Johns Hopkins University as a Bloomberg Distinguished Professor of Economics and Business, with appointments at both Carey Business School and Zanvyl Krieger School of Arts and Sciences.

== Biography == Kahn grew up in New York City<ref name=":0">{{cite web|title=Matthew Kahn Latest Bloomberg Distinguished Professor Named to Carey|url=https://carey.jhu.edu/news-and-views/matthew-kahn-latest-bloomberg-distinguished-professor-named-to-carey}}</ref> and graduated from Scarsdale High School in Scarsdale, New York, in 1984.<ref>{{Cite web|title=Distinguished Alumni|url=http://www.scarsdalealumni.org/da|website=Scarsdale Alumni Association|access-date=2020-05-05}}</ref> He then attended Hamilton College, where he obtained his B.A. in economics in 1988. During this time, he also obtained his G.C. in economic history from the London School of Economics. He earned his Ph.D. in economics at the University of Chicago in 1993. Kahn began his academic career as an assistant professor of economics and international affairs at Columbia University, and was promoted to associate professor in 1999. He moved to Tufts University as an associate professor of economics in 2000. Kahn joined the University of California, Los Angeles in 2006 as a professor. His primary appointment was at the Institute of the Environment and Sustainability. He also had courtesy appointments in the Department of Economics, the Department of Public Policy, the Anderson School of Management, and the law school. Kahn joined the University of Southern California (USC) as a professor of economics in 2015, and became chair of the department in 2017. In July 2019, he joined Johns Hopkins University as a Bloomberg Distinguished Professor of Economics and Business. Kahn has also taught as a visiting professor at Harvard University, Stanford University, and the National University of Singapore.<ref name=":0" /><ref>{{Cite web|title=Matthew E. Kahn Vita|url=https://docs.google.com/document/d/1WNu8Yd1sPUr6P4CdZovae7wh26bVLhTBq9uIawNURpA/edit?usp=embed_facebook|website=Google Docs|language=en|access-date=2020-05-05}}</ref> In addition to his academic appointments, Kahn is a research associate at the National Bureau of Economic Research and has been a research fellow at IZA since 2013.<ref>{{Cite web|title=Matthew E. Kahn {{!}} IZA - Institute of Labor Economics|url=https://www.iza.org/people/fellows/8962/matthew-e-kahn|website=www.iza.org|access-date=2020-05-05}}</ref> He is also an associate editor of the ''Journal of Urban Economics'' and ''PLOS One''.<ref name=":0" />

He is married to Dora L. Costa. Professor Costa is an economic historian and demographer who teaches at UCLA. Kahn and Costa have collaborated on numerous papers. Their first publication together was a paper on the increasing number of highly educated young “power couples” moving to large cities.<ref>{{Cite news|title=Power Couples Thrive in Large Cities—With One Exception|url=https://www.citylab.com/life/2018/11/rise-urban-power-couple/571807/|last=Florida|first=Richard|newspaper=Bloomberg.com|date=November 2018|language=en|access-date=2020-05-05}}</ref> The two co-authored a book, ''Heroes and Cowards: The Social Face of War''.<ref name=":0" />

== Research == Kahn's research focuses on environmental, urban, real estate and energy economics. He investigates the causes and effects of urban economic growth<ref name=":0" /> and related issues of quality of life in cities. He has conducted and published research on public transit, sprawl, and the costs and benefits of environmental regulation in urban settings,<ref>{{Cite web|title=Speaker Bios {{!}} UCLA Anderson School of Management|url=https://www.anderson.ucla.edu/2008-wilbur-k-woo-greater-china-business-conference/speaker-bios|website=www.anderson.ucla.edu|access-date=2020-05-05}}</ref> as well as a comparison of the carbon footprints of different cities and investigation of how people living in cities are adapting to climate change.<ref name=":1" /> He is also known for his work on social capital.<ref>Economic Trends By Gene Koretz, July 23, 2001, Business Week. [https://web.archive.org/web/20010811214727/http://www.businessweek.com/magazine/content/01_30/c3742036.htm]</ref> He blogs on these topics at greeneconomics.blogspot.com. In 2009, the Wall Street Journal named him one of the top 25 economics bloggers.<ref>{{Cite news|url=https://www.wsj.com/articles/SB124768581740247061|title = Top 25 Economics Blogs| newspaper=Wall Street Journal | date=16 July 2009 }}</ref>

From 2019 to 2021, Kahn was the director of the 21st Century Cities Initiative (21CC). 21CC is Johns Hopkins University's center for research, teaching, and outreach on urban economic growth and quality of life.<ref>{{Cite web|title=About 21CC – 21st Century Cities Initiative|url=https://21cc.jhu.edu/about_21cc/|language=en-US|access-date=2020-05-05}}</ref> The initiative hosts workshops and symposiums, produces policy briefs, and fosters student research opportunities. The initiative collects and analyses data to evaluate the effectiveness of policies on the local, state, and federal level.<ref name=":0" />

Kahn has published many papers and has authored nine books, including ''Green Cities: Urban Growth and the Environment'' (Brookings Institution Press, 2006) and (with Dora L. Costa) ''Heroes and Cowards: The Social Face of War'', which was published late in 2008 by Princeton University Press.<ref>[http://www.anderson.ucla.edu/x18946.xml UCLA Anderson School of Management | Wilbur K. Woo Greater China Business Conference | Speaker Bios]</ref> In 2010, Basic Books published his book on climate change adaptation and cities, ''Climatopolis: How Our Cities Will Thrive in the Hotter World''. In July 2013, he published environmental textbook, ''Fundamentals of Environmental and Urban Economics''.<ref>[https://www.amazon.com/dp/B00E1U992U Amazon link]</ref> In May 2016, Princeton University Press published his book, ''Blue Skies over Beijing: Economic Growth and the Environment in China''. This book is co-authored with Professor Siqi Zheng of MIT. In February 2021, Johns Hopkins University Press will publish his co-authored book; Unlocking the Potential of Post Industrial Cities. In March 2021, Yale University Press will publish his book "Adapting to Climate Change"; Selected by Publishers Weekly as one of its Top Ten books in Business and Economics for Spring 2021

==Selected publications== Kahn has more than 21,500 citations in Google Scholar and an h-index of 71.<ref>{{Cite web|title=Matthew E. Kahn|url=https://scholar.google.com/citations?user=lfkXE9kAAAAJ&hl=en|access-date=2021-05-19|website=scholar.google.com}}</ref>

* [https://scholar.google.com/citations?user=lfkXE9kAAAAJ&hl=en Google Scholar citations]

=== Books === *''Green Cities: Urban Growth and the Environment'', Brookings Institution Press, 2006. * ''Heroes and Cowards: The Social Face of War'', with Dora L. Costa, Princeton University Press, 2008. * ''Climatopolis'',<ref name=":1">{{Cite web|url=http://www.voxeu.org/article/climatopolis-how-will-climate-change-impact-urbanites-and-their-cities|title=Climatopolis: How will climate change impact urbanites and their cities?|date=11 September 2010}}</ref> Basic Books, 2010. * ''Fundamentals of Environmental and Urban Economics'', Amazon Books, 2020. * ''Blue Skies Over Beijing: Economic Growth and the Environment in China'',<ref>{{Cite book|url=http://press.princeton.edu/titles/10701.html|isbn = 9780691169361|title = Blue Skies over Beijing|date = 17 May 2016|last1 = Kahn|first1 = Matthew E.|last2 = Zheng|first2 = Siqi| publisher=Princeton University Press }}</ref> with Siqi Zheng, Princeton University Press, 2016. *''Adapting to Climate Change'',<ref>{{Cite web|url=https://yalebooks.yale.edu/book/9780300246711/adapting-climate-change|title = Adapting to Climate Change | Yale University Press}}</ref> Yale University Press, 2021. *''Price Theory Problems'', Amazon Books, 2020. *''Unlocking the Potential of Post Industrial Cities (joint with Mac McComas)'',<ref>{{Cite book|url=https://jhupbooks.press.jhu.edu/title/unlocking-potential-post-industrial-cities|title=Unlocking the Potential of Post-Industrial Cities | Johns Hopkins University Press Books|date=2021 |doi=10.1353/book.81052 |last1=Kahn |first1=Matthew |isbn=9781421440828 |s2cid=241371808 }}</ref> Johns Hopkins Press, 2021.

=== Selected articles ===

* 2005, ''The death toll from natural disasters: the role of income, geography, and institutions'', in: ''Review of Economics and Statistics''. Vol. 87, nº 2; 271–284. * 2004 with EL Glaeser, ''Sprawl and urban growth'', in: ''Handbook of Regional and Urban Economics''. Vol. 4; 2481–2527. * 2008 with EL Glaeser, J Rappaport, ''Why do the poor live in cities? The role of public transportation'', in: ''Journal of Urban Economics''. Vol. 63, nº 1; 1-24. * 2010 with EL Glaeser, ''The greenness of cities: Carbon dioxide emissions and urban development'', in: ''Journal of Urban Economics''. Vol. 67, nº 3; 404–418.

== References == {{reflist}}

==External links== *{{C-SPAN|622116}}

{{DEFAULTSORT:Kahn, Matthew}} Category:1966 births Category:Living people Category:University of Chicago alumni Category:Harvard University faculty Category:Stanford University faculty Category:Tufts University faculty Category:Environmental economists Category:UCLA Anderson School of Management faculty Category:University of Southern California faculty Category:People from Scarsdale, New York Category:Scarsdale High School alumni