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Matthew Kahn

Professor of Economics, University of Southern California – Dornsife College of Letters, Arts and Sciences

Matthew E. Kahn is a Professor of Economics at USC. He is a research associate at the National Bureau of Economic Research and a research fellow at IZA. He also serves as a Non-Resident Scholar at the NYU Stern School of Business at the Urbanization Project and as a Non-Resident Scholar at the University of Pennsylvania Institute for Urban Research. He has taught at Columbia, the Fletcher School at Tufts University and UCLA. He has served as a Visiting Professor at Harvard and Stanford and as the Low Tuck Kwong Distinguished Visiting Professor at the National University of Singapore. He holds a Ph.D. in Economics from the University of Chicago. He is the author of Green Cities: Urban Growth and the Environment (Brookings Institution Press 2006) and the co-author (joint with Dora L. Costa) of Heroes and Cowards: The Social Face of War (Princeton University Press 2009). In September 2010, Basic Books published his book titled Climatopolis . In January 2016, he published an updated e-book titled: Fundamentals of Environmental and Urban Economics. In May 2016, Princeton University Press published his book Blue Skies over Beijing: Economic Growth and the Environment in China (joint with Siqi Zheng). His research focuses on environmental and urban economics. He is married to Dora L. Costa.

Will blazing a low-carbon path pay off for California?

Feb 15, 2017 06:37 am UTC| Insights & Views Economy

President Trump has made it clear he intends to dismantle the Obama administrations policies for reducing U.S. greenhouse gas emissions. But California Governor Jerry Brown has declared that his state which would be the...

Economy

Gold Prices Dip Amid Middle East Uncertainty and Inflation Fears

Gold prices edged lower during Asian trading on Thursday, retreating after modest gains in the previous session as investors continued monitoring escalating Middle East tensions threatening a fragile ceasefire between the...

Oil Prices Rebound as Hormuz Disruptions and Middle East Tensions Rattle Markets

Oil prices recovered Thursday following their sharpest single-day decline since April 2020, as ongoing disruptions in the Strait of Hormuz and escalating Middle East tensions renewed fears over global crude supply. By...

U.S. Futures Dip as Iran Ceasefire Faces Early Challenges

U.S. stock index futures edged slightly lower Wednesday evening as investors monitored the fragile state of a newly announced Iran-U.S. ceasefire agreement. The cautious overnight movement followed an exceptional trading...

U.S.-Iran Ceasefire: Fragile Truce Raises Hopes for Strait of Hormuz Peace Deal

A temporary ceasefire between the United States, Iran, and Israel is holding but just barely. U.S. Vice President JD Vance described the two-week truce as fragile on Wednesday, warning that Iran appeared to be...

Gold Surges Near 3-Week High as Trump-Iran Ceasefire Eases Geopolitical Tensions

Gold prices climbed sharply on Wednesday, nearing a three-week high after President Donald Trump announced a temporary ceasefire with Iran, easing geopolitical tensions that had been gripping global markets. Spot gold...

Politics

Haiti Election 2025: Voter Registration Delayed Amid Ongoing Security Crisis

Haitis Provisional Electoral Council (CEP) has officially announced the postponement of a voter registration drive that was originally set to begin on April 1. The council stated that updated registration dates would be...

Anthropic Fights Pentagon Blacklisting in Dual Federal Court Battles

A federal appeals court in Washington, D.C., has refused to halt the Pentagons national security blacklisting of AI company Anthropic, delivering a temporary win for the Trump administration. The ruling comes as another...

China vs. NASA: The New Moon Race and What's at Stake by 2030

The space race is back and this time, its a direct competition between the United States and China for dominance on the lunar surface. NASAs Artemis II mission recently made history when four astronauts flew farther into...

FCC Moves to Ban All Chinese Labs From Testing U.S. Electronics

The Federal Communications Commission is escalating its crackdown on Chinese technology by preparing to vote on a sweeping proposal that would prohibit all Chinese laboratories from testing electronic devices intended for...

Israel Strikes Lebanon Amid Iran Ceasefire, UN Condemns Mass Casualties

Just hours after a two-week ceasefire was brokered between the United States and Iran, Israel launched its most intense wave of strikes on Lebanon since the conflict with Hezbollah began last month. The scale of the...

Science

NASA Artemis II: First Crewed Moon Mission Since Apollo Takes Four Astronauts on 10-Day Lunar Journey

NASAs Artemis II mission launched Wednesday, marking humanitys return to crewed lunar exploration for the first time since the Apollo era. Carrying four astronauts aboard the Orion spacecraft, this historic 10-day mission...

NASA's Artemis II Mission: First Crewed Lunar Journey Since Apollo

NASA's Artemis II Crew Arrives in Florida for Historic Moon Mission

The four astronauts chosen for NASAs Artemis II mission have touched down at Kennedy Space Center in Florida, marking the beginning of final launch preparations for the first crewed lunar journey in over 50 years. NASA...

SpaceX Pivots Toward Moon City as Musk Reframes Long-Term Space Vision

SpaceX CEO Elon Musk has revealed a significant shift in the companys near-term space exploration strategy, announcing that SpaceX is now prioritizing the development of a self-growing city on the Moon rather than focusing...

SpaceX Prioritizes Moon Mission Before Mars as Starship Development Accelerates

Elon Musks SpaceX is shifting its near-term space exploration strategy, choosing to prioritize a return to the Moon before pursuing missions to Mars, according to a recent Wall Street Journal report citing sources familiar...

Technology

U.S. Disrupts Russian Military Hackers' Global DNS Hijacking Network

The U.S. Justice Department has successfully executed a court-authorized operation to dismantle a DNS hijacking network tied to Russian military intelligence. The network was run by GRU Military Unit 26165, a cyber unit...

Samsung Electronics Posts Eightfold Profit Surge Driven by AI Chip Demand

Samsung Electronics delivered a stunning financial turnaround in the first quarter of 2025, projecting operating profit of approximately 57.2 trillion won (roughly $38 billion) a more than eightfold increase compared to...

China's Push to Steal Taiwan's Chip Technology and Talent Raises Security Alarms

Taiwans National Security Bureau has raised serious concerns about Beijings escalating efforts to infiltrate the islands world-class semiconductor industry. According to a report submitted to Taiwanese lawmakers, China is...

Apple's Foldable iPhone Faces Engineering Setbacks, Mass Production Timeline at Risk

Apples highly anticipated foldable iPhone is running into significant engineering hurdles during its test phase, raising concerns about potential delays in both mass production and product shipments, according to a report...

Britain Courts Anthropic Amid US Defense Department Dispute

The United Kingdom is actively working to attract Anthropic, the company behind the popular Claude AI app, to expand its footprint in the country. This diplomatic push comes as Anthropic finds itself in the middle of a...