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Valerie J. Karplus

Valerie J. Karplus

Valerie J. Karplus is the Class of 1943 Career Development Professor and an Assistant Professor of Global Economics and Management at the MIT Sloan School of Management. Her research focuses on resource and environmental management in firms operating in diverse national and industry contexts, with an emphasis on emerging markets and the role of policy. Karplus is an expert on China’s energy system, including technology trends, energy system governance, and the sustainability impact of business decisions. She holds a BS in biochemistry and political science from Yale University and a PhD in engineering systems from MIT.

Future of Coal Series

China Crisis Series

Oil in Global Economy Series

Climate Change Series

Has China's coal use peaked? Here's how to read the tea leaves

Apr 12, 2016 12:23 pm UTC| Insights & Views Nature

As the largest emitter of carbon dioxide in the world, how much coal China is burning is of global interest. In March, the countrys National Bureau of Statistics said the tonnage of coal has fallen for the second year...

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Economy

Copper Prices Hit Record Highs as Metals Rally Gains Momentum on Geopolitical Tensions

Copper prices surged to record levels on Thursday, extending a powerful rally across global metals markets as investors increased exposure to physical assets amid escalating geopolitical risks and ongoing supply concerns....

Indonesian Stocks Plunge as MSCI Downgrade Risk Sparks Investor Exodus

Indonesian stocks suffered a dramatic selloff on Thursday, putting the market on course for its largest two-day decline on record as fears of a potential downgrade to frontier market status rattled investors. The benchmark...

Asian Currencies Trade Flat as Dollar Retreats After Fed Decision

Asian currencies traded in a mostly flat-to-lower range on Thursday, while the U.S. dollar weakened after the Federal Reserve left interest rates unchanged and struck an optimistic tone on the U.S. economy. Currency...

Philippine Economy Slows in Late 2025, Raising Expectations of Further Rate Cuts

The Philippine economy posted weaker-than-expected growth in the final quarter of 2025, reinforcing concerns about slowing momentum and increasing speculation over further monetary policy easing by the central bank....

South Korea Industry Minister Heads to Washington Amid U.S. Tariff Hike Concerns

South Koreas Industry Minister Kim Jung-kwan is set to visit Washington on Thursday to hold high-level talks with U.S. officials following President Donald Trumps announcement of plans to raise tariffs on South Korean...

Politics

Trump and Schumer Explore Deal on New Limits for Federal Immigration Agents

U.S. President Donald Trump and Democratic Senator Chuck Schumer reportedly took steps Wednesday night toward a potential agreement to negotiate new restrictions on federal immigration agents, according to a report by the...

Federal Reserve Faces Subpoena Delay Amid Investigation Into Chair Jerome Powell

The Federal Reserve has not yet complied with grand jury subpoenas tied to an ongoing criminal investigation involving Federal Reserve Chair Jerome Powell, according to a report by CNBC citing a source familiar with the...

Trump Warns Minneapolis Mayor as Immigration Raids Continue Amid Rising Tensions

U.S. President Donald Trump on Wednesday warned Minneapolis Mayor Jacob Frey that he was playing with fire by insisting local police would not enforce federal immigration laws, even as the White House sent mixed messages...

Starmer’s China Visit Signals New Era in UK–China Economic Relations

British Prime Minister Keir Starmer is set to meet Chinese President Xi Jinping in Beijing on Thursday in a high-profile diplomatic engagement aimed at strengthening UKChina economic relations after years of strained ties....

Jerome Powell Attends Supreme Court Hearing on Trump Effort to Fire Fed Governor, Calling It Historic

Federal Reserve Chair Jerome Powell revealed on Wednesday that he personally attended last weeks Supreme Court arguments related to President Donald Trumps attempt to remove Federal Reserve Governor Lisa Cook, underscoring...

Science

NASA and SpaceX Target Crew-11 Undocking From ISS Amid Medical Concern

NASA has confirmed that the agency, in coordination with SpaceX, is targeting no earlier than 5 p.m. Eastern Time (2200 GMT) on Wednesday, January 14, for the undocking of the SpaceX Crew-11 mission from the International...

Neuralink Plans High-Volume Brain Implant Production and Fully Automated Surgery by 2026

Elon Musks brain-computer interface company Neuralink is preparing for a major expansion, announcing plans to begin high-volume production of its brain implant devices and transition to a fully automated surgical procedure...

Jared Isaacman Confirmed as NASA Administrator, Becomes 15th Leader of U.S. Space Agency

The U.S. Senate has officially confirmed billionaire private astronaut Jared Isaacman as the new NASA administrator, making him the 15th leader in the agencys history. The confirmation, which took place on Wednesday, marks...

Senate Sets December 8 Vote on Trump’s NASA Nominee Jared Isaacman

The U.S. Senate Commerce Committee announced it will vote on December 8 on President Donald Trumps renewed nomination of private astronaut and tech entrepreneur Jared Isaacman to lead NASA. Isaacman, known for his...

NASA Cuts Boeing Starliner Missions as SpaceX Pulls Ahead

NASA has significantly scaled back Boeings Starliner program after years of technical issues and delays, announcing that the next Starliner mission to the International Space Station (ISS) will fly without astronauts. The...

Technology

NVIDIA, Microsoft, and Amazon Eye Massive OpenAI Investment Amid $100B Funding Push

NVIDIA (NASDAQ: NVDA), Microsoft (NASDAQ: MSFT), and Amazon.com (NASDAQ: AMZN) are reportedly in discussions to invest as much as $60 billion combined into artificial intelligence powerhouse OpenAI, signaling a major...

Meta Stock Surges After Q4 2025 Earnings Beat and Strong Q1 2026 Revenue Outlook Despite Higher Capex

Meta Platforms Inc (NASDAQ: META) shares jumped sharply in after-hours trading after the company delivered better-than-expected Q4 2025 earnings and issued a strong revenue forecast for the first quarter of 2026, easing...

Samsung Electronics Posts Record Q4 2025 Profit as AI Chip Demand Soars

Samsung Electronics Co Ltd (KS:005930) delivered record-breaking revenue and profit in the fourth quarter of 2025, driven largely by booming demand from the artificial intelligence industry for advanced memory chips. The...

Microsoft AI Spending Surge Sparks Investor Jitters Despite Solid Azure Growth

Microsoft rattled investors after reporting record artificial intelligence spending alongside slower-than-expected cloud growth, raising concerns about when its massive AI investments will meaningfully pay off. Following...

Advantest Shares Hit Record High on Strong AI-Driven Earnings and Nvidia Demand

Advantest Corp. (TYO:6857) shares surged to a record high on Thursday after the Japanese semiconductor testing equipment maker posted strong fiscal third-quarter earnings and raised its full-year guidance, driven by robust...
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