World Business

Columbia Business School research shows that America’s political divide is shaping where consumers shop, what brands they buy, and how companies navigate identity-driven markets.

Despite its accessibility, AI isn’t reaching much of the world. A new study from Columbia Business School shows that the uneven global spread of AI isn’t just about infrastructure or talent — it’s about who entrepreneurs choose to build for.

Buffett’s departure as CEO of Berkshire Hathaway marks the end of an era. Here’s what some of the world’s top investors say about his lasting influence on business and investing.

The Columbia Business School Professor and Nobel laureate explores the true meaning of “freedom” in the age of AI. He explains how government, capitalism, and tech must evolve to protect democracy—not undermine it—and why progressive economic policies are key to ensuring innovation works for all.

In this episode of Columbia Bizcast, Professor Shang-Jin Wei explains why President Trump’s sweeping tariffs—intended to protect U.S. industries—may instead harm American households and businesses.

Insights from Columbia Business School faculty explain how the president’s “Liberation Day” tariffs are fueling market volatility, undermining global economic stability, and impacting the Fed's ability to lower interest rates.

President Trump’s tariffs are meant to protect American industries, but they are likely to drive up costs for consumers, hurt domestic firms, and disrupt global trade, argues Professor Shang-Jin Wei. The unintended consequences could ripple across the world economy.

While many countries are considering retaliatory tariffs on US-made goods, such measures are unlikely to deter US President Donald Trump. To weather his trade war, governments must forge strategic alliances and apply economic pressure without directly harming domestic industries.

Nobel laureate Joseph Stiglitz joins Dean Emeritus Glenn Hubbard for a compelling discussion on economic policy, inequality, and the future of global markets.

Predictions of the future guide investor decisions in volatile markets. Insights from CBS Professor Abby Joseph Cohen paint a challenging year for the U.S. and global economies, but opportunities abound.