Regulation and Competition

Meta could be forced to sell Instagram if a court rules it’s an illegal monopoly. New Stanford research into likely advertising effects suggests a split wouldn’t be good for users.

New research from SIEPR’s Juan Carlos Suárez Serrato explores what happens when U.S. multinationals shift costs from lower-tax countries back to the U.S. to reduce their taxes.

The U.S. isn’t moving fast enough to meet demand for necessities like energy and housing. A recent SIEPR Policy Forum examined how the ‘abundance’ movement aims to fix that.

New research by SIEPR Faculty Fellow Adrienne Sabety shows increased hospitalizations, staff turnover, and higher use of physical restraints.

SIEPR’s Antonio Coppola and Matteo Maggiori leverage AI to develop a way of measuring how companies are reacting to President Trump’s tariffs and other forms of economic pressure.

Ensuring a level playing field in high-tech has never been easy for antitrust regulators and enforcers. Speakers at the 2025 SIEPR Economic Summit say AI will make it harder.

The first California Economic Survey found residents were more upbeat about the economy, immigration and AI than the U.S. overall at year end. Will wildfires and Trump change that?

SIEPR senior fellows Rebecca Lester and Daniel Ho are untangling the incredibly complex corporate structures some taxpayers use to reduce their tax bills.

Top experts on trade gathered at Stanford to discuss how American protectionism is reshaping the world economy and what to expect from a Trump or Harris administration.

The pandemic exposed deep flaws in the sourcing and delivery of goods and services worldwide. SIEPR's Matthew Jackson explains what’s wrong and what needs to be done now.

When targeting viewers on TV and social media, eyeballs are not equal. SIEPR’s Matthew Gentzkow and his colleagues shed light on the competition dynamics of the advertising market.

SIEPR, the U.S. Department of Justice, and Stanford GSB co-hosted a workshop on AI to hear the views of top policymakers, industry leaders, scholars, and content creators.

Auclert, a SIEPR faculty fellow, adds macroeconomics heft to the French prime minister’s Economic Analysis Council.