National & Global Affairs

Gerard Torrats-Espinosa had an unlikely path to his current role researching crime and policing in U.S. cities.

 A Columbia Business School professor explains this approach and why it may not always have the desired impact.

Gelman, a statistics and political science professor, has many irons in the fire, including The Economist's election tracker.

Dean Abebe shares his vision for the Law School, path to Morningside Heights, and enthusiasm for his new role.

Mohamed Hussein finds that political advertisers are spending big bucks on so-called meddle ads—but consumers aren't always buying it.

Mitts and her team were awarded a grant from the Department of Defense to study the evolution of foreign state information operations.

Here’s what you need to know about the Nov. 5 General Election.

Columbia’s core curriculum led rising senior Aman Choudhri to his new life as a “policy wonk.” He also likes to dance.

Business School Professor Jorge Guzman discusses his research with Sociology Professor Mario Small and PhD candidate Jinkyong Choi that examines the critical role regional innovation plays in entrepreneurial growth. 

A new study from Columbia Business School found that most political debates occur not with strangers on social media but rather among family and friends. Moreover, participants often felt positive after such face-to-face discussions.

New Columbia Business School research examines how governments and NGOs can use social media to reduce malaria transmission.

Chan, the editor in chief of the Texas Tribune, will join the CJR, effective September 16, 2024.