A new study from Yale SOM’s Edward Kaplan and Scott Rodilitz, making use of data on migrants who have returned to Mexico, suggests that there are an estimated 19.6 million undocumented immigrants in the United States.

On October 20, the U.S. Justice Department filed suit against Google, accusing the company of illegally using its market power to maintain dominance of online search and advertising. We asked Yale SOM antitrust expert Fiona Scott Morton to explain why antitrust violations are bad for consumers and how the government can respond. 

Some have defended cutbacks to the United States Postal Service, weeks ahead of the election, by citing the USPS’s financial struggles. But the postal service was created to provide a public service, writes Yale SOM’s Jeffrey Sonnenfeld, not to turn a profit. 

The path of the pandemic has been shaped by inequality, with poor and minority workers experiencing greater exposure to infection and fewer health protections. Has the policy response helped ease these inequities—or made them worse?

For the last three years, Yale SOM's Rodrigo Canales has led a project studying police forces in Mexico and testing approaches to building more effective and trusted departments.

The Trump administration is reportedly planning to limit immigration for skilled workers in order to boost employment for domestic workers. Yale SOM’s Jeffrey Sonnenfeld writes that such a move would stifle innovation and even endanger Americans’ health.

We asked Cristina Rodríguez of Yale Law School, whose research interests include immigration law and policy, to explain the consequences of President Donald Trump's April 22 proclamation on immigration during the COVID-19 crisis.