When a hidden Markov model permits the conditional likelihood of an observation given the hidden process to be zero, all particle simulations from one observation time to the next could produce zer...

We develop a filter for time series, defined at each time $t$ as the minimizer of a discounted convex combination of observed and expected losses. The filter can be estimated by simulation to an arbit...

Thousands of Kenyans made a living writing essays for overseas students. With A.I., the work has dried up, a warning for online gig work that has been a global lifeline.

Sadiq Khan has mainstreamed a public-health approach that was previously fringe

The Department of Statistics in the Faculty of Arts and Sciences (FAS) of Harvard University seeks to appoint a tenure-track professor in Statistics in the area of statistics and AI, with an expected ...

The Department of Statistics in the Faculty of Arts and Sciences (FAS) of Harvard University seeks to appoint a tenured full professor in Statistics in the area of statistics and AI. We seek outstandi...

An economic historian and political maverick, he was a sometimes polarizing public intellectual and a member of the House of Lords.

The economist on Trump’s tariffs, looming threats to the dollar — and why we’re living through a ‘great gamble’

A district court judge dismissed the Trump administration’s antisemitism lawsuit against Harvard on Thursday, concluding that the discrimination pointed to by the government was “too isolated and…

American institutions lead the way in this newly added Nature Index subject.

From training the leaders of the burgeoning nation to housing soldiers during the American Revolution, Harvard played an important role in early America.

For all the crises and doomers and existential threats that may darken graduation day, it’s good to recall that past graduation days were darkened by crises that were as bad or worse. Still, those gra...