Does generative artificial intelligence (AI) reinforce or reduce productivity differences across workers? Existing evidence largely studies AI within firms and occupations, where organizational ...

Randomized experiments have long been a cornerstone of scientific research. And many tech companies run randomized tests to learn from the huge amounts of data their customers generate. In 2019, ...

The number-one job of a marketer is to invest budget wisely to drive sales. That inherently requires accurately measuring the performance of that spending. Yet most advertisers still rely on flawed ...