Artificial intelligence (AI) is transforming production across all sectors of the economy, with the potential to both complement and substitute for traditional labor inputs. Healthcare is no exception. Dozens of recent academic studies demonstrate that AI can contribute to the healthcare value...

During the 1990s, a record number of U.S. hospitals entered into some form of vertical combination with physicians. During the same period, many integrated hospital-physician arrangements broke up. Using data from California, we investigate whether such vertical activity affected hospital...