… retail. Thanks to the ubiquity of e-commerce, usable information about products has expanded beyond simple product attributes. For example, instead of having only information about a book’s price, author and genre, an … e-commerce and machine learning bring unstructured product information into economic models, Timothy Christensen offers …

… and the Agency for Healthcare Research and Quality (AHRQ). Further information about these datasets as well as the process by which access … and the Agency for Healthcare Research and Quality (AHRQ). Further information about these datasets as well as the process by …