Song Yao, associate professor of marketing in Olin Business School, and researchers from UCLA and Northwestern studied the effects of Philadelphia’s soda tax, which took effect in January 2017.

‘Tis the season to shop, and who better to offer advice than a scientist who has studied gift-giving? With the holiday shopping season in full swing, Olin Business School marketing expert Elanor Williams offers four suggestions to keep in mind when buying gifts.

Domestic violence and illicit drug use plummeted among women who realized they could live decades longer than they’d expected because of a new HIV treatment, according to a new study involving a Washington University in St. Louis health care-innovation researcher.

Words company officials use in quarterly earnings calls with investors and analysts can be telling. An Olin Business School researcher and co-authors conducted a detailed, machine-learning study of such earnings calls.

For the third straight year, The Source has asked some first-year students at Washington University in St. Louis to capture a second of video every day as they begin their college careers. The project began Aug. 17, the day they moved in to the South 40.

The fifth annual Olin Sports Business Summit convenes Oct. 18 in Knight Hall’s Emerson Auditorium. The 2019 lineup features numerous presentations from industry executives at professional basketball, football and soccer teams.

New research from Olin Business School finds that when a video game-making firms change a game’s rewards schedule and how it limits how long gamers can play in a sitting, the firm can actually make more money — and users devote a smaller share of their time on gaming.

Three Olin Business School researchers completed a study of workplace theft among restaurant workers that details, for the first time, how such stealing is contagious — and new restaurant workers are particularly susceptible.

In a study co-authored by a Washington University in St. Louis business researcher, a survey that began with Generation X college students in 1992 and revisited when they were around age 41 finds that overall narcissism declined over time — as did the three narcissism components: vanity, leadership and entitlement.

Two Washington University in St. Louis researchers, along with a former fellow Olin Business School faculty member and Alibaba officials, flipped the pop-up business model, and possibly more. The co-authors found that inviting potential customers via text message could increase buying with both a pop-up shop retailer and similar product vendors online … for weeks and months to come.