January 19, Alireza Golmohammadi
Date: 19 January 2026, Monday Time: 10.30 – 11.30 Place: MA-330 " Digital Solutions to the Obesity Crisis: Evaluating the Impact of Online Grocery Delivery Services " by Alireza Golmohammadi Belk College of Business Abstract Despite extensive efforts in developed nations to combat obesity, rates continue to rise, particularly in the U.S., with low-income populations being disproportionately affected. This study examines the potential of third-party online grocery delivery services (OGDS) to mitigate obesity. Utilizing a staggered difference-in-differences approach, we analyze the impact of OGDS’s entry on obesity rates. Our findings reveal that OGDS entry is associated with a significant reduction in obesity rates, averaging -.64%, which translates to an annual medical cost saving of $2.91 billion. However, the positive impact of OGDS entry is less pronounced in low-income areas, indicating…
