The Short-Lived Loyalty of Subscription Free Shipping ProgramsUsing real-world data from a UK apparel retailer, the study finds that while subscriptions initially boost spending and order frequency, these effects fade over time.12/02/2025Three cardboard boxes stacked on a doorstep, representing the growth and challenges of subscription-based free shipping programs in e-commerce.Ashutosh BhaveE-commerceFree ShippingSubscription Programsbasket sizebehavioral effects of shipping programsconsumer behaviorcustomer retentiondesigning tiered shipping subscriptionshow subscription free shipping impacts profitabilitylow-priced itemsmanaging small-basket economicsmarketingprofitabilityrenewal ratesresearchretail strategysunk-cost effect