Various embodiments of the present invention provide systems, methods, and computer-program products for determining shipping incentives. In general, various embodiments of the invention involve applying a shipping incentive for a customer receiving inbound shipments from a plurality of parties based on increased inbound shipments received from such parties. While other embodiments of the invention involve applying a shipping incentive to at least one customer based on increased shipments shipped to and/or received in a locale for a particular time period using a common carrier. In particular embodiments, the incentive may be a discount on a cost of shipping for the customer. While in other embodiments, the incentive may be something else such as a preferred shipping service for the customer.