An e-commerce revenue model where the seller has control over pricing but doesn't keep products in stock and instead transfers customer orders and shipment details to a third-party supplier, who then ships the goods directly to the customer, is called:
Correct answer: A
Explanation
Dropshipping is the e-commerce model where the seller lists and prices products without holding inventory; orders are forwarded to a third-party supplier who ships directly to the customer. Affiliate revenue earns commissions for referrals, transaction-fee models charge per transaction (e.g., marketplaces), and agency models earn fees for matching buyers and sellers. The defining feature here — control over pricing plus no stock plus third-party fulfilment — is the textbook definition of dropshipping.