Platform Markets: How Interdependent Groups Interact
A food-delivery service attracts customers but has too few couriers. Orders arrive slowly. Recruiting couriers without enough orders creates a different problem, because people willing to deliver meals can spend their time waiting for work that never comes.
A platform helps different groups interact. Its decisions about fees and rules affect participation across those groups, so examining the customer fee alone can leave much of the business model unexplained.
Online platforms help distinct, interdependent groups interact. A delivery service connects customers, restaurants and couriers. Participation on one side changes the opportunities or experience of another, so fees, access rules and service quality need to be considered together.
Follow participation across the sides
Restaurants may join a service to reach potential customers. More restaurants can then attract customers seeking a wider selection, creating feedback between groups whose reasons for participating depend partly on who else joins.
Some effects create conflict. Additional couriers may shorten customers' waits while increasing competition among couriers for a fixed number of orders, and extra advertising can fund a service while making it less pleasant to watch.
The platform chooses a combination of prices. It might discount customer fees while charging restaurants, hoping that extra orders make participation worthwhile for restaurants despite the fee and cover the costs of serving them. Whether that works depends on everyone's response.
Look beyond a single zero price
An ad-supported video service charges viewers no subscription fee. Advertisers provide revenue. The audience attracts advertisers, but excessive advertising can drive viewers away, making both sides' responses relevant when the platform chooses how much advertising to show.
Customer segments alone do not establish a platform market. A shop can sell the same coffee to students and office workers without creating an interaction between those groups that gives either group a reason to use the shop.
Rules matter alongside fees. Search rankings affect which restaurants customers discover, identity checks can build trust while adding enrollment costs, and a refund policy assigns responsibility when an order goes wrong. A pricing analysis that ignores those rules can miss important costs of participation.
Include the work of operating the service
An additional digital user may be inexpensive to serve. Delivery still requires labor and transport, and payments, support, safety and computing consume resources even when the customer-facing part of the business runs through an app.
Participants also have alternatives. A restaurant can list on several services while customers compare charges, although exclusivity provisions or difficult data transfers can make using another service costly. Check which alternatives are feasible.
To analyze the service, sketch its groups and describe how participation by one affects the others, including any effects that make another group's experience worse. Add the fees and important rules. You can then trace how a pricing or access change would affect the people on each side.
Trace a fee change
A delivery platform reduces customer fees but increases restaurant fees. Can you conclude that all participants benefit?
Check your reasoning
No. Lower customer fees may attract more orders. Restaurants must weigh those orders against the higher fee, and some may leave or change their offers. Couriers may receive more work, but the result also depends on how many couriers participate. Trace each response rather than assuming that a gain on one side benefits everyone.
Sources for further study
Read the OECD introduction to online platforms for an overview of platform business models and interactions between users. For participation feedback, continue with the lesson on network effects, growth and competition.
Watch the idea in action
A related lesson from Andreas Munzel / Marketing Analytics Academy. Read the examples above alongside the video.
Reza is an experienced Math instructor and a test-prep expert who has been tutoring students since 2008. He has helped many students raise their standardized test scores--and attend the colleges of their dreams. He works with students individually and in group settings, he tutors both live and online Math courses and the Math portion of standardized tests. He provides an individualized custom learning plan and the personalized attention that makes a difference in how students view math.
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