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By Jason Wyatt, Managing Director Marketplacer
The term ‘network effects’ is commonly used to describe the phenomenon of scale achieved when enough people have joined a network to make it beneficial for others to also join.
Put simply: the greater the number of people who join the network, the greater the benefits accrued across the network. The benefit to the network or platform is that when enough people have joined, it has a better chance of becoming the preferred or dominant network, putting it in a highly defensible market position. It’s an important concept to understand in regard to the online marketplace model.
The classic and one of the earliest examples of network effects as a concept is the growth of telephone networks.
Having one phone is almost entirely useless as there is no one else to call or receive calls from. There needs to be two users with phones for any of the users to benefit from owning a phone.
This is how networks grow. When more people buy phones and join the phone exchange, a network is developed, and owning a phone and being part of the network accrues more benefit to users.
The same principle can be seen in something like social media networks. If more of your friends are on one network (e.g. Snapchat) than another (Google +) you are more inclined to join the network most of your friends are on, making that network more useful for you and your friends.
This idea is often referred to as a ‘direct network effect’ or even as a ‘positive direct network externality’ – ‘positive’ refers to the benefit being accrued to users by the spread of the network, and ‘externality’ refers to the impact one user is having on another.
But that’s not the whole story when it comes to network effects, especially when we’re talking about multi-sided platforms like an online marketplace.
Along with direct network effects, there is also something called indirect network effects.
To quote from David S. Evans and Richard Schmalensee’s comprehensive work on platform models, Matchmakers: The New Economics of Multisided Platforms: “A network effect is indirect when the value of a matchmaker to one group of customers depends on how many members of a different group participate.” (Emphasis in the original.)
This is especially relevant to online marketplaces. In simple platform models, like the example of the phone network, there’s essentially one type of user, who might make and receive calls. This model starts to change once the network is differentiated to include, for example, business users and residential users.
However, in an online marketplace, there are usually two (sometimes more) distinct users — vendors and buyers — and the network effects achieved for both sides are dependent on the balance and proportion of each group to the other. Too few vendors, and buyers will look elsewhere; too few buyers, and vendors will go elsewhere.
The vital thing for online marketplaces is to achieve properly proportioned and timed network effects on both buyer and seller sides of the market. This is the chicken-egg dilemma faced by many online marketplaces when they start up. It requires the architecture of the marketplace be designed in a way that attracts and incentivizes enough vendors and buyers to keep a satisfactory equilibrium as the marketplace scales.
This was one of the tricky early lessons we learnt as we built BikeExchange a decade ago. With BikeExchange the big challenge early on was to convince retailers and other sellers to come onboard, otherwise it would have been pointless to engage in marketing aimed at getting buyers to the site without retailers there already.
Getting retailers to understand the concept of the marketplace and what it could do for their business was key. Once we got a few established ‘influencer’ type retailers on BikeExchange, we were able to scale up on the buyer side because we had something we could offer as an incentive to try the marketplace out.
We now have about 350 sellers on BikeExchange and around 1 million visitors to the site per month, looking at approximately 40,000 different products.
At first, it was a slow build, but once network effects kicked in we suddenly had this massive tribe. Retailers who were not on the marketplace saw it was working for those who were on there, and subsequently joined. Customers soon told their fellow cycling tribe members about BikeExchange and word spread.
You don’t build a tribe overnight; but do the right things early in regard to network effects and you’ll have a tribe gathered at your online marketplace faster than you ever thought possible.