SC

Marketplace network effects

What are Marketplace network effects?

More relevant buyers and sellers improve transaction opportunities for each other.

How Marketplace network effects work

Measure matching outcomes in the relevant local or specialist market. Total registered users can increase while the useful pool for a particular transaction remains unchanged.

How companies won with Marketplace network effects

From the win chains in Strategy Canon case studies: what the winner did, and what its rival did at the same step.

vs. Sidecar

Uber

Marketplace network effect (city density)

What it did
Pickups under five minutes in dense cities; drivers follow riders to the bigger network
Sidecar
Outside San Francisco drivers got a ride every hour or two and left
Read the Uber case study →
vs. HomeAway · 2012-24

Airbnb

Two-sided liquidity with guests arriving direct

What it did
U.S. sales level with HomeAway 2012-14, then twelvefold growth 2013-18
HomeAway
Still led U.S. resort markets (2016); per-booking fees added late (10% option Oct 2013; 5-9% traveler fee 2016) angered owners
Read the Airbnb case study →
vs. Monster · 2011–16

LinkedIn

Network effect: members keep profiles because recruiters search them; recruiters pay because members are there

What it did
Hiring Solutions $84.9M, +136% a year, against Monster's $250M at +2% (Q4 2011)
Monster
Folded BeKnown into the job board to show seekers Facebook connections (May 2012)
Read the LinkedIn case study →
vs. Barnes & Noble · 1999–2018

Amazon

Open the catalog to outside sellers

What it did
Auctions and zShops failed, then Marketplace put sellers on the same product pages: third-party share of units sold rose from 3% (1999) to 17% (2002) to 58% (2018), from more than two million sellers
Barnes & Noble
bn.com stayed a books-and-media retailer adding used and out-of-print titles
Read the Amazon case study →

Also tagged: GoodRx · Sidecar

The question to ask of a company

Does adding participants improve fill rates, match quality or time to transact in the same market? Where does that improvement flatten?

Who names it

AuthorWhat they call it / where it appears
NeumannA Taxonomy of Moats — Marketplace liquidity
Note. The diagnostic and scenario are Strategy Canon’s analytical application. Test the firm’s benefit and exclusion mechanism separately; this category alone does not establish Power.