Market with a single seller. Leading to the ultimate BigCo model.

In tech markets, often assumed to be an outcome of Increasing Returns

when there are a few sellers, it's an Oligopoly

when there's a single buyer it's a Monopsony

on either side, if it's an agreement of supposedly-independent agents, it's a Cartel

== On Microsoft (yes these are old notes!) ==

Winners Losers And Microsoft ISBN:0945999844 by Stan Liebowitz and StephenMargolis (1999)

article from 1998

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