Multinational/Transnational corporations replace governments.
The rise of the transnational corporation as a replacement for 'classical' government bodies.
In the 'Sprawl' trilogy there is no real government. Instead the world is ran by a number of very powerful corporations like Hoska, Sense/Net, etc.
In Snow Crash the 'franchise system' replaces the government. In the case of Snow Crash the Federal government of the US has been broken up and sold to the highest bidder (Library of Congress, Military, Highway system). What is left is a powerless shell.