In the 1990s, as lawmakers began adapting crime policies, such as 'zero-tolerance' and 'three-strikes laws', to fit public schools, the private security industry saw an opportunity for market expansion.

Market expansion also requires privatization and individualization, more and more consumers must purchase things to meet their own requirements.

The treaty was an attempt at regulating trade and market expansion between the two regions, but was ultimately unsuccessful.

This and credit market expansion brought them profit margins of around 50% from 2004 through 2009.

Speculative bubbles are characterized by rapid market expansion driven by word-of-mouth feedback loops as initial rises in asset price attract new buyers and generate further inflation.