The absence of tight oversight has allowed makers of herbal products to flourish, particularly in Utah, where the dry desert air helps keep raw materials and pills and capsules fresh, and where land and skilled labor have been relatively inexpensive.

CNN: ASIANOW - TIME Asia

The complete absence of a black middle class allowed most advertisers to ignore black tastes and aspirations.

ECONOMIST: Free at last

They argued that it was the absence of unions at charter schools that allowed administrators to make quick changes to staffing and scheduling in the pursuit of innovation.

FORBES: Will Conservatory Lab Charter School Stay Unionized?