However , the advent of this new form of selling encouraged a focus on the individual such that in times of scarcity , sellers raised their prices .
For example , during periods of drought or famine , individuals shared in the plight of their neighbours .
The advent of this new form of selling encouraged a focus on the individual such that in times of scarcity , sellers raised their prices .
For example , during periods of drought or famine , individuals shared in the plight of their neighbours .