Reaganomics was based on the theory trickle-down theory
For this item, all of the choices are factors that keeps the working conditions poor in the factory. However, if I am to choose one among them, I would go with letter "C. not enough qualified people". The lack of qualified people may incur a bigger lose for the company.
The true meaning is venerable
The answer is Human Development Index, Genuine Progress Indicator, and Index of Social Health.