If the consumption of good by one person does not reduce the quantity available by others and nobody can be easily excluded from consumption, we are referring to a?

Supply side policies are most appropriate to cure?

A case when internal economies of scale bring about a continuously falling average cost curve that makes having more than one firm in an industry inefficient is illustrative of?

Skilled labor is relatively scarce because?

Master status refers to________?

The Gini coefficient is?