An economy of scale is a microeconomic term that refers to factors that drive production costs down while increasing the volume of output. Find out the difference between internal and external ...

Hence, our identities became more externally referenced as we saw ourselves fundamentally doing something in the external world rather than in the internal world. Here are some examples.

Perceptions of the external world — hearing, vision, smell, and so on — provide information that lead to behavioral changes. Perceptions of the internal world, including hunger, appetite for ...