Michael Potter argued that ____ led to firms earning economic profit over extended periods of time

Fill in this table. Assume that fixed cost is $100.

Traditionally, economists have considered culture, customs, and religion as

A) very important influences on the choices consumers make. B) subject to normative economic analysis rather than positive economic analysis. C) relatively unimportant factors in explaining the choices consumers make. D) important influences in explaining consumer choices in command economies but less important in market economies.