The u. s. is a nation that constantly tries to expand their capitalist market, decrease costs, and increase profits. as such, wallerstein's world system theory would suggest that the u. s. is a part of the:

wallerstein's world system theory would suggest that the US is part of a "core state" market. Tje core countries promarily try to promote a high-skill monetarily geared type of production. The core market that the US is primarily composed of is aimed toward internal economic activity and hardly geared towards the national economic market at all. The US being a part of a successful "core" market allows us to have a highly diversified personal economic standing, and allows us to promote development and large industrialization.

Answerless than average total cost, regardless of whether marginal cost is rising or falling;