When a firm's demand curve is tangent to its average total cost curve, the

a. firm's economic profit is zero.
b. firm must be earning economic profits.
c. firm must be incurring economic losses.
d. firm must be operating at its efficient scale.

What is the impact of economic concepts in the U.S. Constitution on contemporary economic issues and policies? Use specific examples from the chapter to support your conclusions.

Identify Economic Contributions of Women

Identify the economic contributions of women to American society. Write a paragraph identifying the economic roles women played in colonial society. Identify the contributions of planters' wives, farmers' wives, backcountry wives, women in cities, and women in trades.