Modern,highly productive economies

A) have virtually no specialization.
B) have a small degree of specialization.
C) have a substantial degree of specialization.
D) have a high degree of specialization.

Highly productive economies have a high degree of specialization because it allows for efficiency, economies of scale, and increased productivity. Specialization enables individuals and firms to focus on their comparative advantages, leading to increased output and profits, and also facilitates trade and exchange between specialized producers.