D.the sum effect of one's actions during life
Answer:
D. The Ricardian model assumes labor is perfectly mobile
Explanation:
This model assumes that labor is perfectly mobile, tech is constant, and markets are perfectly competitive. It was developed by David Ricardo in his classical theory of comparative advantage which explains why countries engage in international trade even though their production may be more efficient than its trade partners. The comparative advantage of countries were explained and based on these assumptions.
A major change is that everyone was now connected. it made it easier to communicate between the two halves of the country and commute from pace to place.
Answer:
People's Republic of China. The official name for mainland China, which has a communist government. People's republic basically translates that the country is for the people hence they follow a communist regime.
Explanation: