Why Does the Gravity Model Work

question 17

Multiple Choice

Why does the gravity model work?

• A) Large economies became large because they were engaged in international trade.
• B) Large economies have relatively large incomes, and hence spend more on government promotion of trade and investment.
• C) Large economies have relatively larger areas, which raises the probability that a productive activity will take place within the borders of that country.
• D) Large economies tend to have large incomes and tend to spend more on imports.
• E) Large economies tend to avoid trading with small economies.

Examine the expansion of the presidential institution and its effects on presidential isolation and interaction.

Understand the purposes and functions of the Office of Management and Budget (OMB) and other key offices within the executive branch.

Analyze presidential control over foreign, war-making, and national security policies and its implications for the U.S.

Understand the evolution of the vice presidency and significant shifts in the role as policy adviser.