What Did the Gravity Equation Predict About Trade Within the

Multiple Choice

What did the gravity equation predict about trade within the
Borders of a nation?

A) Trade between states or regions within a nation is much more likely than trade outside the borders.
B) Trade between states or regions within a nation is much less likely to occur.
C) There was no predictive value for trade within a nation's borders.
D) Trade between states or regions within a nation is more subject to national law and regulation and therefore not as
Predictable.