According to the gravity model, a characteristic that tends to affect the probability of trade existing between any two countries is
A) their cultural affinity.
B) the average weight/value of their traded goods.
C) their colonial-historical ties.
D) the distance between them.
E) the number of different product varieties produced by their industries.

Question

Quizplus · Accepted Answer

The gravity model suggests that the likelihood of trade between two countries is directly proportional to their size (GDP or population) and inversely proportional to the distance between them. Therefore, Option D (distance between them) is the characteristic that tends to affect the probability of trade existing between any two countries.

According to the Gravity Model, a Characteristic That Tends to Affect