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Gravity Model of Migration Quiz

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Questions and Answers

What does the gravity model of migration indicate about the relationship between migration volume and distance?

Migration volume is directly proportional to the square of the distance between centers.

Migration volume is directly proportional to the product of the population sizes and inversely proportional to the distance squared. (correct)

Migration volume is inversely proportional to the population sizes of the interacting centers.

Migration volume is independent of both distance and population sizes.

Which of the following concepts was developed using the gravity model of migration's basic principles?

Lee's Theory of Migration

Theory of urban primacy

Distance decay theory

Population potential (correct)

In the formula $M_{ij} = \frac{P_i P_j}{d_{ij}^2} \times K$, what does $K$ represent?

Distance multiplier

Factor representing socio-economic conditions

Population growth rate

Constant that adjusts the volume of migration (correct)

Who proposed the initial gravity model of migration in 1928?

W.J. Reilley Signup and view all the answers

According to the core theory of the gravity model, what factors affect migration volume between two centers?

Population sizes and distance separating the centers Signup and view all the answers

What does it mean when migration is described as selective in nature?

Different individuals respond uniquely to factors influencing migration. Signup and view all the answers

What is implied by the existence of a counter-stream for every major migration stream?

There is an equal number of individuals migrating to and from the same place. Signup and view all the answers

How does the efficiency of a migration stream relate to intervening obstacles?

Greater intervening obstacles lead to higher efficiency in migration streams. Signup and view all the answers

What does it suggest when migration has a bimodal selection tendency?

There are two dominant types of individuals involved in migration. Signup and view all the answers

What conclusion can be drawn when both places of origin and destination are the same regarding migration efficiency?

Low efficiency arises because no significant change occurs in migrating. Signup and view all the answers