1. Unit 2 Lesson 09

2. Student Will… • Be able to discuss Ravenstein’s laws of migration • Be able to discuss the gravity model • Be able to discuss push & pull factors of migraiton

3. Language Check • Emigrate: Leaving your country for good for another. • Immigrate: Coming to a country. • I shall emigrate from Egypt to immigrate to Iceland. • (I left Egypt and am going to Iceland).

4. Gravity model • Gravity Model: states that spatial interaction is directly related to the populations and inversely related to the distance between them. • Works like gravity: • Things are going to be drawn to the thing with a larger mass. • Distance between the two objects are going to influence their pull • Cities are the “thing” and their “mass” is the population • People are drawn to larger cities , but distance may erode that pull • Will come up again…

5. Ravenstein’s Laws of Migration • 1) Every migration flow generates a return or counter-migration. • 2) The majority of migrants move a short distance • 3) Migrants who move longer distances tend to chose big-city destinations • 4) Urban residents are less migratory than inhabitants of rural areas • 5) Families are less likely to make international moves than young adults.

6. Pull Factors Push Factors • Push-Pull Model: Everett Lee 1966 • The “why” of people voluntarily migrating/Ravenstein is telling you “where” • Not always perfect, intervening obstacles • Costs • Border crossing difficulties • Visas • Leaving family behind