1. Barker and O’Hare’s Model For West Africa And The Core Periphery Model
IB SL

2. Barker and O’Hare: LEDC’s
Developed industrial countries may have passed through all of Rostow’s 5 stages.
What about countries which haven’t took-off yet and are still without technology/ capital/ raw materials etc?
Barker and O’Hare suggested a 4 stage model to allow LEDC’s to “take-off”.

3. Look At Barker and O’Hare’s Model...
Using P of Geography: An Integrated Approach...
What is it about?
What are its 4 stages and how does 1 develop to another?
How is it similar to the Lewis 2 Sector Model?
How is it different?
How can it be compared to the Rostow Model and do you think Barker and O’Hare make a good theory? If so/not why?

4. Core-Periphery Model What does this model show?
How could this link with some theories of migration?
What could possibly happen to the core in the future?

5. Core-Periphery Model What does this model show?
How can it be linked to migration theories?
What could be done to reverse the situation?

6. Look at Case Study 105: USA
Highlight the changes that have occurred between s.
Give reasons for these changes.
How have these changes affected the country?
What does the future hold for the USA, why?