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

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”.

Look At Barker and O’Hare’s Model... Using P639-640 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?

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?

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

Look at Case Study 105: USA Highlight the changes that have occurred between 1850-1950-1990s. Give reasons for these changes. How have these changes affected the country? What does the future hold for the USA, why?