1. Dependency Theory The political and economic relationships between countries and regions of the world control and limit the economic development possibilities of poorer areas. -- Economic structures make poorer countries dependent on wealthier countries. -- Little hope for economic prosperity in poorer countries.

2. Dependency Ratio by Country, 2005 A measure of the number of people under the age of 15 and over the age of 65 that depends on each working-age adult.

3. A Changing World Until 1980s there were 3 Blocs – First World-The Capitalist West-the most advanced states-democratic & capitalist – Second World-The Communist East of the Soviet Union & its Eastern European Satellites, Red China, N. Korea & Vietnam – Third World-non aligned states with mixed economies and state control-now an obsolete term

4. Three Tier Structure Core Processes that incorporate higher levels of education, higher salaries, and more technology * Generate more wealth in the world economy Semi-periphery Places where core and periphery processes are both occurring. Places that are exploited by the core but then exploit the periphery. * Serves as a buffer between core and periphery Periphery Processes that incorporate lower levels of education, lower salaries, and less technology * Generate less wealth in the world economy

6. Wealth disparity in Malaysia-a women collects her laundry at a simple wooden house in the Kampung Chendana District of Kuala Lumpur- in the background the luxurious Petronas Towers are less than a mile away.