| Term | Definition |
| core-periphery model | A model that describes how economic, political, and/or cultural power is spatially distributed between dominant core regions, and more marginal or dependent semi-peripheral and peripheral regions. |
| core region | The centers of economic, political, and/or cultural power within a given territorial entity. |
| dependency theory | A structuralist model that offers a critique of the modernization model of development. |
| developed country | Places with high levels of ubanization. |
| developing country | A country that is becoming more developed. |
| development | The economic, social, and institutional evolution of national states. |
| gross national product (GNP) | The total value of all goods and services produced by a country's economy in a given year. |
| liberal model | A general term for economic development models which assume that (1) all countries are capable of developing economically in the same way and (2) economic disparities between countries and regions are the result of short-term inefficiencies in local or regional market forces. |
| modernization model | A model of economic development most closely associated with the work of economist Walter Rostow. It maintains that all countries go through five interrelated stages of development, which culminate in an economic state of |
| neo-colonialism | The entrenchment of the colonial order, such as trade and investment, under a new guise. |
| peripheral region | The least powerful regions and therefore are often marginalized or under the control of both semi-peripheral regions and core regions. |
| semi-peripheral region | The intermedency regions in terms of the hierarchy of power between core regions and peripheral regions. |
| structuralist model | A general term for models of economic development that treat economic disparities among countries or regions as the result of historically derived power relations within the global economic system. |
| underdeveloped country | Countries that suffer seriously from negative economic and social conditions. |
| underdevelopment | A coutry that is becoming less developed. |
| World Systems Theory | A theory that treats the global economy as a large system. |