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Rimland Theory -  A political theory that holds that control of Eurasia and Africa (the World Island) is achieved via control of the countries bordering the Soviet Union.

Heartland Theory -  The geographical pivot of history, sometimes simply as the pivot of history is a geostrategic theory.

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Models of typical cities in Europe, Africa, South Asia, Southeast Asia

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Models of typical cities in Europe, Africa, South Asia, Southeast Asia

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Esther  Boserup’s  Model  of  Agricultural  Development.

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Esther  Boserup’s  Model  of  Agricultural  Development.

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Posits that population change drives the intensity of agricultural production. Her position countered the Malthusian theory that agricultural methods determine population via limits on food supply.

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Hierarchial Diffusion: occurs when the diffusion innovation or concept spreads from a place or person of power or high susceptibility to another in a leveled pattern
Stimulus Diffusion: occurs when the innovative idea diffuses from its hearth outward, but the original idea is changed by the new adopters.
Contagious Diffusion: occurs when numerous places or people near the point of origin become adopters (or infected, in the case of a disease).
Relocation Diffusion: involves the actual movement of the original adopters from their point of origin, or hearth, to a new place

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Migration Transition Model, claims that the type of migration that occurs within a country depends on how developed it is or what type of society it is.

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Most migrants move only a short distance. There is a process of absorption, whereby people immediately surrounding a rapidly growing town move into it and the gaps they leave are filled by migrants from more distant areas, and so on until the attractive force [pull factors] is spent.

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A theory suggesting that people migrate because of "push" and/or "pull" factors.

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Bid-Rent theory that refers to how the price and demand for real estate change as the distance from the central business district (CBD) increases.

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Statistical relationship between the population sizes and population ranks of a nation's cities.

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The Central place theory states that seeks to explain the number, size and location of human settlements in a residential system.

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Combines elements of Latin American Culture and globalization by combining radial sectors and concentric zones.

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The nuclei are multiple smaller growth centers that developed around the metropolitan area. An economic model.

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The Sector Model is a modification of the concentric zone model of city development. The benefits of the application of this model include the fact it allows for an outward progression of growth.

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The Urban Realms Model shows the spatial components of a modern metropolis.

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An approach to world history and social change that suggests there is a world economic system in which some countries benefit while others are exploited.

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The Concentric Zone model is based on the idea that land values are highest in the centre of a town or city.

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The notion that resources flow from a "periphery" of poor and underdeveloped states to a "core" of wealthy states, enriching the latter at the expense of the former.

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Rostow's Modernization model postulates that economic growth occurs in five basic stages, of varying length: Traditional society, preconditions to take-off, take-off, the drive to maturity, and high mass consumption.

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This theory is based on the ‘least cost principle’ which is used to account for location of a manufacturing industry. The theory is based upon a single, isolated country with homogeneous conditions.

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The Core-Domain-Sphere Model describes a culture's focus in various locations.

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The Sustainable Development model is based upon the living Principles refer to the economy, environment, people, and cultures as sustainability“streams.” Others refer to three or four “pillars” of sustainability.

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A model of land use that showed how market processes could determine how land in different locations would be used.

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He argued that population multiples geometrically and food arithmetically; therefore, whenever the food supply increases, population will rapidly grow to eliminate the abundance.

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The Gravity model is used to estimate the amount of interaction between two cities. It is based on Newton's universal law of gravitation, which measured the attraction of two objects based off their mass and distance.

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The Epidemiological Transition Model (ETM) describes the growth rate of a population due to an increase in medicine/medicinal procedures.

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The Demographic Transition   is the transition from high birth and death rates to lower birth and death rates as a country or region develops from a pre-industrial to an industrialized economic system.