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| 13983369408 | Burgess Concentric Zone Model Description | first published in 1923. The model represents the Anglo-American cities of the US and Canada. | 0 | |
| 13983384749 | Burgess Concentric Zone Model |  | 1 | |
| 13983429426 | Harris-Ullman Multiple Nuclei Model |  | 2 | |
| 13983437825 | Christaller's Central Place Theory Description | Developed in the 1930s, this model explains and predicts patterns of urban places across the map. This model analyzed the hexagonal, hierarchical pattern of cities, villages, towns, and hamlets arranged according to their varying degrees of centrality, determined by the central place functions existing in urban places and the hinterlands they serve. Assumptions: - Flat plane with uniform geography and nature - Uniform population - single mode of transportation - evolution towards the growth of cities - all persons have a similar income - all persons have similar consumption patterns | 3 | |
| 13983443331 | Wallerstein's World Systems Theory | sees the world economy as a flexible core, periphery and semi-periphary | 4 | |
| 13983447474 | Mackinder's Heartland Theory | Who rules East Europe commands the heartland and eventually the world | 5 | |
| 13983451813 | Ravenstein's Laws of Migration | 1. Most migration is over a short distance. 2. Migration occurs in steps. 3. Long-range migrants usually move to urban areas. 4. Each migration produces a movement in the opposite direction (although not necessarily of the same volume). 5. Rural dwellers are more migratory than urban dwellers. 6. Within their own country females are more migratory than males, but males are more migratory over long distances. 7. Most migrants are adults. 8. Large towns grow more by migration than by natural increase. 9. Migration increases with economic development. 2. Migration is mostly due to economic causes. | 6 | |
| 13983451814 | Ratzel's Organic Theory | A country, behaves like an organism-to survive, a state requires nourishment, or territory, to gain political power. | 7 | |
| 13983459663 | Rostow's Stages of Development | Traditional; Pre conditions for take off; take off to self-sustained growth; the drive to maturity; age of mass-consumption. | 8 | |
| 13983463247 | Weber's Law | the principle that, to be perceived as different, two stimuli must differ by a constant minimum percentage (rather than a constant amount) | 9 | |
| 13983481889 | Boserup | human growth stimulates agricultural intensification (Malthus upside-down) | 10 | |
| 13983493598 | Hotelling | developed a Locational Interdependence theory that suggests competitors, in trying to maximize sales, will seek to constrain each other's territory as much as possible which will therefore lead them to locate adjacent to one another in the middle of their collective customer base. | 11 | |
| 13985359592 | Homer Hoyt's Sector Model Description | This theory of urban structure was first proposed in 1939 by a theorist. This applies to the United States and Canada. In the model, the concepts of the industrial corridor and neighborhood are combined for practical purposes. More realistic than the concentric model. Also used to depict ethnic variation. | 12 | |
| 13985419780 | Homer Hoyt's Sector Model |  | 13 | |
| 13985442723 | Harris-Ullman Multiple Nuclei Model Description | This represents another evolutionary step in the conceptualization of the Anglo-American city. First recognized suburban business districts forming on the periphery. | 14 | |
| 13985623563 | Christaller's Central Place Theory Model |  | 15 | |
| 13983531060 | Borlaug | Father of the Green Revolution | 16 | |
| 13983531061 | Borchert's epochs | Four different epochs that cause a large amount of industrial development, they were Sail-Wagon Epoch (1790-1830), Iron Horse Epoch (1830-1870), characterized by impact of steam engine technology, and development of steamboats and regional railroad networks. Steel Rail Epoch (1870-1920), dominated by the development of long haul railroads and a national railroad network. Auto-Air-Amenity Epoch (1920- | 17 |
