Inference of Von Thunen's Model to Continental United States
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Significant improvements in transport technology took place since Von Thunen designed his agricultural land use model. For instance with rail systems, it became much more cost effective to transport agricultural commodities over longer distances. Further, refrigeration enabled to move perishable products cost-effectively over long distances. Since most of the American agricultural landscape was established in the late 19th and early 20th century, agricultural land use was much less constrained by transport costs than its European and Asian counterparts.
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