Answer to Question 1
Answer: Many homeowners benefit from the subsidies, and they would likely mount formidable political pressure against any efforts to reduce the subsidies.
Answer to Question 2
Answer: Central place theory is the idea that each city, town, village, or hamlet serves its hinterland as the central place to do business, defined as a market area. Central places of different sizes are also related to one another. The central places with the smallest market areas offer basic goods and services, but a city with its larger hinterland that includes smaller towns and villages offers more specialized goods and services. The efficiency of Christaller's model has informed the planning of new cities in countries with unsettled lands. The land that the Dutch have claimed from the sea behind new dikes is similar to an isotropic plain. There, Dutch geographers have planned new market towns on hexagonal grids.
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