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In page Zoning in the United States:

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Zoning also has been implicated as a primary driving factor in the rapidly accelerating lack of affordable housing in urban areas.[1] One mechanism for this is zoning by many suburban and exurban communities for very large minimum residential lot and building sizes in order to preserve home values by limiting the total supply of housing, which thereby excludes poorer people. This shifts the market toward more expensive homes than ordinarily might be built. According to the Manhattan Institute, as much as half of the price paid for housing in some jurisdictions is directly attributable to the hidden costs of restrictive zoning regulation.