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      "text": "1 Current market cost of construction by building type 2 Target cost of construction, assuming 30% of 80% median income affordability definition 3 Land cost based on 2013–14 land transaction prices, assuming low end of price spectrum typical for affordable housing; expert adjustments included NOTE: Numbers may not sum due to rounding.",
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      "text": "SOURCE: Turner and Townsend; Gardiner and Theobald; Economist Intelligence Unit; McKinsey Global Institute Cityscope database; McKinsey Global Banking Pools; World Bank; UBS Prices and Earnings Report 2012; expert interviews; McKinsey Global Institute analysis",
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