Gabriel Ahlfeldt, Daniel McMillen, 04 November 2017

Cities around the world are experiencing unprecedented vertical growth, but there has been little study of the economics of tall buildings. This column summarises novel evidence on the determinants of the urban height profile and the cost of building tall, and derives implications for urban theory and policy. In contrast to standard urban economics models, there is a role for the supply side in determining horizontal land use patterns. Vertical expansion is unlikely to resolve affordability problems in growing cities.

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