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The economic effects of density: a synthesis

Ahlfeldt, Gabriel M. and Pietrostefani, Elisabetta (2019) The economic effects of density: a synthesis. Journal of Urban Economics. ISSN 0094-1190

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Identification Number: 10.1016/j.jue.2019.04.006

Abstract

This paper synthesises the state of knowledge on the economic effects of density. We consider 347 estimates of density elasticities of a broad range of outcomes ranging from wages, innovation, rents, various amenities, the cost of providing public services, transport- and environment-related outcomes to health and wellbeing. More than 100 of these estimates have not been previously published and have been provided by authors on request or inferred from published results in auxiliary analyses. We contribute original estimates of density elasticities of 16 distinct outcome variables that belong to categories where the evidence base is thin, inconsistent or non-existent. Along with a critical discussion of the quality and the quantity of the evidence base we present a set of recommended elasticities. Applying them to a scenario that roughly corresponds to an average high-income city, we find that density seems to be a net-amenity that is associated with positive external welfare effects. Densification policies may be welfare enhancing, but the distributional effects may be regressive, especially if residents are immobile and housing supply is inelastic.

Item Type: Article
Additional Information: © 2019 Elsevier Inc.
Divisions: Geography & Environment
Centre for Economic Performance
Subjects: H Social Sciences > HC Economic History and Conditions
H Social Sciences > HD Industries. Land use. Labor > HD100 Land Use
JEL classification: R - Urban, Rural, and Regional Economics > R3 - Production Analysis and Firm Location > R38 - Government Policies; Regulatory Policies
R - Urban, Rural, and Regional Economics > R5 - Regional Government Analysis > R52 - Land Use and Other Regulations
R - Urban, Rural, and Regional Economics > R5 - Regional Government Analysis > R58 - Regional Development Policy
Date Deposited: 16 Apr 2019 23:13
Last Modified: 17 May 2019 23:08
URI: http://eprints.lse.ac.uk/id/eprint/100482

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