2016 GGSD Forum - Session 2: Presentation by Prof. Walid Oueslati, Senior Economist, Environment and Economy Integration, OECD

Walid Oueslati GGSD Forum, 09-10 November 2016

Urban Sprawl

Trends and policies

Sprawl: what is at stake?

2

Market failures versus policy failures

Cities are increasingly sprawling worldwide…but especially in Europe, Northern America and Oceania

4

Population and built-up area growth rate in OECD countries, 2000-2050

Land consumption for built-up areas will increase more rapidly than the population in 30 out of 34 OECD countries.

Source: OECD 2015: The Metropolitan Century

1975

Urban development in Paris region

1990

Urban development in Paris region

2000

Urban development in Paris region

2014

Urban development in Paris region

9

Measuring urban sprawl

Urban sprawlPopulation density

Fragmentatio

n

Composition:Dispersion -

Polycentricity

10

OECD SPINE Project

Policies : environmental effectiveness + economic efficiency

Urban sprawl : measurement and policies

Policy Topics• GHG emissions

• Air pollution

• Open Space

• Resilience

• Breakthroughs in

transport

Empirical track

Modelling track

For more information:

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