Beschrijving
Spatial planners and policy makers have used a host of spatial policies to channel urban growth across different scales and time periods and in varying contexts. However, it is hard to empirically measure the impacts of spatial policies on urbanization as policies are not always easy to quantify and because a multitude of other factors drives urbanization (e.g., economic growth and market forces, transport accessibility, neighborhood interactions). Importantly, the impact of policies (if existing) becomes observable over time and possibly with some delay, as urbanization is a slow process. Finally, the of lack of consistent longitudinal data on urbanization and its drivers poses a major problem for the efforts to pinpoint the role of spatial policies. This speech presents the results of an empirical analysis of the Dutch metropolitan region of the Randstad, the population and economic core of the Netherlands, since 1960s. It discusses the various national spatial and transport policies aimed to curb urban sprawl in the region over 5 decades and their impacts. The findings show that using long-term panel data of major drivers of urbanization and areas designated for spatial policies, plus a longitudinal model that controls for interaction of policies with time can shed light upon the role of policies. The results indicate that spatial policies played a significant role in channeling new urbanization, while preserving the centrally located green and mainly rural area. Remarkably, the legacy of earlier policies is still significant despite shifts in predominant Dutch spatial policies.| Periode | 21 apr. 2021 |
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| Gehouden op | Swiss Federal Institute for Forest, Snow and Landscape Research (WSL), Zwitserland |
| Mate van erkenning | Internationaal |