L’effetto clessidra: infrastrutture e valori immobiliari

Objective of the study is to define an assessment method to measuring the effects on the housing market of big infrastructures (road, railway). A big infrastructure can, in fact, have significant impacts on the three ectors of the sustainability of a territory (environmental, social and economic) and altering the same characteristics. Among the different effects generated on a territory by an infrastructure, the change in property values is one of the most perceived by the end user and can represent a summary indicator of all different impacts (positive and negative). The study, through a multi-criteria method, measure the impacts induced by the construction of big infrastructure on the real estate value of residential properties. In particular, the application experience has been conducted on the new rail link that will connect more directly and quickly the city of Zurich (Switzerland) and Milan. The study has identified an "hourglass effect", with impacts usually positive and negative poles in the two territories interested, quantifying this change in three sub real estate markets such as: central, peripheral and rural.