Emanuele Ciani, Guido de Blasio, Samuele Poy, 11 July 2020

Large transportation infrastructure projects are considered a promising investment to spur economic growth in lagging areas by many policymakers. This column presents historical evidence that questions this assumption. It studies the most important Italian infrastructure project in the aftermath of WWII: the 440km freeway connecting the Southern regions of Italy. It finds, that while the freeway caused a significant reorganization of both economic activity and population from places far from the freeway to locations close to it, there is no evidence that it had any long-run effect on economic growth of the Southern region as a whole.

Ejaz Ghani, Arti Grover Goswami, William Kerr, 05 February 2013

Investment in transport plays an important role in a country’s economic development. This column assesses Indian industries that are moving out of the congested big cities in search of cheaper land and buildings, facilitated by major highways. The Golden Quadrilateral highway project -- a huge, country-wide highway building project connecting four major Indian cities -- significantly influences the success of industries’ exodus from the big cities. It is clear that although highway investments are expensive, the costs of not investing may be too high.

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