The practice of cost-benefit analysis (CBA) has a long tradition in France, dating back to Dupuit (1849), but is still a topical subject. This practice is in fact the result of the combination of economic theory and decision processes regarding project choices. Both of these are constantly...

We propose a series of kick-off points related to the economic appraisal of large urban infrastructure projects, taking some account of the specifics raised by the Grand Paris Express (GPE) regional automatic metro. The points, in the form of Maintained Hypotheses or Questions in Need of...