This paper presents a cost–benefit analysis approach devised to conduct project evaluation in conditions of limited analyst time, research budget and data availability. The emphasis is on discarding economically viable from unviable projects rather than on arriving at a precise estimate...

This paper considers the existence of a given transport infrastructure and analyzes the optimal conditions for investing in a complementary or rival new infrastructure. The model allows us to identify some key variables to be considered in cost–benefit analysis and highlights the importance of...

The purpose of this paper is to provide a quantitative assessment of the degree of concentration in infrastructure industries at the regional and global levels. We calculate regional and global concentration indexes for electricity generation and distribution, water and sanitation, and fixed and...