Transportation Infrastructure, Productivity and Externalities

摘要: This paper summarizes the results of three studies that link investment in highway infrastructure to productivity growth manufacturing sectors United States, Spanish and Indian economies. The objective this is to: (1) trace overall impact on strategic sector; (2) examine interregional effects such investments, with particular attention issue whether encourages regional convergence relocation economic activity; (3) assess extent spillover externalities industry associated investments. describes how last importance for policy, since tend go uncounted formal project analyses, which leads possibility underinvestment. comparative study countries at different stages development, using virtually same model, allows another be examined: according level development existing networks have already been built up.