Got $1.2T to invest in roads and other infrastructure? Here's how to figure out how to spend it wisely
- Written by Anna Nagurney, Eugene M. Isenberg Chair in Integrative Studies, University of Massachusetts Amherst

The American economy is underpinned by networks.
Road networks carry traffic and freight; the internet and telecommunications networks carry our voices and digital information; the electricity grid is a network carrying energy; financial networks transfer...