The U.S. freight transportation system moves about$ 40 billion worth of goods each day, with delays and uncertainty in the performance of the system translating into higher prices for consumers and reduced productivity, according to researchers....
" Improvements to infrastructure are important, but it's also critical to ensure that the existing infrastructure is used efficiently," said Richard J. Hillestad, lead author of the study and a senior principal researcher with RAND, a nonprofit resea
经济
Infrastructure Finance(基础设施金融)
2021-06-30 00:00:00.0