据预测，中国城市将在未来15年中投入5.3万亿元用于基础设施建设；但更密集、更高效的城市将节省1.4万亿元（相当于2013年GDP的15 % ） 成本。
China’s cities are forecast to spend around $5.3 trillion on infrastructure over the next 15 years; but denser, more efficient cities would save around $1.4 trillion (15% of 2013 GDP) of these costs.