联合国贸易发展委员会：2025年可持续基础设施的国际投资：公私伙伴关系的作用（英文版）

International investment in sustainable infrastructure – including both hard infrastructure sectors like transport and energy, and soft infrastructure sectors such as health, education, water, and sanitation – remains insufficient in both volume and distribution. Sectoral and geographical diversity is lacking, with the poorest and smallest countries often bypassed despite their urgent financing needs. Public private partnerships (PPPs) offer significant potential to help close the sustainable