This study provides an in-depth evaluation of sovereign green, social, sustainability, and sustainability-linked (GSS+) bonds, focusing on their ability to bridge financing gaps for climate, social, and development goals in emerging and developing countries. As global demand for sustainable investments grows, GSS+ bonds offer a pathway for countries to access international capital for targeted environmental and social projects. However, this research reveals that these bonds often fail to meet their potential due to high issuance costs, shorter maturities, and administrative complexities. […]