A novel approach to development finance could substantially benefit low- and middle-income countries, particularly in Africa, by utilizing ultra-long-term donor bonds. This strategy aims to address the shortcomings of the current financing system, which has been criticized for its instability and inadequacy in meeting the needs of climate-vulnerable nations.

The proposal suggests that rather of relying on traditional donor grants, which can be politically sensitive or financially straining for wealthier nations, these countries could issue 100-year, ultra-low-interest bonds to multilateral development banks. This approach is presented as a practical and transformative solution for developing economies.

According to the original commentary,governments have been demanding that richer countries “do more and do it better” through reform efforts like the Bridgetown Initiative.

The Potential of Ultra-Long-Term Donor Capital

The introduction of ultra-long-term donor capital, exceeding the scale of official development assistance (ODA) grants, would strengthen the african Development Bank’s (AfDB) financial position and decrease its borrowing expenses. This, in turn, would facilitate more consistent and patient funding for extensive infrastructure, energy, and climate-related projects, especially those spanning multiple countries. These types of investments typically require decades to yield returns.

“do more and do it better”

Low-income countries would gain from a more resilient and responsive multilateral development bank (MDB) system. This system would possess greater financial capabilities, reduced reliance on unpredictable capital replenishments, and the capacity to borrow alongside neighboring middle-income countries.

Modeling the Impact of G20 Contributions

A model developed by Development Reimagined envisions each G20 member state contributing $5 billion in 100-year donor bonds to the AfDB. This would total approximately $90 billion, marking a substantial capital infusion in the bank’s history. It would increase the bank’s paid-in capital by roughly 4.5 to 6 times and nearly double its lending capacity.

Such a significant increase in financial resources could revolutionize Africa’s financial landscape. It would lower the cost of capital on the continent due to the AfDB’s enhanced credit profile and reduced funding costs. The bank would be able to provide longer-term loans to middle-income countries, addressing a critical need in infrastructure and climate finance. Additionally, it would support large-scale, sustainable cross-border infrastructure projects that require patient capital.

South Africa’s Role in Promoting Sustainable investment

By prioritizing this proposal on the G20’s agenda, South Africa could leverage its presidency to convey a powerful message. This would demonstrate the global leadership urgently needed for climate and development finance and shift the focus from aid dependence to sustainable investment.

In an era of declining ODA, there is an opportunity to transition from an unpredictable grant-making model to a revolving, repayable, low-cost capital system that benefits donors, MDBs, and recipient countries. The urgency is high, and South Africa is positioned to capitalize on this moment.