Developing countries are characterised by relatively small amounts of capital relative to labour, and hence relatively high rates of return on additions to their capital stock. It makes sense for funds to flow from the mature economies to the developing economies in order to receive a higher rate of return on those funds.
Record inflows of FDIs in the years before the pandemic and the inflow of three billion euros even in the pandemic 2020 are the best evidence that the position of international institutions is also shared by international investors.