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Learning outcomes are low and instruction is poor in many countries in the Global South. Improving learning outcomes has proven to be difficult, although the number of successful programs is growing. The effective examples have seldom been implemented at large scale, however; and the large-scale successful programs have had limited research into their characteristics that can be used to inform other programs.
DIBs bring together private investors, non-profit and private sector service delivery organizations, governments and donors to deliver results that society values. They provide upfront funding for development programs by private investors, who are remunerated by donors or host-country governments—and earn a return—if evidence shows that programs achieve pre-agreed outcomes. If interventions fail, investors lose some or all of their investment.