Sites and service schemes were later perceived to have failed, primarily because they did not
provide a sustainable basis for housing delivery. In addition there were later policy shifts,
particularly within the World Bank, which changed the emphasis around informal settlements to
take account of a more wide ranging set of issues (World Bank, 1991). By then, however, the bank
had instilled a particular approach to development that was to have a long-term impact.
Sites and service schemes were later perceived to have failed, primarily because they did not
provide a sustainable basis for housing delivery. In addition there were later policy shifts,
particularly within the World Bank, which changed the emphasis around informal settlements to
take account of a more wide ranging set of issues (World Bank, 1991). By then, however, the bank
had instilled a particular approach to development that was to have a long-term impact.
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