Requests the Secretary-General, when preparing the report, to give special attention to the impact on economic and social development of trends and prospective changes in, inter afia, intemational trade, financial flows and debt problems, including the net outflow of resources from developing to developed countries, technological change and the transfer of technology to developing countries, capital formation and investment pattems, development of human resources, the allocation of public resources between developmental and non-developmental purposes, environmental issues, economic co-operation and integration among developing countries, the implications of different economic and development policies, special problems faced by the least developed countries and the critica! economic situation in Africa;