A/RES/50/161 Page 4 19. Urges the Secretary-General, in cooperation with the World Bank, the International Monetary Fund and other multilateral development institutions, to study the impact of structural adjustment programmes on economic and social development and to assist adjusting countries in creating conditions for economic growth, job creation, poverty eradication and social development; 20. Encourages Governments as well as public and private institutions and organizations to take initiatives relevant to the high priority attached by the Summit to social development and to the implementation of the objectives and commitments adopted at the Summit; The role of the United Nations system 21. Calls upon all relevant organs, organizations and bodies of the United Nations system to be involved in the follow-up to the Summit, and invites specialized agencies and related organizations of the United Nations system to strengthen and adjust their activities, programmes and medium-term strategies, as appropriate, to take into account the follow-up to the Summit; 22. Reaffirms that the follow-up to the Summit will be undertaken on the basis of an integrated approach to social development and within the framework of a coordinated follow-up to and implementation of the results of the major international conferences in the economic, social and related fields; 23. Decides that the General Assembly, through its role in policy formulation, the Economic and Social Council, through its role in overall guidance and coordination, in accordance with their respective roles under the Charter of the United Nations and with Assembly resolution 48/162 of 20 December 1993, and a revitalized Commission for Social Development shall constitute a three-tiered intergovernmental process in the follow-up to the implementation of the Declaration and Programme of Action; 24. Also decides to hold a special session of the General Assembly in the year 2000 for an overall review and appraisal of the implementation of the outcome of the Summit and to consider further actions and initiatives; 25. Also reaffirms that the Economic and Social Council will provide overall guidance and oversee system-wide coordination in the implementation of the outcome of the Summit and make recommendations in this regard; 26. Requests the Economic and Social Council, so that it can review progress made towards implementing the outcome of the Summit as well as improving its own effectiveness, to continue examining ways, consistent with the mandates of the Charter and in accordance with General Assembly resolutions 45/264 of 13 May 1991, 46/235 of 13 April 1992 and 48/162, to strengthen its role, authority, structures, resources and processes, bringing specialized agencies into a closer working relationship with it; 27. Invites the Economic and Social Council to review the reporting system in the area of social development with a view to establishing a coherent system that could result in clear policy recommendations for Governments and international actors; /...