C 1 Educational Requirements and Economic Development, Meeting on Education Planning, International Institute of Educational Planning, Paris, 1968.
C 2 The Contribution of Education to Growth and Distribution, Annual Meeting of the Statistical Society, Amsterdam, 1973.
C 3 Simulations of Socio‑Economic Development Policies, Conference of the Society for International Development (SID), Linz, September 1975.
C 4 Maatregelen voor groei en inkomensverdeling: nationale en internationale dimensies, NUFFIC Conference on the New International Economic Order and UNCTAD IV, the Hague, October 1975.
C 5 Development Models with Different Decision‑Makers, Conference of the World Future Studies Federation, WFSF and the Polish Academy of Science, Jablonna, April 1977.
C 6 Ideas and Interests in Life Styles, European Workshop on Development and Life Styles, organised by Futuribles, Arc‑et‑Senans, September 1977.
C 7 Socio‑Economic Development Models, Conference on the Bariloche Model and Basic Needs Approach, UNESCO and Institute of Development Studies (IDS), Sussex, November 1977.
C 8 Development Alternatives, Conference on the NIEO and Cultural Communication organised by WFSF, UNESCO and Egyptian Council of Sciences, Cairo, September 1978.
C 9 A Research Programme for the Planning of Human Resources, Conference of the European Association of Development Institutes (EADI), Milan, September 1978.
C 10 Presentation of the Colombian Project on Planning of Human Resources, Education and Training, World Future Society Conference, Education Section, Houston, October 1978.
C 11 Specifics of Alternative Developments, Conference of the World Future Studies Federation and the German Foundation for International Development on Science, Technology and the Future, Berlin, May 1979.
C 12 Research Proposals on Agrarian Reform and Rural Development, IFDA Seminar on Another Development, meeting in preparation of World Conference on Rural Development, FAO, Rome, 1979.
C 13 Towards a Basic Needs Development Model, Conference of the German Foundation for International Development on Basic Needs, Berlin, June 1979.
C 14 Presentation of the Pakistan project on Employment, Income and Basic Needs, SID conference, Employment Policies Working Group, Colombo (Sri Lanka), August 1979.
C 15 Presentation on the Ethics of Future Studies, Education Section of World Future Society Conference, Minnesota, October 1979.
C 16 The Development and Effectiveness of Global Models, UNESCO Regional Training Workshop on Global Models, Puna (India), April 1980.
C 17 The Evaluation of Manpower Training, Expert Group Meeting on Manpower Training, Erasmus University, Rotterdam, May 1980.
C 18 Education versus Occupation in Cost‑Benefit Analysis of Human Resources, Sixth Congress of the International Economic Association, Mexico, August 1980.
C 19 The Projection and Balancing of Manpower Development, Sixth Congress of the International Economic Association, Mexico, August 1980.
C 20 Towards a Social Group Approach in Economic Models, Seminar on Models for Alternative Development Strategies, Erasmus University and the Institute of Social Studies, the Hague, October 1980.
C 21 A Review of Integrative Models, Regional Symposium on Development Planning Techniques, UNESCO, Rabat, 1982.
C 22 An Estimated Manpower Framework for the Sixth Plan, 1982/3 ‑ 1987/8, PIDE Seminar on Employment Strategies for the Sixth Plan, Islamabad, April 1983.
C 23 Education and Development: Issues, Methods and Application in Long-Term Planning, UNESCO Seminar on Methods and Techniques for Drawing up Long Term Educational Plans, Paris, September 1983.
C 24 (co‑author) Educational Research and Developing Countries, Conference on Conditions of Educational Research in Developing Countries, IDS, Sussex, April 1984.
C 25 A Comparative Study of Needs and Their Satisfaction, Conference of European Association of Development Institutes (EADI), Madrid, September 1984.
C 26 The Labour Force Matrix of Pakistan, 2nd Conference of the Pakistan Society of Development Economists, Islamabad, May 1985.
C 27 (co‑author) A Social Accounting Matrix of Colombia, 19th Conference of the International Association for Research in Income and Wealth, Noordwijkerhout, August 1985.
C 28 Poverty Research and Poverty Alleviation, Seminar on Planning for Basic Needs in Latin America, Institute of Social Studies, the Hague, March 1986.
C 29 Social Accounting and Multiplier Analysis for Pakistan, Workshop on Socio‑Economic Accounting, Modelling and Surveying, Pakistan lnstitute of Development Economics (PIDE), Islamabad, April 1986.
C 30 Related Studies on the Labour Force in Pakistan, Workshop on Socio‑Economic Accounting, Modelling and Surveying, Pakistan Institute of Development Economics (PIDE), Islamabad, April 1986.
C 31 (co‑author) International Comparisons of Social Accounting Multipliers, Ecozoek Conference, Tilburg, May 1986.
C 32 Labour Analysis and Manpower Planning, Seminar on Orientations in Manpower Analysis and Planning, Government of Indonesia, UNDP and ILO, Jakarta, July 1986.
C 33 Input-Output versus Social Accounting in the Macro-Analysis of Development Policy, Eighth International Conference on Input‑Output Techniques, Sapporo, July‑August 1986.
C 34 (co‑author) Intergenerational Mobility and Long-Term Socio‑Economic Change, 3rd Conference of the Pakistan Society of Development Economists, Islamabad, August 1986.
C 35 A Social Accounting Matrix of the Netherlands, Ecozoek Conference, Amsterdam, May 1987.
C 36 Varying Patterns of Growth and Distribution, Fifth General Conference of the European Association of Development Research and Training Institutes (EADI), Amsterdam, September 1987.
C 37 (co‑author) Profiles of Formal and Informal Household Industries, Conference of the European Association of Development Research and Training Institutes (EADI), Amsterdam, September 1987.
C 38 (co‑author) Microeconomic Analysis of the Informal Sector. Results of Sample Surveys, 20th General Conference of the International Association for Research in Income and Wealth, Rome, August 1987.
C 39 Development Policy in the Context of SAM Frameworks, Workshop on Macroeconomic Analysis of Public Enterprises, International Centre for Public Enterprises in Development Countries, Ljubljana, March 1987.
C 40 Labour Market and Manpower Planning Information Systems, Indonesian Department of Manpower, Jakarta, May 1987.
C 41 Modelling Prospects of Growth and Development, 4th General Meeting of the Pakistan Society of Development Economists (PSDE), Islamabad, August 1987.
C 42 (co‑author) A Micro‑to‑macro Model for the Dutch Economy, with Special Emphasis on Simulation of Firm Behaviour, Ecozoek Conference, Maastricht, May 1988.
C 43 Microeconomic analysis of the informal sector, Development Economics Seminar, The Hague, May 1988.
C 44 Socio‑economic Mobility in a Developing Country, Results of a Sample Survey in Pakistan, 2nd Annual Congress of the European Society for Population Economics, Mannheim, 23-25 June 1988.
C 45 (co‑author) Simulation of Firm Behaviour in a Micro‑to‑macro Model, 15th Annual Conference European Association for Research in Industrial Economics, Rotterdam, 1 August 1988.
C 46 Comparing Economic Systems. A SAM Analysis over Time and between Countries, International Conference on the "Construction and Use of Regional Input-Output Models", West Virginia University, Morgantown, 12-16 August 1988.
C 47 International Comparisons of Performance in Growth and Equity, Staff seminar at Graduate School of Public International Affairs, University of Pittsburgh, Pittsburgh, 18 August 1988.
C 48 Economic Theory in a Changing World: New Facts on Allocation Mechanisms of Growth and Income in Indonesia, International Conference "National Regional Development in a Changing World", Hassanuddin University, Ujung Pandang, 3 ‑ 5 October 1988.
C 49 Microeconomic Analysis of the Informal Sector, Pakistan Society of Development Economists (PSDE), Islamabad, 5‑7 July 1989.
C 50 (co‑author) Profiles and Problems of Regional Small‑Scale Industry. A Case Study of Indonesia, EUR/ILO Workshop on Employment Processes and Economic Change, Rotterdam, 30‑31 January 1989.
C 51 Some Aspects of Changing Structures of the Labour Force. Facts, Theories and Policies, EUR/ILO Workshop on Employment Processes and Economic Change, Rotterdam, 30‑31 January 1989.
C 52 (co-author) Growth and Equity Effects of Changing Demographic Structures in the Netherlands, European Society for Population Economics, 3rd Annual Meeting, Bouray sur Juine, 8‑10 June 1989.
C 53 Planning Models with Emphasis on Population Groups, United Nations Steering Committee on Integration of Population Variables in Development Plans, United Nations, New York, 10‑13 May 1989.
C 54 (co‑author) Social Accounting Matrices, Multiplier Analysis and Industrial Structures, comparison between Netherlands and Poland, European Association of Research in Industrial Economics, Budapest, 29 August ‑ 1 September 1989.
C 55 Analysis and Decomposition of Growth and Distributionary Performance over Time in Extended Input‑Output Frameworks, 9th International Conference on Input‑Output Techniques, Keszthely (Hungary), 4‑9 September 1989.
C 56 Measuring the Cost of Well‑Being. Empirical Evidence, International Symposium on Human Resource Development and the Elaboration of Relevant Economic Indicators, UNESCO/USSR Academy of Sciences, Moscow, 27‑30 November 1989.
C 57 The Planning of Incomes by Population Groups in a Decentralised System of Decision‑making, International Symposium on Population and Development Planning, United Nations and Population Division Government of the USSR, Riga, 4‑8 December 1989.
C 58 The Interface between Population and Development, 6th Annual Meeting of the Pakistan Society of Development Economists, Islamabad, 8 Jan. 1990.
C 59 (co-author) Structural Adjustment Policies for Promoting Growth and Equity, EUR/EADI Workshop on Perspectives for Third World Industrialisation, Rotterdam, 8 March 1990.
C 60 (co-author) Social Accounting Matrices and Models for Analysing Development and Distribution Issues among Population Groups, Annual Meeting of the European Society for Population Economics, Istanbul, 7 June 1990.
C 61 (co-author) Allocation of Dutch Development Assistance: an Explanatory Approach, EADI-Conference, Oslo, 28 June 1990.
C 62 (co-author) Global Impacts of Shifts from Planning-oriented to Market-oriented Economies in Eastern Europe, EADI-Conference, Oslo, 29 June 1990.
C 63 Social Accounting Matrices for Analysing Development Economies, Annual Meeting of International Studies in Economic Modelling, Urbino (Italy), 23 July 1990.
C 64 SAM-based Models for Appraising Medium-Term Structural Adjustment in ESCAP-Countries, United Nations/ESCAP Regional Seminar on Interlinked Country Models, Beijing, 23 Oct. 1990.
C 65 (co-author) Parallel Economies: Conceptual and Policy Issues, EUR/ILO Workshop on Policy Making for Parallel Economies, Rotterdam, 21 Nov. 1990.
C 66 (co-author) Modelling the Restructuring of Economic Systems in the GLOBUS Framework. Transformation Processes in Eastern Europe, Science Centre for Social Research, Berlin, 7-8 Dec. 1990.
C 67 Institutional Relations and Human Resources in the Context of Eastern Europe, UNESCO Meeting, Paris, 13-14 May 1991.
C 68 Construction and Use of Social Accounting Matrices, Institute of Socio-Economic Monitoring, USSR Academy of Sciences, Moscow, 27 May 1991.
C 69 Micro-simulation of Firm Investment, Symposium on Economic Modelling, London University, London, 9-10 July 1991.
C 70 On Comparative Poverty Research, Workshop on the Future of International Poverty Research, International Council of Social Research, Bergen (Norway), 19-20 Sep. 1991.
C 71 Labour Market Disequilibrium and Policy Making in the Netherlands, Workshop on New Approaches to Manpower Planning and Analysis, International Labour Office, Geneva, Switzerland, 3-4 Oct. 1991.
C 72 Comparative Poverty Research Programmes, International Workshop sponsored by the International Social Science Council held at Erasmus University Rotterdam, 10 May 1992.
C 73 A Simple Model of a Privatisation Transaction, International Symposium on Economic Modelling, University of Götenburg, 19 August 1992.
C 74 The Dependency Problem: Past Tendencies and a Framework of Analysis, NWO Priority Program Population Problems, Utrecht, 17 June 1993.
C 75 (co-author) Cost-benefit Analysis of Privatisation Transactions in Transitional Economies, International Symposium of Development and Project Planning Centre, University of Bradford, 6-7 April 1995.
C 76 Allocation of Foreign Aid in a Segmented International Context, Annual General Meeting of the Pakistan Society of Development Economists, 19-20 April 1995.
C 77 (co-author) Poverty and Social Exclusion of Mediterranean Migrants in Europe. Conference of the International Social Science Council, Kreta, October 1996
C 78 Economic Growth of Rich and Poor Countries: International Conference of the Pakistan Society of Development Economists, Islamabad, December 1997.
C 79 Prospective Structures in Transition Economies, SAM comparisons for Hungary and Poland, paper presented at International Symposium on Economic Modelling, Institute of Advanced Economic Studies, Vienna, June 1998.
C80 The Human Resource Perspective towards International Development, Statement delivered at the Inaugural Forum of the Foundation for International Human Resource Development, co-sponsered by UNDP and World Bank, held in Bangkok, 25-26 February 1999.
C 84 (co-author) The trade-off between economic growth and sustainable development, the case of Agriculture in Sudan, paper presented at the International Conference on Economic Modelling, University of London, June 2001.
C86 Co-author S. Sluchai: Efficiency and Fairness in Funding Secondary Education in Ukraine. Paper presented at the Second Conference on Accounting and Finance in Transition, Kavala. Greece, July 2004.
C87 Institutional Skills for Successful Transitions: Strategy and Design. Conference proceedings of the International Seminar on Professional Skills Needed for Developing a Market Economy, organised by the Organisation for Security and Co-operation in Europe (OSCE), and held at Bishkek, Uzbekistan, 29-30 March 2004.
C88 Co-author I. Gurkov: Performance of Privatized Companies in Early Transition. Paper presented at the Annual Conference of the Academy of International Business and Economics, Las Vegas, October 2005.
C89 Co-author B. Rettab: “Institutional Barriers to Growth and Equity: labour market examples, impacts and policies.” paper presented at the Annual Conference of the Association of Social Economics, Uuniversity of Amsterdam, Amsterdam, June 2007.
C90 Dualistic Development in UAE and GCC , presented at the 28th International Conference of MEEA, American Economic Association, New Orleans, LA, January 4-7, 2008
C91 Behavioural Types and Economic Systems, paper presented at the 10th EACES Conference at the Higher School of Economics in Moscow, 29-31, August 2008.
C92 Breaking features in the displacement hypothesis: the cases of China and India. Paper presented at AISSEC/ EACES Conference, University of Perugia, 25th-27th June 2009.
C93 Economic systems and leader displacements of US and EU by China and India: consequences for externality failures and global governance. Paper presented at the Fourth International Conference On Public Policy and Management, Bangalore, August 2009.
C94 Formation and Character of Economic Systems: theory and Applications. EACES conference University of Tartu, Estonia, August 26-28, 2010.
C95 Transition Performances Explained by Systemic Differences in Dominance of Firms and State.
International Conference on Comparative Transitions, Kyoto University, February 2011.