of Volume III.- Five Economic Policy and Forecasts.- 62 Econometric Models and Welfare Maximization.- Section 5.1 Economic Policy.- Source: Weltwirtschafliches Archiv, 72 (1954), 60-83..- 63 On the Theory of Economic Policy.- Source: American Economic Review, 46 (1956), 360-366..- 64 A Note on Certainty Equivalence in Dynamic Planning.- Source: Econometrica, 25 (1957), 346-349..- 65 Macrodynamic Policy-Making: An Application of Strategy and Certainty Equivalence Concepts to the Economy of the United States, 1933-1936.- Source: Metroecanomica, 11 (1959),. 149-167..- 66 Who Forecasts Best?.- Section 5.2 Forecasting.- Source: International Economic Papers,5 (1955), 194-199..- 67 A Statistical Appraisal of Postwar Macroeconomic Forecasts in the Netherlands and Scandinavia.- Source: Bulletin of the International Statistical Institute, 35 (1957), 49-64..- 68 Some Observations on Adaptive Forecasting.- Source: Management Science, 10 (1964), 198-206..- 69 Forecast Evaluation Based on a Multiplicative Decomposition of Mean Square Errors.- Source: Econometrica, 35 (1967), 70-88..- Six:Management Science, Operation Research and Quantitative Analysis.- 70 Management Science in Europe.- Section 6.1 Management Science.- Source: Bulletin of the Institute of Management Sciences, 11 (1964), 1-4..- 71 Econometrics and Management Science: Their Overlap and Interaction.- Source: Management Science, 11 (1965), Series B, B200-B212..- 72 Quadratic Programming as an Extension of Classical Quadratic Maximization.- Section 6.2 Operations Research.- Source: Management Science, 7 (1960), 1-20..- 73 The Effect of Forecasting Errors on Optimal Programming.- Source: vol. 1 of C.W. Churchman and M. Verhulst, eds., Management Sciences, Models and Techniques, Pergamon Press Ltd., Oxford, U.X., 1960, 295-322..- 74 Some Reflections on Static Programming under Uncertainty.- Source: Weltwirtschaftliches Archiv, 87 (1961), 124-138..- 75 A Procedure for Integer Maximization of a Definite Quadratic Function.- Source: G. Dreweras and G. Morlat, eds., Actes de la 3econference internationale de recherche operationelle, Dunod, Paris, 1964,677-682..- 76 Substitution Effects in Geometric Programming.- Source: Management Science, 19 (1972), 25-30..- 77 Quantitative Economics in the Netherlands.- Section 6.3 Quantitative Analysis.- Source: Higher Education and Research in the Netherlands, 2 (1958), 2-16..- 78 On the Optimal Management of Research: A Mathematical Approach.- Source: G. Dreweras and G. Morlat, eds., Actes de la 3econference internationale de recherche operationelle, Dunod, Paris, 1964,455-470..- 79 Can Economists Contribute to Marketing Research?.- Source: Sloan Management Review, 20 (Summer 1979), 19-29..- 80 The Cube Law Revisited.- Source: Journal of the American Statistical Association, 65 (1970), 1213-1219..- 81 The Apportionment Problem and the European Parliament.- Source: European Economic Review, 9 (1977), 247-263..