P. Liedl, G. Haag: StasaQC - Qualitätsprognose und Prozessüberwachung, in: D. Sparth, K. Haasis, D. Klumpp (Hrsg.): Aktuelle Trends in der Softwareforschung, Tagungsband zum doIT Software-Forschungstag am 29. Oktober 2004. (IRB-Mediendienstleistungen, 2005)
G. Haag, P. Liedl: Knowledge, Capital Formation and Innovation Behaviour in a Spatial Context, in: H. L. F. de Groot, P. Nijkamp, R. R. Stough (eds.): Entrepreneurship and Regional Economic Development. (Edward Elgar Publishing, 2004)
F.C. Englmann, G. Haag, Th. Pischner: Berechnung und Bewertung des induzierten Verkehrs im Rahmen der Bundesverkehrswegeplanung, to be published
J. Binder, G. Haag, M. Koller: Modelling and Simulation of Migration, Regional Employment Development and Regional Gross Wage Payment in Germany: The Bottom-up Approach, in Regional Economies in Transition, Research Report 02:1, University of Trollhättan/Uddevalla (2002)
G. Haag, K.Grützmann: Die Entstehung von Konventionen, Handbuch der Evolutorischen Ökonomik, Bd. 2 (Springer, 2002)
G. Haag: Auswertung des Mobilitätspanels mittels künstlicher neuronaler Netzwerke, to be published
G. Haag: A Neural Network Approach for Mobility Panel Analysis in M.M.Fischer, Y.Leung (Eds.) (Springer, 2001)
G. Haag, P. Liedl: Modelling of Knowledge, Capital Formation and Innovation Behaviour within Micro-based Profit Oriented and Correlated Decision Processes, in: M. M. Fischer, J. Fröhlich (eds.): Knowledge, Complexity and Innovation Systems (Springer, 2001)
G. Haag, K. Grützmann: Transport and Urban Development, in: G.Clark (Ed.): Regional Science in Business (Springer, 2001)
G. Haag: Towards Nested Theories and New Frontier Concepts in Spatial Sciences, in A. Reggiani (Ed.): Spatial Science: New Frontiers in Theory and Methodology, to be published
G. Haag, K.Grützmann: Wanderungsdynamik in U. Mueller (Hrg.): Handbuch der Demographie 1,2 (Springer 2000)
G.H aag: Kann man Chaos kontrollieren?, in G.K.Küppers (Hrg.): Über den Wandel eines wissenschaftlichen Weltbilds, (Reklam, 1996)
J.H olyst, T. Hagel, G.Haag: Competition and Control in a Chaotic Microeconomical Model, in Proceedings of the International Conference on Nonlinear Dynamics, Chaotic and Complex Systems, (Zakopane, Poland, 1995)
G. Haag, A. Wagner, K. Brandt: Towards Evolutionary Spatial Economics, in Proceedings of the ''International Conference on Complexity and Self-Organisation in Socioeconomic Systems'', Beijing (Springer, 1995)
G. Haag, M. Hilliges, K. Teichmann: Towards a Dynamic Disequilibrium Theory of Economy, in P. Nijkamp, A. Reggiani (Eds.): Nonlinear Evolution of Spatial Economic Systems, (Springer, 1993)
G. Mensch, G. Haag, and W. Weidlich: The Schumpeter Clock. A Micro-Macro Model of Economic Change, Including Innovation, Strategic Investment, Dynamic Competition, and Short and Long Swings in Industrial Transformation. Applied to United States and German Data}, in OECD: Technology and Productivity, The Challenge for Economic Policy, (OECD Publication Service, 1991)
G. Haag: Towards an Integrated Urban Model, in D.Pumain (ed.): Spatial Analysis and Population Dynamics, (John Libbey Eurotext, 1991)
G. Haag: Die Beschreibung sozialwissenschaftlicher Systeme mit der Master Gleichung, in Ökonomie und Gesellschaft, Jahrbuch 8: Individuelles Verhalten und kollektive Phänomene, (Campus, 1990)
G. Haag, S.Lombardo: Information Technologies and Spatial Organization of Urban Systems: A Dynamic Simulation Model, in Proceedings of MOSES: "Models of Selforganization in Complex Systems", Berlin, 5.-8. November, 1990, (Academie Verlag, Vol.64)
G. Haag: Housing 2 - A Master Equation Approach, and Services 2 - A Master Equatation Approach, and Labor Market 2, A Master Equatation Approach for Labour Mobility, in C.S.Bertuglia, G.Leonardi, A.G.Wilson (eds.): Urban Systems: Design for an Integrated Dynamic Model, (Routledge, 1990)
G. Haag: Spatial Interaction Models and their Micro-Foundations, in A.Andersson, D.Batten, B.Johansson and P.Nijkamp (eds.): Advances in Spatial Theory and Dynamics, (North Holland, 1989)
G. Haag: Anforderungen an Greifer für Montagearbeiten. Flexible, intelligente Greifersysteme, in W.Rehr (HRSG.): Automatisierung mit Industrierobotern, (Braunschweig, 1988)
G. Haag, P.Frankhauser: A Stochastic Model of Intraurban Supply and Demand Structures, in H.J.P. Timmermans et. al. (eds): Contemporary Developments in Quantitative Geography, (Reidel, 1988)
M.M. Fischer, G. Haag, M. Sonis, W. Weidlich: Account of Different Views in Dynamic Choice Processes, in Proceedings of the Symposium of the IGU-Working Group on Mathematical Models, Canberra (1988)
G. Haag, P. Wunderle: Quality Improvement and Self-Reinforcing Mechanisms in Economy, Proceedings of the 13. Symposium on Operations Research, Paderborn, (1988)
G. Mensch, W.W eidlich, G.Haag: Outline of a formal Theory of Long-Term Economic Cycles, in T. Vasko (ed): The Long-Wave Debate, Selected Papers (Springer, Berlin, Heidelberg, New York 1987)
G. Haag, W. Weidlich, G. Mensch: The Schumpeter Clock}, Proc. of Invited Sessions on Economic Evolution and Structural Change, 5th International Conference on Mathematical Modelling at the University of California, Berkeley, USA, July 29-31. (1985), Lecture Notes in Economics and Mathematical Systems, 293 (Springer, Berlin, Heidelberg, New York, 1987)
W. Weidlich, G. Haag: Stochastic Migration Theory and Migratory Phase Transitions, in D.A.Griffith and R.P.Haining (eds.): Transformations Through Space and Time, NATO ASI Series D, 29 (Martinus Nijhoff, 1986)
G. Haag: A Stochastic Theory for Residential and Labour Mobility including Travel Networks, in P.Nijkamp(ed.): Technological Change, Employment and Spatial Dynamics, Lecture Notes in Economics and Mathematical Systems, 270 (Springer, Berlin, Heidelberg, New York 1986)
G. Haag, A.G.Wilson: A Dynamic Service Sector Model - A Master Equation's Approach with Prices and Land Rents, Working Paper 447, University of Leeds (1986)
G. Haag: The Macroeconomic Potential, in G.Bianchi, T.Vasko, J.Delbeke, G.Bruckmann (eds.): Long Waves Depression and Innovation: Implications for National and Regional Economic Policy, Proc. of the Siena/Florenz Meeting (26-30 Oct. 1983), Collaborative Paper, CP-85-9, Laxenburg (1985)
G. Mensch, W.Weidlich, G.Haag: Short-Term Fluctuations in Industrie, Working Paper No. 58, Weatherhead School of Management, Case University, Cleveland, Ohio (1983)
G. Haag, W. Weidlich: A Nonlinear Dynamic Model for the Migration of Human Populations, in D.A. Griffith, A.C. Lea (eds.): Evolving Geographical Structures, NATO ASI Series D, 15, 24 (1983)
W. Weidlich, G. Haag: Dynamics of Interacting Groups with Application to the Migration of Populations, Lect. and Tutorials, Bd. 11, Oldenburg Verlag München (1980)