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Our People

Professor Laszlo Polos

MSc, MPhil, PhD

Professor of Organisational Theory/Director, Durham DBA

Lászlo graduated in mathematics and physics from the Loránd Eötvös University, Budapest, Hungary in 1980 and in philosophy in 1982. He was awarded a PhD in 1995 from the Hungarian Academy of Sciences.


Lászlo graduated in mathematics and physics from the Loránd Eötvös University, Budapest, Hungary in 1980 and in philosophy in 1982. He was awarded a PhD in 1995 from the Hungarian Academy of Sciences. Past appointments include: Visiting Professor, Graduate School of Business, Stanford University, 2002-2003 Fellow, Netherlands Institute of Advanced Study, 2000-2001 Associate Professor of Organization Theory, Erasmus University, Rotterdam, 1999 Associate Professor of Logic, 1998 Szécheny Professor of Applied Logic, Loránd Eötvös University in Budapest, 1998 Assistant Professor of Methodology, University of Amsterdam, 1995 Senior Researcher, Dutch National Science Foundation, 1991 Assistant Professor of Logic, Loránd Eötvös University, Budapest, 1982 Awards and Fellowships In 2003 Lászlo was awarded American Sociological Association Best Paper Award in Mathematical Sociology (with Michael T Hannon) for 'Reasoning with Partial Knowledge', Sociological Methodology, 32:133-81 Fellowship, Netherlands Institute for Advanced Study, 2000 Fellow of ERIM, 1999

Research Interests

  • Organisation theory
  • Organisation ecology
  • Organisation dynamics

Research Groups


    Authored book

  • Polos, L., Carroll, G.R. & Hannan, M.T. (2007). Logics of Organization Theory: Audiences, Codes and Ecologies. Princeton.: Princeton University Press.
  • Madarász, A., Ruzsa, I. & Polos, L. (2004). A Logika Elemei. (Elementary Logic). Budapest: Ozírisz Kiadó.
  • Edited book

  • Pólos, L., Marx, M. & Masuch, M. (1996). Arrow Logic and Multi-Modal Logic. FoLLI and CSLI Publications, Stanford.
  • Pólos, L. & Masuch, M. (1996). Applied Logic How, What and Why?. Synthese Library, Klewer Academic Publishers.
  • Pólos, L. & Masuch, M. (1994). Knowledge Representation and Reasoning Under Uncertainty. Springer-Verlag.
  • Pólos, L. & Kálmá&n, L. (1990). Logic and Language. Akadémiai Kiadó.
  • Pólos, L., Bodnár, I. & Máté&, A. (1988). Intensional Logic, History of Philosophy, and Methodology. A Filozófiai Figyelö Kiskönyvtára, Sorozatban.
  • Journal Article

  • Oord, A.V.D., Elliott, K., Witteloostuijn, A.V., Barlage, M., Polos, L. & Rogiest, S. (2017). A cognitive organization theory of organizational change.. Journal of Organizational Change Management
  • Le Mens, G., Hannan, M. T. & Polos, L. (2015). Age-Related Structural Inertia: A Distance-based Approach. Organization Science 26(3): 756-773.
  • van den Born, A., van Witteloostuijn, A., Barlag, M., Sapulete, S., van den Oord, A., Rogist, S., Vallet, N., Reguli, Z., Vit, M. Mouhanna, C., Binder, H., Blumenthal, V., Christe-Zeyse, J., Giljohann, S., Gruschinske, M., Pautz, H., Stein-Müller, S., Bisogni, F., Costanzo, P., Stojanovski, T., Mirceva, S., Krstevska, K., Rajkovcevski, R., Stamenova, M. Bayerl, S., Horton, K., Jacobs, G., Jochoms, T., Vogel, G. Andrei, D., Baban, A., Chirica, S., Otoiu, C., Ratiu, L., Rus, C., Varga, M., Vonas, G., Alsina, V., Gascó, M. Allen, K., Birdi, K. Betteridge, K., Casey, R., Graham, L. & Polos, L. (2013). Policing opportunities and threats in Europe. Journal of Organizational Change Management 26(5): 811-829.
  • Le Mens, G., Hannan, M.T. & Polos, L. (2011). Founding Condition, Learning and Organizational Life Chances: Age Dependence Revisited.. Administrative Science Quarterly 56(1): 95-126.
  • Hsu, G., Hannan, M.T. & Polos, L. (2011). Typecasting, legitimation, and form emergence: A formal theory. Sociological Theory 29(2): 97-123.
  • Polos, L., Hannan, M.T. & Hsu, G. (2010). Modalities in sociological arguments.. Journal of Mathematical Sociology 34(3): 201-238.
  • Polos, L., Adner, R., Ryall, M. & Sorenson, O. (2009). The case for formal theory. . Academy of Management Review 34(2): 201-208.
  • Jacobs, G., Christe-Zeyse, J., Keegan, A. & Pólos, L. (2008). Reactions to organizational identity threats in times of change: Illustrations from the German police. Corporate Reputation Review 11(3): 245-261.
  • Hannan, M. T., Pólos, L. & Carroll, G. R. (2004). The evolution of organizational inertia. Industrial and Corporate Change 13: 213-242.
  • Hannan, MT & Polos, L (2004). A logic for theories in flux. Logique et Analyse 47: 85-121.
  • Hannan, M. T., Pólos, L. & Carroll, G. R. (2003). The fog of change: opacity and asperity in organizations.. Administrative Science Quarterly 48(3): 399-432.
  • Hannan, M. T., Pólos, L. & Carroll, G. R. (2003). Cascading organizational change.. Organization Science 14(5): 463-482.
  • Hannan, M. T., Carroll, G. R. & Pólos, L. (2003). The organizational niche.. Sociological Theory 21(4): 309-340.
  • Polos, L., Hannan, M.T. & Carroll, G.R. (2002). Foundations of a theory of social forms.. Industrial and Corporate Change 11(1): 85-115.
  • Pólos, L. & Hannan, M.T. (2002). Reasoning with partial knowledge.. Sociological Methodology 32(1): 133-181.
  • Péli, G., Pólos, L. & Hannan, M.T. (2000). Back to inertia. Sociological Theory 18: 193-213.
  • Peli, G., Polos, L. & Hannan, M.T. (1999). Szervezeti tehetetlenség. Formalizálási stílusok, elméleti következmények. Szociológiai Figyelö 1: 120-143.
  • Kamps, J. & Pólos, L. (1999). Reducing uncertainty. American Journal of Sociology 104: 1774-1810.
  • Masuch, M., Bruggeman, J., Kamps, J., Péli, G. & Pólos, L. (1996). What theory is A reaction to Sutton and Staw's essay What a theory is not. Administrative Science Quarterly 96-137.
  • Huang, Z., Masuch, M. & Pólos, L. (1996). ALX an action logic for agents with bounded rationality. Artificial Intelligence 82: 75-127.
  • Pólos, L. (1995). Logical semantics for deferred information. Acta Linguistica Hungarica 42: 305-323.
  • Pólos, L. (1993). Default rules and deductive closure. Journal of Symbolic Logic 58: 1143-1144.
  • Pólos, L. (1987). A found key. Journal of Symbolic Logic 52(4): 1080.
  • Working Paper

  • Le Mans, G. Hannan, M.T. & Polos, L. (2011). Drifting Tastes, Inertia and Organizational Viability. 1-27.

Contact Details

Professor of Organisational Theory/Director, Durham DBA
+44 191 3345290