Prof. Dr. Marianne Saam

Prof. Dr. Marianne Saam
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Office: Suttner-Nobel Allee 4 (ehm. Opelring 1) room 01.23.1
Phone: +49 (0)234 32 - 27 385

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Curriculum Vitae

Prof. Dr. Marianne Saam pursued her undergraduate and graduate studies at the Goethe University Frankfurt with stays in Paris and Louisiana. Between 2005 and 2017 she worked in the research department “Digital Economy” at the Centre for European Economic Research (ZEW) in Mannheim, where she led various research projects (including projects for the KfW and the EU Commission). Her work has been published in international journals such as the Review of Economics and Statistics. In 2014 she received her habilitation degree from the Goethe University Frankfurt and was appointed Professor at the Ruhr-Universität Bochum in 2017. Her research deals with economic growth and innovation, in particular with factor substitution, intangible investment and digitalisation.

The detailed CV of Prof. Dr. Marianne Saam is available as a PDF.


Articles in peer reviewed journals

  • Papageorgiou, Chris, Marianne Saam und Patrick Schulte (2017), Substitution Between Clean and Dirty Energy Inputs - A Macroeconomic Perspective, Review of Economics and Statistics Vol. 99, No. 2, May 2017, 281-290.

  • Niebel, Thomas, Mary O’Mahony und Marianne Saam (2017), The Contribution of Intangible Assets to Sectoral Productivity Growth in the EU, Review of Income and Wealth 63, S49–S67. doi:10.1111/roiw.12248.

  • Kummer, Michael, Marianne Saam, Iassen Halatchliyski und George Giorgidze (2016), Centrality and Content Creation in Networks - The Case of Economic Topics on German Wikipedia, Information Economics and Policy Volume 36, 36-52.

  • Chen, Wen, Thomas Niebel und Marianne Saam (2016), Are Intangibles More Productive in ICT-Intensive Industries? Evidence from EU Countries, Telecommunications Policy Volume 40, Issue 5, 471-484.

  • Niebel, Thomas und Marianne Saam (2016), ICT and Growth - The Role of Rates of Return and Capital Prices, Review of Income and Wealth Volume 62, Issue 2, 283–310.

  • Coneus, Katja, Johannes Gernandt und Marianne Saam (2011), Noncognitive skills, school achievements and educational dropout, Schmollers Jahrbuch - Journal of Applied Social Science Studies 131, 1 - 22.

  • Papageorgiou, Chris und Marianne Saam (2008), Two-Level CES Production Technology in the Solow and Diamond Growth Models, Scandinavian Journal of Economics 110(1), 119-143.

  • Klump, Rainer und Marianne Saam (2008), Calibration of normalised CES production functions in dynamic models, Economics Letters 99(2), 256-259.

  • Saam, Marianne (2008), Openness to Trade as a Determinant of the Macroeconomic Elasticity of Substitution, Journal of Macroeconomics 30, 691-702.

Articles in professional journals

  • Saam, Marianne (2019), Industrie 4.0 im Mittelstand – für viele Unternehmen noch nicht in Reichweite, in: Steven, Marion und Lisa Grandjean (2019), Marktchancen 4.0 Erkennen, entwicklen und umsetzen innovativer Geschäftsmodelle, 2019, Kohlhammer 238-257.

  • Weber, Enzo, Steffen Elstner, Christoph M. Schmidt, Ulrich Fritsche, Patrick Christian Harms, Hagen Krämer und Marianne Saam (2017), Schwaches Produktivitätswachstum – zyklisches oder strukturelles Phänomen?, Wirtschaftsdienst 97. Jahrgang, 2017, Heft 2, 83 – 102.

  • Slivkó, Olga, Michael Kummer und Marianne Saam (2016), Identification of Causal Effects in the Context of Mass Collaboration , in: Cress, Ulrike, Johannes Moskaliuk and Heisawn Jeong Mass Collaboration and Education, Computer-Supported Collaborative Learning Series, Bd. 16, Springer 391-411.


  • Niebel, Thomas, Marianne Saam und Patrick Schulte (2018), The Sectoral Impact of the Digitisation of the Economy, European Commission, Directorate-General of Communications Networks, Content & Technology, Brüssel.

  • Peters, Bettina, Pierre Mohnen, Marianne Saam, Florence Blandinieres, Martin Hud, Bastian Krieger und Thomas Niebel (2018), Innovationsaktivitäten als Ursache des Productivity Slowdowns? Eine Literaturstudie, im Auftrag der EFI.

  • Bertschek, Irene, Wolfgang Briglauer, Kai Hüschelrath, Jan Krämer, Stefan Frübing, Reinhold Kesler und Marianne Saam (2016), Metastudie zum Fachdialog Ordnungsrahmen für die Digitale Wirtschaft, im Auftrag des BMWi.

  • Saam, Marianne, Steffen Viete und Stefan Schiel (2016), Digitalisierung im Mittelstand: Status Quo, aktuelle Entwicklungen und Herausforderungen, Forschungsprojekt im Auftrag der KfW Bankengruppe.

  • Bertschek, Irene, Armin Heinzl, Thomas Niebel, Marko Nöhren, Jörg Ohnemus, Marianne Saam, Katrin Schleife, Patrick Schulte, Andreas Stiehler, Eric Dubiel und Tobias Ortwein (2013), Produktivität IT-basierter Dienstleistungen (ProdIT), Zweiter Meilensteinbericht, Mannheim.

Working Papers

  • Saam, Marianne und Chuan Liu (2019), ICT and Productivity Growth within Value Chains, Ruhr Economic Papers No. 828, Essen.

  • Peters, Bettina, Pierre Mohnen, Marianne Saam, Florence Blandinieres, Martin Hud, Bastian Krieger und Thomas Niebel (2018), Innovationsaktivitäten als Ursache des Productivity Slowdowns? Eine Literaturstudie, Studien zum deutschen Innovationssystem Nr. 10-2018, Berlin.

  • Saam, Marianne, Laura Weinhardt und Lukas Trottner (2016), Public ICT Investment in Reaction to the Economic Crisis – A Case Study on Measuring IT-related Intangibles in the Public Sector, ZEW Discussion Paper No. 16-081, Mannheim.

  • Saam, Marianne und Thomas Niebel (2016), Vergleich der Ausgaben für Digitalisierungsprojekte im Mittelstand mit den gesamtwirtschaftlichen IKT-Investitionen, ZEW-Dokumentation Nr. 16-02, Mannheim.

  • Saam, Marianne (2014), The Identification of Directed Technical Change Revisited, ZEW Discussion Paper No. 14-127, Mannheim.