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Faculty

Economics

Please click on the names to find out more about the members of the BIGSEM.

Prof. em. Volker Böhm, Ph.D.

Prof. Volker Böhm, obtained a Ph.D. in Economics from the University of California in Berkeley in 1972. Before joining the faculty of Bielefeld University in 1994, he taught at CORE, Université Catholique de Louvain, at Université Libre de Bruxelles, and at the University of Mannheim. Prof. Böhm has held visiting positions at various international universities and is associate editor of several scientific journals.

Research Interests: Economic Theory in the areas Microeconomics and Macroeconomics, in particular Stochastic Dynamic Economic Theory with Applications mainly in Business Cycle Theory, Growth Theory, and Financial Market Theory

Prof. Böhm's Homepage

 

Prof. Dr. Yves Breitmoser

Yves Breitmoser obtained a doctorate in economics from Europa-University Viadrina Frankfurt (Oder) in 2008.  Before coming to the University of Bielefeld, he was junior faculty in Frankfurt (Oder) and Heisenberg Fellow at Humboldt University Berlin.

Research Interests: Behavioral Economics, Game Theory, Experimental Economics

Prof. Breitmoser's Homepage

 

Prof. Dr. Christiane Clemens

Prof. Dr. Christiane Clemens held assistant and associate professor positions at the Universities of Hannover, Magdeburg and Hamburg and served as visiting professor at the Swiss Federal Institute of Technology, Zurich (ETH) and visiting associate professor at the University of Washington, Seattle. She was appointed to the Chair of Macroeconomics at Bielefeld University effective from April, 2010.

Research Interests: Growth Theory, Income and Wealth Distribution, Public Economics, International Economics, Political Economics, Economics of Uncertainty and Learning

Prof. Clemens' Homepage

 

Prof. Dr. Herbert Dawid (Chairman, Profile Coordinator Economics)

Prof. Dr. Herbert Dawid obtained his doctoral degree at the Vienna University of Technology. He held assistant and associate professor positions at the University of Vienna and was an associate professor at the University of Southern California in Los Angeles before coming to Bielefeld in 2003. Prof. Dawid has published numerous articles in internationally renowned scientific journals, has obtained several research awards and is currently editor of the Journal of Economic Dynamics and Control and on the editorial board of several other international journals.

Research Interests: Dynamic Industrial Organization, Evolutionary Economics, Agent-based Computational Economics

Prof. Dawid's Homepage

 

Prof. Dr. Bernhard Eckwert

After completing his doctoral studies in 1984, Prof. Dr. Bernhard Eckwert was part of the economics faculty of the University of Augsburg for several years. From 1993 until he joined Bielefeld University in 2002, he held a position as professor at the Technical University of Chemnitz. Prof. Eckwert is a frequent visitor to various international universities and research institutes. In recent years, his research activities have focused on the economics of information, risk sharing, and growth.

Research Interests: Economics of Information, Financial Economics, Endogenous Growth

Prof. Eckwert's Homepage

 

Prof. Dr. Giorgio Ferrari

Prof. Dr. Ferrari obtained a Ph.D. in Mathematics for Economic-Financial Applications at the University of Rome "La Sapienza" in 2012. He then moved to the Center for Mathematical Economics at Bielefeld University where he was Post-doctoral researcher (2012-2016), and then Junior-Professor (2016-2017). Since December 2017 he is Professor for Mathematical Finance. Prof. Dr. Giorgio Ferrari published research paper is renowed journal in Control, Applied Probability, and Operations Research.

Research Interests: Stochastic Control, Optimal Stopping, Stochastic Games, Mathematical Finance, Mathematical Economics

Prof. Ferrari's Homepage

 

Prof. Dr. Alfred Greiner

In 1993, Prof. Dr. Alfred Greiner successfully completed his doctoral studies with a dissertation on a topic in innovation economics. For several years, he was a faculty member of the University of Augsburg and visiting research fellow at the New School for Social Research, New York. Since 2000, Prof. Greiner has held a position as professor for economic policy at Bielefeld University. He is a member of the International Institute of Public Finance.

Research Interests: Public Finance, Macroeconomics, Optimal Control, Economic Dynamics, Optimal Growth

Prof. Greiner's Homepage

 

J-Prof. Dr. Tim Hellmann

 Academic curriculum vitae

  • 2002 Pre-Diploma in Mathematics and Economics (BA), Bielefeld University
  • 2004 Master of Arts in Economics, University of Georgia, Athens (USA)
  • 2007 Diploma in Mathematics and Economics (MA), Bielefeld University
  • 2010 PhD in Economics (Dr.rer.pol.), Bielefeld University
  • since 2010 Assistant Professor (J.-Prof.), Bielefeld University

Research Interests: Game Theory, Network Formation, Evolution and Learning in Games

J-Prof Hellmann's Homepage

 

Prof. Dr. Frank Riedel (Profile Coordinator Finance)

Prof. Riedel obtained a Ph.D. at Humboldt University in 1998. The doctoral thesis won the Humboldt prize. Afterwards, he was Assistant Professor at Humboldt University until 2002, when he went to UC Berkeley as a Postdoc. He then was Feodor-Lynen-Fellow at Stanford University before becoming Professor at Bonn University. He joined the Center for  Mathematical Economics in 2007. His coauthors include Mathematicians, Biologists, and Linguists. Prof. Riedel has published articles in renowned journals in Economics, Mathematics, and Biology.

Research Interests: Mathematical Finance, General Equilibrium Theory, Evolutionary Game Theory, Applications in Biology and Linguistics

Prof. Riedel's Homepage

 

J-Prof. Dr. Jan-Henrik Steg

 Academic curriculum vitae

  • 2005 Diploma in Business Engineering and Economics, Karlsruhe Institute of Technology, following studies in Karlsruhe and Lausanne, CH
  • 2010 PhD in Economics, Bielefeld University, following PhD studies in Bielefeld and at University of Paris 1)
  • 2010 Postdoctoral Researcher, Center for Mathematical Economics, Bielefeld University
  • 2011 Assistant Professor, Center for Mathematical Economics, Bielefeld University

Research Interests: Dynamic Game Theory, Strategic Investment under Uncertainty, Stochastic Optimal Control

 

Prof. em. Dr. Walter Trockel

 

Prof. Dr. Walter Trockel earned his doctoral degree at the University of Bonn. After stays as visiting scholar in Berkeley in 1973/74 and in spring 1981 he moved to Bielefeld University in 1984 where he held the former chair of Reinhard Selten at the Center for Mathematical Economics (IMW) from 1985 till 2012. He had acted as the director of the IMW from 2002 to 2009.Trockel is managing editor of the Springer Lecture Notes in Economics and Mathematical Systems and is and has been associate editor of several international journals. He is a scientific member of the International Advisory Board of the School of Business and Economics of Maastricht University, member of the Board of the Society of Economic Design and of Shandong University´s Research Center of Games and Economic Behavior (RCGEB). Istanbul Bilgi University Trockel, who has published numerous articles in renowned journals of Economics and Mathematics, is an Economic Theory Fellow ,a Fellow of the Murat Sertel Center for Advanced Economic Studies and acts presently as a part time Full Professor at Istanbul Bilgi University.

Research Interests: Mechanism Design, Game Theory, General Equilibrium Theory, Decision Theory, Social Choice and Welfare

Prof. Trockel's Homepage

 

J-Prof. Dr. Hale Utar

J-Prof. Dr. Utar obtained her PhD in economics from Pennsylvania State University (Penn State) in 2006.  Before coming to the University of Bielefeld, she worked as an Assistant Professor at the Department of Economics at University of Colorado, Boulder. Her fields of specialization are International Trade and Industrial Organization.

Research Interests: Microeconomic Impacts of Globalization, International Competition, Trade Impact on Firms and Labor, Trade and Innovation, Market Openness, Technology and Knowledge Transfer between Firms in the Global Markets, Productivity

J-Prof. Dr. Utar’s homepage

 

Prof. Dr. Gerald Willmann

Gerald Willmann obtained a PhD in economics from Stanford University in 2000.  Before coming to the University of Bielefeld, he was junior faculty at the University of Kiel and associate professor at the Katholieke Universiteit Leuven.

Research Interests: International Trade, Political Economy, and Economic Integration.

Prof. Willmanns's Homepage

 

J-Prof. Dr. Anna Zaharieva

Dr. Anna Zaharieva obtained her doctorate in Quantitative Economics at the University of Konstanz in the year 2010. Earlier in 2008 she had completed her doctoral studies in Mathematical Finance at the Russian Plekhanov Academy of Economics. In the year 2010 she was appointed as a postdoctoral fellow at the University of Bielefeld.

Research Interests: Labour Economics, Search Theory, Labour Econometrics, Contract Theory

 

 

Management

Please click on the names to find out more about the members of the BIGSEM.

Prof. Dr. Matthias Amen

Prof. Dr. Matthias Amen worked in industry before starting his academic carrier. He was member of universities in Paderborn, Passau, Berne (Switzerland), Duisburg-Essen and Eichstätt-Ingolstadt. He obtained his doctoral degree at the University of Passau with a dissertation on combinatorial optimization in cost-oriented assembly line balancing. For several years he worked parallel at university and at the transaction advisory services of one of the big international auditing companies where he specialized in restructuring and valuation. He attained the habilitation at University of Duisburg-Essen with a thesis on simulation analysis of international accounting for pensions. Since 2008 he is professor for quantitative accounting and financial reporting at Bielefeld University.

Research Interests: Complex topics in Financial Reporting, Valuation & Business Analysis, Quantitative Methods in Managerial & Financial Accounting, Planning & Operations Management

J-Prof. Dr. Nicola Bilstein

J-Prof. Dr. Nicola Bilstein received her doctoral degree from the Catholic University of Eichstaett-Ingolstadt and her B.A. and M.A. in International Business Studies from the University of Paderborn. Before joining Bielefeld University, she has been principal investigator of the research project “Consequences of customer co-production in reactive and proactive service recovery” funded by the German Research Foundation (DFG). Nicola Bilstein received the ASU CSL/Liam Glynn Research Scholarship Award, and was awarded First Runner-Up in the Fisher IMS and AMA SERVSIG Dissertation Proposal Competition. Moreover, she received a fellowship from the “DAAD - German Academic Exchange Service” for Ph.D. research as support for her research stay as a visiting doctoral student at The Ohio State University’s Fisher College of Business. Her work has been published, e.g., in the Journal of the Academy of Marketing Science, Journal of Service Management, and Zeitschrift für Betriebswirtschaft as well as in proceedings, and edited book chapters.   

Research Interests: Management of Smart Products and Services, Customer Participation in Services, Complaint Management and Service Recovery, Social Media, Bystander Phenomena.

J-Prof. Bilstein's Homepage

 

Prof. Dr. Thomas Braun

Prof. Dr. Thomas Braun acquired a deep knowledge in economics and business administration by majoring in both subjects. He was a member of the Universities of Mainz, Bonn, Frankfurt, and Passau and completed his dissertation on risk management with options and futures at the University of Passau in 1989. In 1997, Prof. Braun was appointed professor at Bielefeld University. His teaching focuses mainly on lectures and seminars in finance.

Research Interests: Asset Management, Risk Management, Information-Economic Aspects of Financing Decisions, Capital Market Theory, Real Options.

Prof. Dr. Reinhold Decker

Prof. Dr. Reinhold Decker majored in industrial engineering with specializations in operations research and computer science. He completed his doctoral studies with a thesis on the "Analysis and simulation of buying behavior in consumer goods markets" at the University of Karlsruhe in 1993. Prof. Decker was a faculty member in Karlsruhe and visiting professor at the University of Vienna before joining the Department of Economics and Business Administration in 1997. He is actively involved in several research and technology transfer activities at Bielefeld University.

Research Interests: Modelling of Purchases and Consumer Behaviour, Quantitative Methods of Marketing Research, Computer-Based Support of Decision-Making in Marketing, Market Research and Retail Trade, Neural Networks in Market Research, Competition Analysis by Means of Rank-Coded Data, Data Mining in Marketing

 

Prof. Dr. Christina Hoon

Prof. Dr. Christina Hoon obtained her doctoral degree from Leibniz University Hannover. She joined Bielefeld University in 2015, and holds the chair of Family Business. As a lecturer, she is present in various forms of teaching and offers seminars and workshops around the topic of family businesses.

Research Interests: Succession, Family Business Governance, Strategy, Leadership in Family Companies and Human Resource Management in Family Businesses

Prof. Dr. Hermann Jahnke

Prior to joining the Business Administration and Economics Department at Bielefeld University in 1995, Hermann Jahnke was visiting professor at the University of the German Federal Armed Forces in Hamburg and professor for Business Administration at Cologne University. He completed his Habilitation in Operations Management at the Institute for Logistics & Transport and his PhD at the Institute for Statistics and Econometrics, both at Hamburg University. He has published a number of articles in international journals including Decision Sciences, the European Journal of Operational Research, Computers & OR, the International Journal of Production Economics, and the Journal of Mathematical Modelling and Algorithms.

Research Interests: Managerial Information and Accounting Instruments; Decision Theory; Management of Industrial Services; Supply Chain Management; Lotsizing and Scheduling Problems.

Prof. Dr. Rolf König

Prof. Dr. Rolf König majored in mathematics and computer science and completed his doctoral studies in 1989 at the University of Bonn. He was a faculty member at the University of Augsburg and appointed professor at Bielefeld University in 1995. Prof. König is the author of numerous articles and several books.

Research Interests: Capital Market Theory, Taxation of Companies, Tax and Capital Market Values of Companies, Taxation of Gains from Shares, Taxes and Investments

Prof. Dr. Christian Stummer (Profile Coordinator Management)

Prof. Dr. Christian Stummer received his doctoral degree from the University of Vienna where he held the position of an associate professor before joining Bielefeld University in 2010. He also served as the head of a research group at the Electronic Commerce Competence Center in Vienna and made professional experiences as a visiting professor at the University of Texas at San Antonio. His research has been widely published in various internationally renowned scientific journals mostly from the fields of Business Administration, Information Technology, and/or Operations Research.

Research Interests: Innovation and Technology Management, Multiobjective Portfolio Analysis, Interactive Decision Support, Agent-based Simulation of Diffusion Processes

Prof. Dr. Kevin Tierney

Prof. Dr. Kevin Tierney joined Bielefeld University in April, 2018 and holds the chair of Decision and Operation Technologies. Previously, he was an Assistant Professor at Paderborn University. He earned his PhD from the IT University of Copenhagen in 2013, has a Masters degree in Computer Science from Brown University and a Bachelors degree in Computer Science from Rochester Institute of Technology. His research focuses on optimization and decision support methods and applications in the area of maritime logistics, as well as techniques for combining machine learning and optimization.

Research Interests: Operations Research, Mixed-integer Linear Programming, Decision Support, Metaheuristics, Machine Learning, Optimization, Maritime Logistics

Prof. Tierney's Homepage

Quantitative Methods

Please click on the names to find out more about the members of the BIGSEM.

Prof. Dr. Dietmar Bauer

Prof. Dr. Dietmar Bauer obtained his PhD in Applied Mathematics from the TU Wien, Austria, in 1998. After several postdoc positions (including Newcastle University, Australia, Linköping, Sweden, and Yale, USA) he returned to the TU Wien and received the Habilitation in econometrics. In 2005 he joined the Austrian Institute of Technology to work as a statistician in transportation science. Since 2014 he holds the chair in econometrics at Bielefeld university.

Research Interests: Time Series Econometrics; Discrete Choice Modeling; Transportation Science.

Prof. Dr. Roland Langrock

After completing his doctoral degree in Economics at the University of Göttingen in 2011, Prof. Dr. Roland Langrock was a member of the School of Mathematics and Statistics at the University of St Andrews, initially as a postdoc and from 2013 as a lecturer. Since 2015, he is a full professor of statistics and data analysis at Bielefeld University. In 2016, he received the Karl-Peter-Grotemeyer prize for outstanding achievements and personal engagement in teaching. In his research, Prof. Langrock focuses on statistical method development as well as applications primarily in ecology and in economics. He has published in leading statistics journals such as the Journal of the American Statistical Association, Biometrics, and Statistics in Medicine.

Research Interests: Hidden Markov Models, nonparametric Methods, Model Selection, Statistical Ecology, Financial Time Series, Sports Analytics

Prof. Langrock's Homepage

 

 

News

Defense

BiGSEM student Ashenafi Teshome Guta will defend his doctoral thesis. It will take place in V10-122 at 2:30 pm on Wednesday October 16.

BiGSEM happily welcomes new BiGSEM students:

Ms. Birgül Akar,
Mr. Gerrit Bauch,
Ms. Larissa Pethig,
Ms. Melina Schleef,

and one of the new BiGSEM students is starting his doctoral work in the EDEEM program at Bielefeld University:

Mr. Alexandre Carrier;

We wish our new students a good start and much success with their academic program!

BiGSEM Workshop Deadline

The submission deadline for the 14th BiGSEM doctoral workshop has been extended to Sep. 15. For submission, please fill out the online form and upload your paper or extended abstracthttps://forms.gle/y5fXq3xNrTNHf8KE7

DFH Funding

Congratulations! Zhaojun Xing successfully applied for funding for his "Cotutelle de thèse" from the DFH.

Philip Bergmann

Philip Bergmann successfully defended his thesis on "Essays on Energy in Macroeconomic Models".

Congratulations!

Niklas Herzig

Niklas Herzig successfully defended his thesis on "Essays on Firms in the Globalized World".

Congratulations!

Defense

BiGSEM student, Philip Bergmann, will defend his doctoral  thesis. It will take place on Wednesday July 10 at 2 pm in U3-140.

Second ExSIDE Jamboree

The second ExSIDE Jamboree took place at Louvain-La-Neuve, Belgium, on June 17-19. Six BiGSEM/ExSIDE students discussed and gave a talk in their field of research. The event was accompanied by courses about methodological issues helping the doctoral students during their PhD. Afterwards, everybody returned home with new ideas and concepts.

New Doctoral Representative

The BiGSEM-students have hold their vote on the new doctoral representative. Jasper Hepp got elected and is from now on acting as a conduit between the doctoral students and the program administration. Congratulations!

EDEEM Doctoral Summer Workshop

The members of the EDEEM program organize a Summer School with contributions in any area of theoretical and applied economics/econometrics. The "EDEEM Doctoral Summer Workshop in Economics" will be held at the Department of Economics of Ca' Foscari University of Venice in the date of 13-14 June 2019. For more information please visit https://edeem.github.io/#top

IMW Summer School

The IMW (Center for Mathematical Economics Bielefeld University) organizes a Summer School on "Equilibria in Financial Markets: General Equilibrium and Game Theoretic Perspective" to be held at Bielefeld University in the week July 08 - July 12, 2019. For more information please visit http://www.uni-bielefeld.de/(en)/imw/summerschool19/

Bielefeld-Amsterdam Fellowship

A special funding opportunity for a project with mobility Bielefeld-Amsterdam is available in 2019
More information...

Lasha Chochua

Lasha Chochua successfully defended his thesis on "Essays in International Trade Policy and Social Choice under Ambiguity"

Congratulations!

BiGSEM Workshop

The 13th BiGSEM Doctoral Workshop on Economic Theory took place at Bielefeld University earlier this week. The annual event is entirely organized by doctoral students for doctoral students. Out of a pool of applications, sixteen speakers where invited to talk about their research in various fields of theoretical economics. All of these talks took place in the plenary hall of the Center for Interdisciplinary Research amidst the green of the Teutoburg Forest. Afterwards, everybody returned home with new ideas and concepts. Pictures