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Statistics and Data Analysis Group

Group photo
© Universität Bielefeld

Dr. David Winkelmann

Dr. David Winkelmann
© David Winkelmann

Postdoctoral research associate

Room: U9-128
Phone: +49 521 106-3931
E-mail: david.winkelmann@uni-bielefeld.de

CV

  • Bachelor's Degree in Business Administration and Economics (10/2013-09/2016), Bielefeld University
  • Master's Degree in Business Administration and Economics (10/2016-03/2019), Bielefeld University
  • Academic Associate Public Relations/Statistics, Stadt Bielefeld (11/2018-06/2019)
  • Research Assistant Chair for Operations Management and Management Accounting, Bielefeld University (06/2019-08/2024)
  • Assistant to the Dean of Studies, Bielefeld University (09/2019-08/2023)
  • Internship Operations Development, REWE Digital GmbH, Cologne (01/2020-06/2020)
  • Research Assistant 'Decision Analytics' Group, Bielefeld University (01/2022-08/2023)
  • Data Scientist Analytics, REWE Group, Cologne (02/2024-08/2024)
  • Postdoc in the Statistics and Data Analysis Group (since 09/2024)
  • Postdoc at Chair V - Sport and Economics, Faculty of Psychology and Sports Science (since 09/2024)
  • Board Member 'Förderverein der Fachschaft der Fakultät für Wirtschaftswissenschaften an der Universität Bielefeld' (06/2017-06/2023)
  • Speaker of the academic mid-level of the Department for Business Administration and Economics at Bielefeld University (08/2021-07/2025)
  • Reviewer for the European Journal of Operational Research (EJOR), OR Spectrum, the Journal of Business Economics (JBE), the International Journal of Sports Finance (IJSF), and the Journal of Sports Economics (JSE)

Papers

Talks and Presentations

  • "Discounted sales of expiring groceries: The challenge of forecasting demand'', International Annual Meeting of the German OR Society, Bielefeld

  • Are inefficient odds within in-play markets profitable for bookmakers?'', 16th (XVI) ESEA Conference on Sport Economics 2025, Innsbruck (Austria)

  • "Detecting match-fixing in professional soccer: The potential of in-game betting data", 100th Annual Conference of the Western Economic Association International, June 2025, San Francisco
  • "Detecting match-fixing in professional football: The potential of in-game betting data", 11th MathSport International Conference, June 2025, Luxembourg
  • "Anticipating goals: Analyzing bookmaker and bettor behavior in German soccer", 51st Annual Conference of the Eastern Economic Association, February 2025, New York City
  • "Integrated storage assignment for an E-grocery fulfilment centre: Dealing with day-of-week demand variation", International Workshop on Supply Chain Resilience: Connecting Theory with Real-World Solutions, November 2024, Berlin
  • "Subscription-Based Inventory Planning for E-Grocery Retailing", 66th Annual Conference of the OR Society (OR66), September 2024, Bangor
  • "Subscription-Based Inventory Planning for E-Grocery Retailing", International Annual Meeting of the German OR Society, September 2024, Munich
  • "Momentum Effects in Team Sports: Analysing the Interaction between Offence and Defence in the NBA", 33rd European Conference on Operational Research (EURO), July 2024, Copenhagen
  • "Subscription-Based Inventory Planning for E-Grocery Retailing", BiGSEM Management Colloquium, May 2024, Bielefeld
  • "Prescriptive Analytics for Selected Problems in E-Grocery Logistics", 25. PhD Workshop North-East, May 2024, Lutherstadt Wittenberg
  • "Business Analytics for Logistics Operations in E-Grocery Retailing", Colloquium of the Turkish-German University, March 2024, Istanbul
  • "Subscription-Based Models for Maximising Profitability in E-Grocery Retailing", 65th Annual Conference of the OR Society (OR65), September 2023, Bath
  • "Momentum Effects in Team Sports: Analysing the Interaction of Offence and Defence in the NBA", Workshop of the Centre for Statistics, September 2023, Bielefeld
  • "Integrated Storage Assignment for an E-Grocery Fulfilment Centre", International Annual Meeting of the German OR Society, August 2023, Hamburg
  • "Optimising Replenishment Order Quantities in E-Grocery Retailing", The 23rd Conference of the International Federation of Operational Research Societies, July 2023, Santiago de Chile
  • "Efficiency of betting markets in European football: Evidence from simulations and real data", 10th MathSport International Conference, June 2023, Budapest
  • "Integrated and Robust Storage Assignment: An E-Grocery Retailing Business Case", Statistics Seminar Series, October 2022, Bielefeld
  • "Capacitated Vehicle Routing with Stochastic Loading Constraints", 106th Meeting of the GOR Working Group “Practice of Mathematical Optimization”, October 2022, Berlin
  • "Storage Location Assignment with Varying Demand Patterns: An E-Grocery Retailing Business Case", 64th Annual Conference of the OR Society (OR64), September 2022, Warwick
  • "A Bayesian Approach for Analysing Player-Heterogeneity in the Hot Hand", 9th MathSport International Conference, July 2022, Reading
  • "Capacitated Vehicle Routing with Stochastic Loading Constraints", 32nd European Conference on Operational Research (EURO), July 2022, Espoo
  • "Dynamic Stochastic Inventory Management in E-Grocery Retailing", 3rd Workshop on Value of Information and Further Advancements, June 2022, Oldenburg
  • "Storage Location Assignment with Varying Demand Patterns: An E-Grocery Retailing Business Case", 16th Learning and Intelligent Optimization Conference, June 2022, Milos
  • "E-grocery distribution logistics: The storage location assignment problem", Joint ALIO/EURO International Conference 2021-2022 on Applied Combinatorial Optimization, April 2022, Vina del Mar
  • "Capacitated vehicle routing with stochastic loading constraints",  Workshop of the Centre for Statistics, March 2022, Bielefeld
  • "Dynamic stochastic inventory management in e-grocery retailing", INFORMS, October 2021, Anaheim (online)
  • "Dynamic Stochastic Inventory Management: An E-Grocery Case Study", 63th Annual Conference of the OR Society (OR63), September 2021, Southampton (online)
  • "Dynamic stochastic inventory management in e-grocery retailing", Workshop of the Centre for Statistics, July 2021, Bielefeld
  • "Are European Football Betting Markets Inefficient? -- An Analysis using Monte Carlo Simulations", 8th MathSport International (online), June 2021, Reading, UK (video available at https://www.youtube.com/watch?v=G5Rzxffj4_M)
  • "Can we beat the market? - Long-term betting strategies in European football", Statistics Seminar Series (online), Bielefeld, November 2020
  • "An empirical analysis of the hot hand effect in shooting sports", Statistics Seminar Series, April 2019, Bielefeld

Teaching

  • POM 1 - Logistics (lecture; Master of Science)
  • POM 2 - Sequencing und Scheduling (lecture; Master of Science)
  • POM 3 - Simulating POM Models (lecture and colloquium; Master of Science)
  • Decision Analytics Project (seminar; Master of Science)
  • Seminar on Managerial Accounting, Supply Chain Management and Logistics (Bachelor of Science)
  • Supervision of Bachelor's and Master's theses
  • Tutorials on Statistics I, Statistics II, Applied Statistics, and Game Theory
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