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Equilibrium Modeling
Provider: Faculty of Science

Activity no.: 5001-19-07-33 
Enrollment deadline: 22/07/2019
PlaceDepartment of Mathematical Sciences
Universitetsparken 5, 2100 København Ø
Date and time22.07.2019, at: 09:00 - 26.07.2019, at: 16:00
Regular seats30
ECTS credits2.50
Contact personNina Weisse    E-mail address: weisse@math.ku.dk
Enrolment Handling/Course OrganiserTrine Krogh Boomsma    E-mail address: trine@math.ku.dk
Written languageEnglish
Teaching languageEnglish
Criteria for exam assessmentFor course credit, student projects must be handed in and approved.
Course workload
Course workload categoryHours
Preparation / Self-Study40.00
Course hours25.00
Sum65.00
Content
The modeling of equilibrium is crucial for the understanding of many real-world phenomena, e.g. functioning of energy markets and congestion in traffic networks. As a result, equilibrium problems arise in numerous areas of engineering and economics. This course will introduce the state-of-the-art concepts of equilibrium problems, including applications in nonlinear programming and game theory and a number of applications in energy and transportation.

The curriculum covers both one-level equilibrium problems expressed as mixed complementarity problems (MCP’s) and variational inequalities (VI’s), and two-level equilibrium problems, expressed as mathematical programs with equilibrium constraints (MPECs).

Schedule
Day 1: Review of nonlinear programming. The Karush-Kuhn-Tucker optimality conditions and mixed complementarity problems.
Days 2-3: Mixed complementarity problems: Source problems, connections to optimization, game theory.
Day 4: Two-level optimization problems and mathematical programs with equilibrium constraints (MPECs).
Day 5: Discussion of course project and assistance with model formulations, data, etc.

Formel requirements
Prerequisites: A graduate-level course in optimization, e.g. OR2. Some exposure to the GAMS software is preferred.

Learning outcome
The students will become well acquainted with the theory of equilibrium problems and a wide range of applications. Furthermore, they will reinforce the theoretical concepts through hands-on modeling and implementation exercises. By the end of the course, they will be able to independently characterize, formulate, solve and analyze real-world equilibrium problems.

Literature

Excerpts of literature 

  1. S.A. Gabriel, A.J. Conejo, J.D. Fuller, B.F. Hobbs, C. Ruiz. 2013. Complementarity Modeling in Energy Markets, Springer.
  2. F. Facchinei and J.-S. Pang. 2007. Finite-dimensional Variational Inequalities and Complementarity Problems, Springer
  3. P. T. Harker and J. S. Pang. 1990. “Finite-dimensional variational inequality and nonlinear complementarity problems: a survey of theory, algorithms, and applications,” Mathematical Programming, 48, 161-220.
  4. M. C. Ferris and J. S. Pang. 1997. “Engineering and economic applications of complementarity problems,” SIAM Review, vol. 39, No.4, 669-713.
  5. B. H. Ahn, and W. W. Hogan. 1982. “On convergence of the PIES algorithm for computing equilibria,” Operations Research, 30, 281-300.
  6. S. A. Gabriel, A. S. Kydes, P. Whitman, 2001. "The National Energy Modeling System: A Large-Scale Energy-Economic Equilibrium Model," Operations Research, 49 (1), 14-25.
  7. S. A. Gabriel, S. Kiet, J. Zhuang, 2005. "A Mixed Complementarity-Based Equilibrium Model of Natural Gas Markets", Operations Research, 53(5), 799-818.
  8. H. Z. Aashtiani and T. Magnanti, 1981. “Equilibria on a Congested Transportation Network,” SIAM Journal on Algebraic and Discrete Methods, 2, 213-226.
  9. T. L. Friesz, 1985. “Transportation Network Equilibrium, Design, and Aggregation: Key Developments and Research Opportunities,'” Transportation Research A, 19A, 413-427. 10. S. A. Gabriel and D. Bernstein, 1997. “The traffic equilibrium problem with nonadditive costs,” Transportation Science, 31, 337-348.

Teaching and learning methods
Preparation and self-study, lectures, exercises (including modeling and implementation), in-class discussion of student projects.

Lecturers
Steven A. Gabriel (www.stevenagabriel.umd.edu), University of Maryland, Full Professor, Dept. of Mechanical Engineering, enme.umd.edu and Full Professor, Applied Math & Statistics, & Scientific Computation Program, amsc.umd.edu.

Other Appointments include Adjunct Professor, Dept. of Industrial Economics and Technology Management, Norwegian University of Science and Technology, Trondheim, Norway, ntnu.edu/iot, Energy Transition Programme, https://www.ntnu.edu/energytransition and Research Professor, DIW (German Institute for Economic Research), Berlin.

The lecturer is an internationally leading expert within optimization and equilibrium/game theory, algorithmic development and applications in energy, environmental issues, transportation and other networks, as also evidenced by his long list of publications in the most prominent academic journals of the area.

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