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Phd Defense
- 4. Competitive Location Models & Consumer Spatial Behaviour
- 5. Competitive Location Models & Consumer Spatial Behaviour Optimisation Models and an Agent-Based Approach
- 13. Motivation & Challenges uncertainty
- 14. Motivation & Challenges uncertainty fish where the fish are
- 15. Motivation & Challenges uncertainty fish where the fish are complex consumer market
- 16. Motivation & Challenges uncertainty fish where the fish are complex consumer market extending location decision
- 17. Motivation & Challenges uncertainty foresight models fish where the fish are complex consumer market extending location decision
- 18. Motivation & Challenges uncertainty foresight models fish where trends consumer the fish are spatial behaviour complex consumer market extending location decision
- 19. Motivation & Challenges uncertainty foresight models fish where trends consumer the fish are spatial behaviour complex consumer agent-based approach market extending location decision
- 20. Motivation & Challenges uncertainty foresight models fish where trends consumer the fish are spatial behaviour complex consumer agent-based approach market extending location include price decision
- 21. Ch 1: Introduction optimization models Ch 2: Competitive location Ch 3: Consumer models with foresight spatial behavior location agent-based approach Ch 4: An ABM approach for location problems location & price Ch 5: Competitive location model with pricing Ch 6: An ABM approach for location problems with pricing Ch 7: Conclusions
- 22. Ch 1: Introduction optimization models Ch 2: Competitive location Ch 3: Consumer models with foresight spatial behavior location agent-based approach Ch 4: An ABM approach for location problems location & price Ch 5: Competitive location model with pricing Ch 6: An ABM approach for location problems with pricing Ch 7: Conclusions
- 23. Ch 1: Introduction optimization models Ch 2: Competitive location Ch 3: Consumer models with foresight spatial behavior location agent-based approach Ch 4: An ABM approach for location problems location & price Ch 5: Competitive location model with pricing Ch 6: An ABM approach for location problems with pricing Ch 7: Conclusions
- 25. Maxmin model
- 26. Minregret model
- 28. Computational results ! feasibility ! spatial characteristics ! number of facilities/budget
- 29. Pre-processing ! variable dropping ! variable substitution ! demand aggregation
- 32. Computational results ! optimality ! reduction of the model size ! speed up the solution times
- 33. Motivation & Challenges uncertainty foresight models fish where trends consumer the fish are spatial behaviour complex consumer agent-based approach market extending location include price decision
- 34. Ch 1: Introduction optimization models Ch 2: Competitive location Ch 3: Consumer models with foresight spatial behavior location agent-based approach Ch 4: An ABM approach for location problems location & price Ch 5: Competitive location model with pricing Ch 6: An ABM approach for location problems with pricing Ch 7: Conclusions
- 36. Consumer spatial behaviour ! traditional approaches ! new trends
- 37. 3 dimensions ! level of aggregation ! level of chance variation ! level of dynamism
- 38. 3 dimensions ! level of aggregation ut ion ! level of chance variation evol ! level of dynamism
- 39. Recent challenges ! Bounded rationality " cognitive map ! Complex environment " heterogeneity of consumers " non-homogeneity of goods " dynamism
- 42. Recent challenges ! Bounded rationality " cognitive map ! Complex environment " heterogeneity of consumers " non-homogeneity of goods " dynamism
- 44. Recent challenges ! Bounded rationality " cognitive map ! Complex environment " heterogeneity of consumers " non-homogeneity of goods " dynamism
- 47. Recent challenges ! Bounded rationality " cognitive map ! Complex environment " heterogeneity of consumers " non-homogeneity of goods " dynamism
- 50. Motivation & Challenges uncertainty foresight models fish where trends consumer the fish are spatial behaviour complex consumer agent-based approach market extending location include price decision
- 51. Ch 1: Introduction optimization models Ch 2: Competitive location Ch 3: Consumer models with foresight spatial behavior location agent-based approach Ch 4: An ABM approach for location problems location & price Ch 5: Competitive location model with pricing Ch 6: An ABM approach for location problems with pricing Ch 7: Conclusions
- 52. Goal • empirical understanding • normative understanding ! qualitative insight • methodological advancement
- 53. virtual world “An agent-based model is a comprising heterogeneous agents distributed who interact over time. spatial In a agent-based model the agents are situated in a spatial environment and are typically move assumed to be able to in various ways across this environment.” - Dibble, 2006 -
- 54. agents refer to ... “ data behavioural methods bundled & entity representing an constituting part of a computationally world” constructed - Tesfatsion, 2006 -
- 55. Conceptual model
- 59. Simulation ! decision making simulation ! solution quality assessing simulation
- 61. Motivation & Challenges uncertainty foresight models fish where trends consumer the fish are spatial behaviour complex consumer agent-based approach market extending location include price decision
- 62. Ch 1: Introduction optimization models Ch 2: Competitive location Ch 3: Consumer models with foresight spatial behavior location agent-based approach Ch 4: An ABM approach for location problems location & price Ch 5: Competitive location model with pricing Ch 6: An ABM approach for location problems with pricing Ch 7: Conclusions
- 64. Computational results ! optimality ! feasibility
- 65. Ch 1: Introduction optimization models Ch 2: Competitive location Ch 3: Consumer models with foresight spatial behavior location agent-based approach Ch 4: An ABM approach for location problems location & price Ch 5: Competitive location model with pricing Ch 6: An ABM approach for location problems with pricing Ch 7: Conclusions
- 67. Motivation & Challenges uncertainty foresight models fish where trends consumer the fish are spatial behaviour complex consumer agent-based approach market extending location include price decision
- 68. In summary uncertainty foresight models fish where trends consumer the fish are spatial behaviour complex consumer agent-based approach market extending location include price decision
- 71. Thank you! Illustrations Shutterstock.com except Prada Marfa by M. Astor, Mental Map by M. Dance, Delhaize by Delhaize, Delhaize City by me & Bazinga by Alaska Button Company