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Printable Handouts
Navigable Slide Index
- Introduction
- Source of volume and cannibalization
- Product and line optimization questions
- Quick definitions
- Red bus / blue bus example
- What is IID? and IIA?
- Variables we measure and variables we don't
- We know IIA/IID gets source-of-volume wrong
- When should we care about substitution patterns?
- Is it really a problem?
- Source of volume calculations
- Cannibalization = Preference
- Haven't we solved this one?
- How do you "handle" IIA in your choice models?
- Simulating preference shares: state-of-the-art
- What does proportional substitution look like?
- We have a problem
- Industry survey: how do current methods do?
- What do we need?
- The SoV Probit (1)
- A very brief introduction to Probit models
- Why should I care about correlated errors? (1)
- Why should I care about correlated errors? (2)
- Why aren't we all using Probit models?
- The SoV Probit (2)
- A structured covariance Probit
- Distance metric 1
- Distance metric 2
- Distance metric 3
- Distance metric 4
- Choice experiment
- Example conjoint task
- Model fit statistics
- Parameter estimates
- WTP comparison
- Representative correlation matrix
- Does it work? - For a representative individual
- Does it work? - For a heterogeneous population
- Success
- Summary and implications
- Thank you!
Topics Covered
- Source of volume and cannibalization
- Product and line optimization questions
- Quick definitions
- Red bus / blue bus example
- What is IID? and IIA?
- We know IIA/IID gets source-of-volume wrong
- When should we care about substitution patterns?
- Source of volume calculations
- Cannibalization = Preference
- How do you "handle" IIA in your choice models?
- Simulating preference shares: state-of-the-art
- What does proportional substitution look like?
- Industry survey: how do current methods do?
- The SoV Probit
- Why should I care about correlated errors?
- Why aren't we all using Probit models?
- A structured covariance Probit
- Distance metrics
- Choice experiment
- Model fit statistics
- Parameter estimates
- WTP comparison
- Representative correlation matrix
- Does it work?
Talk Citation
Brazell, J. (2010, March 16). The SoV Probit [Video file]. In The Business & Management Collection, Henry Stewart Talks. Retrieved December 12, 2024, from https://doi.org/10.69645/HZLB6912.Export Citation (RIS)