Using STATA to run logit models using data from Choice Experiment with opt-out option included. How does one test for validity of IIA assumption?

Cheryl J. Wachenheim @Cheryl-Wachenheim

31 July 2022 1 6K Report

Using STATA to run logit models using data from Choice Experiment.

1.Which models (e.g., conditional logit) assume IIA?

2. How does one test for IIA in STATA?

Thanks. Cheryl.

Anwesha Chakrabarti

Hi Cheryl,

Look for the command "hausman" in STATA. You would run your logit models, store the results (e.g.; m1 and m2) of the logit models and then use the command hausman (something like hausman m1 m2) to test for IIA.

Hope this helps,

Anwesha

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