Hypothetical bias in choice experiments: Within versus between subject tests

• A choice experiment eliciting environmental values is set up in order to test for hypothetical bias based on both within and between sample designs. A larger hypothetical bias was found in the latter case, which explains parts of the previous diverging results in the literature. People seem to prefer to do what they say they would do.

Keyword

Stated-preference methods

choice experiment

hypothetical bias

internal consistency

non-market valuation

JEL-classification: C91

Q28

Publication and Content Type

vet (subject category)

rap (subject category)