The impact of perceptions in averting-decision models: An application of the special regressor method to drinking water choices

Christophe Bontemps and Celine Nauges

No 14-537, TSE Working Papers from Toulouse School of Economics (TSE)

Abstract: Individuals are commonly surveyed about their perception or assessment of risk and these variables are often used to explain individuals’ actions to protect themselves against these risks. Perceptions appear as endogenous variables in traditional theoretical averting-decision models but, quite surprisingly, endogeneity of perceived risk is not always controlled for in empirical studies. In this article, we present different models that can be useful to the practitioner when estimating binary averting-decision models featuring an endogenous discrete variable (such as risk perception). In particular we compare the traditional bivariate probit model with the special regressor model, which is less well known and relies on a different set of assumptions. In the empirical illustration using household data from Australia, Canada, and France, we study how the perceived health impacts of tap water affect a household’s decision to drink water from the tap. Individuals’ perceptions are found to be endogenous and significant for all models, but the estimated marginal effect is sensitive to the model and underlying assumptions. The special regressor appears to be a valuable alternative to the more common bivariate probit model.

Keywords: Discrete choice; special regressor; endogeneity; water consumption (search for similar items in EconPapers)
JEL-codes: C14 C25 Q51 Q53 (search for similar items in EconPapers)
Date: 2014-11
New Economics Papers: this item is included in nep-agr and nep-dcm
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Related works:
Journal Article: The Impact of Perceptions in Averting-decision Models: An Application of the Special Regressor Method to Drinking Water Choices (2016)
Working Paper: The impact of perceptions in averting-decision models: An application of the special regressor method to drinking water choices (2016)
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Persistent link: https://EconPapers.repec.org/RePEc:tse:wpaper:28776

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