This article documents the influence of categorical attributes on choice context effects. We demonstrate that the asymmetric dominance effect is attenuated by the introduction of a unique categorical feature in the competing option, while the tendency to prefer a middle option is not...

Two different willingness-to-pay responses are compared-willingness to pay to avoid loss of air quality and willingness to pay to obtain gains in air quality. Contingent valuation data were used to estimate bid functions for these two types of responses for visibility and health. Comparison of...