Mexico has many major problems such as corruption, poverty, illiteracy, unemployment, pollution, etc. Regarding pollution, politicians have established some programs trying to improve air quality in Mexico. But they do not know if Mexicans care about air pollution or they prefer that government...

Die Arbeit untersucht in drei experimentellen Studien mit induzierten Präferenzen, wie präzise Contingent Valuation, Discrete Choice- und Conjoint Analyse unter verschiedenen Bedingungen die Zahlungsbereitschaften für Umweltgüter erfassen. Die Studienergebnisse bieten Orientierung bei der...

When data on actual choices are not available, researchers studying preferences sometimes pose choice scenarios and ask respondents to state the actions they would choose if they were to face these scenarios. The data on stated choices are then used to estimate random utility models, as if they...

The modified logit model (Amemiya and Nold, 1975) is generalised to the case where the error term is autocorrelated. The asymptotic distribution (as n →∞ and T →∞) of a feasible GLS estimator of β is derived. Tests of linear restrictions on β and the significance of ρ are presented....