Stated preference analyses commonly impose strong and unrealistic assumptions in response to spatial welfare heterogeneity. These include spatial homogeneity or continuous distance decay. Despite their ubiquity in the valuation literature, global assumptions such as these have been increasingly...

Stated preference surveys often provide ambiguous descriptions of ecological commodities, yielding welfare estimates that have unclear interpretations and cannot be linked to measurable outcomes. This paper proposes guidelines to promote ecological content validity in survey scenarios and...

Stated preference surveys often give minimal attention to distinctions between intermediate and final ecosystem services, leading to the potential for welfare estimates that overlook, misrepresent or double count associated values. This paper illustrates potential mechanisms through which...