The “fixed-prices” models used to measure damages from invasive species typically overestimate financial impacts. These fixed-price assessments do not address key behavioral modifications that lower costs as people adapt by changing their mix of inputs and outputs given new economic...

A survey was designed to elicit donations for delaying inevitable aquatic invasions of inland water bodies within a respondent's region. Surveys were distributed throughout the United States. Assuming all aquatic species groups invade simultaneously, our results suggest that the average person...