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Conducting economic valuation surveys during extreme events

There is no guidance on how to deal with the effects of catastrophic events, like the COVID-19 pandemic, on stated preference survey responses; despite the possible impact, such events can have on stated values and survey responses. This paper provides a concise analysis of the likely effects of extreme events on stated preference surveys, focusing on the validity and temporal stability of estimated values, and offers a set of recommendations. These recommendations can also be of use for designing other types of household and individual surveys, beyond economic valuation surveys.