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Responses elicited by means of contingent valuation are often expressed in numerical forms termed “prominent numbers”, characterised by inexactness. This might arise because subjects find exactness in response unnecessary or valuation tasks intrinsically difficult. It has been suggested that the provision of numerical cues could influence the ease of completion of the valuation task, and thus its...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.