Stated preference (SP) surveys have been conducted to value non-timber benefits from forests in Norway, Sweden and Finland for about 20 years.The paper first reviews the literature and summarises methodological traditions in SP research in the three countries.Second, a metaregression analysis is conducted explaining systematic variation in Willingness-to-Pay (WTP).Two important conclusions emerge, with relevance for future research: (1) WTP is found to be insensitive to the size of the forest, casting doubt on the use of simplified WTP/area measures for complex environmental goods; and (2) WTP tends to be higher if people are asked as individuals rather than on behalf of their household.
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