Andersson, Henrik and Svensson, Mikael (2008) Cognitive Ability and Scale Bias in the Contingent Valuation Method. Environmental and Resource Economics, 39 (4). pp. 481-495.
and Svensson, Mikael
(2008)
Cognitive Ability and Scale Bias in the Contingent Valuation Method.
Environmental and Resource Economics, 39 (4).
pp. 481-495.