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Measuring constructed preferences : towards a building code
Payne, John W., (1999)
How People Respond to Contingent Valuation Questions: A Verbal Protocol Analysis of Willingness to Pay for an Environmental Regulation
Schkade, David A., (1994)
How people respond to contingent valuation questions : a verbal protocol analysis of willingness to pay for an environmental regulation
Schkade, David, (1994)