Elicitation format and part-whole bias : do contingent valuation and contingent ranking give the same result? /
by Vivien Foster, Susana Mourato.
- Norwich : Centre for Social and Economic Research on the Global Environment, 1999.
- 45p.
- CSERGE working paper, GEC 99-17 0967-8875 ; .
- CSERGE working paper, GEC 99-17 .