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Balancing Samples in Stated Preference Studies
Balancing Samples in Stated Preference Studies
Abstract: There is a growing interest in quantifying the degree of heterogeneity in stated preferences for health. A popular investigation into preference heterogeneity involves split-sample analysis to make comparisons across subgroups. However, subgroups may differ in many observed characteristics and not accounting for these other characteristics may bias comparisons if these are also associated with …