Datta Gupta, Nabanita; Kristensen, Nicolai; Pozzoli, Dario - Institute for the Study of Labor (IZA) - 2009
Cross-country comparisons of subjective assessments are rendered difficult if not impossible because of sub-population specific response style. To correct for this, the use of vignettes has become increasingly popular, notably within cross-country health studies. However, the validity of...