On correcting the concentration index for binary variables
Kjellsson G and Gerdtham U-G
Journal of Health Economics 2013; 32(3): 659-670
DOI: 10.1016/j.jhealeco.2012.10.012
Journal of Health Economics 2013; 32(3): 659-670
DOI: 10.1016/j.jhealeco.2012.10.012