Nevertheless, the use of indices as a form of multidimensional poverty measurement is heavily debated,25 because aggregating various dimensions of poverty into one index involves a risk of losing valuable information on the multidimensionality of poverty. As Bourguignon and Chakravarty (2003) have pointed out, aggregating various attributes into a single index essentially implies reducing multidimensional poverty into a one-dimensional concept. They underline that a multidimensional approach to poverty ought to define poverty as a shortfall from a threshold on each dimension of an individual's well-being. To focus on the multidimensionality of poverty, they suggest establishing a poverty line for each dimension and to consider that a person is poor if he/she falls below at least one of these various lines (Bourguignon, Chakravarty, 2003).