This study is aimed to estimate the value of the change in health observed in Catalonia, from 1994
to 2002. Quality-adjusted years of life (QALYs) and years of life (YOL) for genders and different
ages were calculated and then transformed in monetary values. Our results shown that the health
capital stock has diminished from 1994 to 2002 due to a worsening in the quality of life of the
population. Different estimation procedures have been applied for revealing relevant variables that
help to explain this negative result