Between 1960 and 1997, life expectancy at birth of Americans increased approximately 10% G from 69.7 to 76.5 years G and it has been estimated that the value of life extension during this period nearly equaled the gains in tangible consumption. While life expectancy has tended to increase, there...

Between 1960 and 1997, life expectancy at birth of Americans increased approximately 10% - from 69,7 to 76,5 years - and it has been estimated that the value of life extension during this period nearly equaled the gains in tangible consumption. While life expectancy has tended to increase, there...