Shirley Cereseto|Howard Waitzkin
Economic development, political-economic system, and the physical quality of life.
study compared capitalist socialist countries measures physical quality life pql taking account level economic development world bank principal source statistical data 123 countries 97 per cent worlds population pql variables included indicators health health services nutrition infant mortality rate child death rate life expectancy population per physician population per nursing person daily per capita calorie supply measures education adult literacy rate enrollment secondary education enrollment higher education composite pql index capitalist countries fell across entire range economic development measured gross national product per capita socialist countries appeared lowincome lowermiddleincome uppermiddleincome levels pql measures improved economic development increased 28 30 comparisons countries similar levels economic development socialist countries showed favorable pql outcomes