Formulation
The mathematical expression for the Life-Quality Index L is:
showing the LQI, L as a power function of E, the health-adjusted life expectancy (HALE) at birth and G, the Gross Domestic Product (GDP) per person. The parameter K is a constant based on time budget studies available for many countries. K is approximately equal to 5.0 for developed nations (Rackwitz 2005, Pandey et al. 2006).
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