measured by the adult literacy rate and functions of school enrollment rate and standard of living measured as a logarithmic function of GDP, adjusted to purchasing power parity. The NHI focuses on the spiritual and material development of human beings by focussing on the four pillars of sustainable development, preservation of cultural values, conservation of natural resources and establishment of good governance. The bank also notes suggestions made by President Nicholas Sarkozy for the modification of the definition of GDP that stops the social and cultural damage that the current definitions are leading to. The Bank also suggests Adjusted Net Savings as an alternative to GDP. Suggested measures Some other measures that have been suggested as a replacement of GDP are Index of Sustainable Economic Welfare ( ISEW) as suggested by Friends of the Earth and Environmentally Sustainable National Income ( eSNI) by Dr. Hueting. See also Bhutan GNH Index Disability-adjusted life year Economics Green national product Gender Development Index Genuine progress indicator Green gross domestic product Gross National Happiness Gross National Well-being Happiness economics Happy Planet Index Human Development Index Index of Sustainable Economic Welfare Progress (history) Progressive utilization theory Legatum Prosperity Index Leisure satisfaction Money-rich, time-poor OECD Better Life Index Post-materialism Psychometrics Subjective life satisfaction Where-to-be-born Index Wikiprogress World Happiness Report World Values Survey References External links Institutions European Union. OECD. Office for National Statistics (UK) Academic London School of Economics. Open University. Oxford University (Health Economics) Economic growth