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2011-15-UNDP-HumanDevelopment-E.pdf (application/pdf Object) Geometric mean. , the geometric mean is defined as For instance, the geometric mean of two numbers, say 2 and 8, is just the square root of their product; that is . As another example, the geometric mean of the three numbers 4, 1, and 1/32 is the cube root of their product (1/8), which is 1/2; that is A geometric mean is often used when comparing different items – finding a single "figure of merit" for these items – when each item has multiple properties that have different numeric ranges.[1] For example, the geometric mean can give a meaningful "average" to compare two companies which are each rated at 0 to 5 for their environmental sustainability, and are rated at 0 to 100 for their financial viability.
The geometric mean can be understood in terms of geometry. The geometric mean of two numbers, and. . , and , is the length of one side of a cube whose volume is the same as that of a cuboid with sides whose lengths are equal to the three given numbers. Calculation[edit] The geometric mean of a data set ) and ( Global Business - Mike W. Peng. Long-Run Growth Forecasting - Stefan Bergheim. HDR_2011_EN_Table1.pdf (application/pdf Object) Thestateofhumandevelopment.pdf (application/pdf Object) HDR_2010_EN_TechNotes_reprint.pdf (application/pdf Object) Reports (1990-2011) | Global Reports | HDR 2011. Another Perspective on the Human Development Index. A few days back I wrote a post claiming that “for all the work that goes into the Human Development Index, it just doesn’t tell you much that you wouldn’t learn from simple comparisons of G.D.P. per capita.”
Subsequently, Francisco Rodriguez, who heads research at the UN Human Development Report Office, touched base to tell me that he thought I hadn’t told the whole story. Francisco is a terrific macroeconomist (in fact, he was the TA when I took my graduate macro classes at Harvard), and so he kindly agreed to write a guest post filling in the missing pieces. What Does the Human Development Index Really Measure? By Francisco Rodriguez A Guest Post Last week, Justin Wolfers presented a simple yet apparently powerful critique of the Human Development Index (H.D.I.) — a summary index of per-capita income, health, and education indicators published by the United Nations Development Programme.
But we care about human development not just because we want to know how to rank countries. Indices & Data | Human Development Index. The HDI was created to emphasize that people and their capabilities should be the ultimate criteria for assessing the development of a country, not economic growth alone. The HDI can also be used to question national policy choices, asking how two countries with the same level of GNI per capita can end up with different human development outcomes. These contrasts can stimulate debate about government policy priorities.
The Human Development Index (HDI) is a summary measure of average achievement in key dimensions of human development: a long and healthy life, being knowledgeable and have a decent standard of living. The HDI is the geometric mean of normalized indices for each of the three dimensions. The health dimension is assessed by life expectancy at birth, the education dimension is measured by mean of years of schooling for adults aged 25 years and more and expected years of schooling for children of school entering age.