venerdì 9 febbraio 2018

TWELVE The Law of Social Mobility and Family Dynamics

TWELVE The Law of Social Mobility and Family Dynamics
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xt + 1 = bxt + et
Note:LEGGE FISSA INDIPENDENTE DALLA STRDUTTURA SOCIALE

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xt is the underlying social status of a family in generation t, et is a random component, and b is in the region 0.7–0.8.
Note:LEGGENDA

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surprising predictions
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move toward the mean
Note:REGRESSIONE ALKA MEDIACIÒ NN SIGNIFICA CHE LA MEDIA S INGROSSA... INFATTI POICHÈ I GRUPPI PIÙ VICINI ALL MEDIA SONO PIÙ NUMEROSI ROCEVONO MENO DI QIEL CHE DANNO AI GRUPPI ESTREMI....

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we can infer the average history of the rich and poor
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Biographies of Charles Dickens,
Note:ANOMALIA...DALLE STELLE ALLE STALKE

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biographers of Andrew Carnegie
Note:ANOMALIA

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The elite of any generation typically come from families only modestly less elite.
Note:LA NORMA

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how long it takes an existing elite to regress to the mean
Note:MISURA UNO

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how long it took them to depart from the mean and attain their current position.
Note:MISURA DUE

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You can transform a society, but you do not change the slow march of social mobility.
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Educational Mobility
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the apparent stability of status
Note:RISULTATO

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the very deep roots of elites at any given time.
Note:SECONDO

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A Tale of Two Pepyses
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