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The median wealth of married couples exceeds that of single individuals, regardless of gender and across all age categories. [11]It is impossible to understand people's behavior…without the concept of social stratification, because class position has a pervasive influence on almost everything…the clothes we wear…the television shows we watch…the colors we paint our homes in and the ...
A plot of intergenerational immobility against inequality, with the US highlighted in red (data from 2012) The "Great Gatsby Curve" is the term given to the positive empirical relationship between cross-sectional income inequality and persistence of income across generations. [1]
The Structure of Social Stratification in the United States. Boston, MA: Pearson, Allyn & Bacon. 1 The upper middle class may also be referred to as "Professional class" Ehrenreich, B. (1989). The Inner Life of the Middle Class. NY, NY: Harper-Collins.
The Atkinson ε parameter is often called the "inequality aversion parameter", since it regulates the sensitivity of the implied social welfare losses from inequality to income inequality as measured by some corresponding generalised entropy index. The Atkinson index is defined in reference to a corresponding social welfare function, where mean ...
States and territories are sorted by the share of the lowest quintile in aggregate household income, i.e. the share of household income of 20% of the poorest households in the total household income. Due to different methodologies by which the United States Census Bureau and the EPI have calculated their results, the data should not be compared.
Users of the R data analysis software can install the "ineq" package which allows for computation of a variety of inequality indices including Gini, Atkinson, Theil. A MATLAB Inequality Package Archived 2008-10-04 at the Wayback Machine , including code for computing Gini, Atkinson, Theil indexes and for plotting the Lorenz Curve.
Their findings place the United States as the most unequal and ranks poorly on social and health problems among developed countries. [175] The authors argue inequality creates psychosocial stress and status anxiety that lead to social ills. [176] A 2009 study attributed one in three deaths in the United States to high levels of inequality. [177]
Thomas Piketty and Emmanuel Saez wrote in their work "Income Inequality in the United States,1913–1998" that "top income and wages shares(in the United States) display a U-shaped pattern over the century" and "that the large shocks that capital owners experienced during the Great Depression and World War II have had a permanent effect on top ...