Comparar métodos
Examine os métodos selecionados lado a lado; as linhas que diferem ficam destacadas.
| Shapley Decomposition of Inequality× | Oaxaca-Blinder Decomposition× | |
|---|---|---|
| Área | Economia | Economia |
| Família≠ | Process / pipeline | Regression model |
| Ano de origem≠ | 2013 | 1973 |
| Autor original≠ | Anthony Shorrocks (working paper 1999; published 2013) | Ronald Oaxaca & Alan Blinder (independently) |
| Tipo≠ | Axiomatic decomposition procedure | Regression-based decomposition of a mean outcome gap |
| Fonte seminal≠ | Shorrocks, A. F. (2013). Decomposition procedures for distributional analysis: a unified framework based on the Shapley value. Journal of Economic Inequality, 11(1), 99–126. DOI ↗ | Oaxaca, R. (1973). Male-female wage differentials in urban labor markets. International Economic Review, 14(3), 693–709. DOI ↗ |
| Outros nomes | Shapley Decomposition, Shorrocks Shapley Decomposition, Factor Decomposition of Inequality, Shapley Value Distributional Decomposition | Blinder-Oaxaca Decomposition, Wage Gap Decomposition, Threefold Decomposition, Detailed Decomposition |
| Relacionados≠ | 4 | 2 |
| Resumo≠ | The Shapley decomposition, formalized for distributional analysis by Anthony Shorrocks (in a widely circulated 1999 working paper, published in 2013), is a general procedure for attributing an inequality or poverty statistic to its contributing factors — income sources, population subgroups, or determinants. It borrows the Shapley value from cooperative game theory: each factor's contribution is its average marginal effect on the indicator across all possible orders in which factors could be eliminated. The result is an exact, symmetric, residual-free decomposition that applies to any indicator, even those (like the Gini) that have no natural analytic decomposition of their own. | The Oaxaca-Blinder decomposition is a regression-based technique that splits the difference in a mean outcome between two groups — classically the average wage gap between men and women or between racial groups — into a part explained by differences in observable characteristics (endowments such as education and experience) and an unexplained part attributed to differences in how those characteristics are rewarded (the coefficients). Introduced independently by Ronald Oaxaca and Alan Blinder in 1973, it became the standard tool for studying wage discrimination and group disparities. |
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