What question did this study set out to answer?

To document revisions to the Standardized World Income Inequality Database (SWIID) aimed at maximizing cross-national and longitudinal comparability of income inequality estimates.

May 1, 2020Social Science QuarterlyOpen Access

Measuring Income Inequality Across Countries and Over Time: The Standardized World Income Inequality Database

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To document revisions to the Standardized World Income Inequality Database (SWIID) aimed at maximizing cross-national and longitudinal comparability of income inequality estimates.
Conducted two k-fold cross-validation analyses partitioned by observation and by country.
Evaluated the database's predictive performance against benchmark data from the Luxembourg Income Study (LIS).
Yielded inequality estimates and uncertainty measures that demonstrate greater accuracy relative to previous database versions.
Maintained a distinct comparability advantage over alternative cross-national income inequality datasets.

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Implication

Validation study demonstrates improved accuracy of global income inequality estimates across countries, highlighting the utility of standardized datasets for cross-national research.

Cite This Study

Frederick Solt (2020) studied this question.

synapsesocial.com/papers/69d71c92ef370a38abf5096b https://doi.org/10.1111/ssqu.12795

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Implication

Validation study demonstrates improved accuracy of global income inequality estimates across countries, highlighting the utility of standardized datasets for cross-national research.

Measuring Income Inequality Across Countries and Over Time: The Standardized World Income Inequality Database

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Discussion

Implication

Cite This Study

Measuring Income Inequality Across Countries and Over Time: The Standardized World Income Inequality Database

Key Points

Discussion

Implication

Cite This Study

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