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Climbing the Economic Ladder: Earnings Inequality and Intragenerational Mobility among Thai Formal Workers

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  • Athiphat Muthitacharoen
  • Trongwut Burong
  • Athiphat Muthitacharoen
Abstract
This paper investigates inequality and intragenerational economic mobility among formal workers in a developing country with large inequality. Understanding economic mobility is important because it shapes our perception of inequality. Despite its significance, evidence on intragenerational mobility, especially that based on administrative data, is relatively limited in developing countries. Using Thailand’s tax return data, we study the evolution of earnings inequality, estimate medium-term earnings mobility, and examine the heterogeneity of mobility across age, gender and employment arrangement. Our analysis yields three main findings. First, annual earnings inequality rises during the 2009-2018 period. We find that the inequality is largely permanent, and its increase is primarily driven by top-earnings workers. Second, medium-term mobility tends to be limited at both ends of the earnings distribution, with particularly pronounced persistence observed at the top decile. Our suggestive comparison indicates that Thailand’s earnings mobility is among the lowest in the pool of evidence from both developed and developing countries. Third, there is a considerable heterogeneity in mobility regarding employment arrangement. Workers in less-formal jobs have much lower upward mobility than those in more-formal employment. Our findings also indicate significant heterogeneity in mobility with respect to gender and age.

Suggested Citation

  • Athiphat Muthitacharoen & Trongwut Burong & Athiphat Muthitacharoen, 2023. "Climbing the Economic Ladder: Earnings Inequality and Intragenerational Mobility among Thai Formal Workers," CESifo Working Paper Series 10202, CESifo.
  • Handle: RePEc:ces:ceswps:_10202
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    References listed on IDEAS

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    More about this item

    Keywords

    intragenerational earnings mobility; inequality;

    JEL classification:

    • D31 - Microeconomics - - Distribution - - - Personal Income and Wealth Distribution
    • D63 - Microeconomics - - Welfare Economics - - - Equity, Justice, Inequality, and Other Normative Criteria and Measurement
    • H20 - Public Economics - - Taxation, Subsidies, and Revenue - - - General
    • J31 - Labor and Demographic Economics - - Wages, Compensation, and Labor Costs - - - Wage Level and Structure; Wage Differentials
    • J60 - Labor and Demographic Economics - - Mobility, Unemployment, Vacancies, and Immigrant Workers - - - General

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