Inflation and Wage Equity among Government Employees in East Africa: A Cross-National Dynamics Analysis

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Published Dec 11, 2025
https://doi.org/10.71064/spu.amjr.2.2.2025.450
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Vol. 2 No. 2 (2025): Special Issue - African Multidisciplinary Journal of Research (AMJR) - 2025

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Philip Abiel Nyok
St. Paul's University
Dr. William Sang
St. Paul's University

Abstract

This study examined the relationship between wage equity, measured by the Wage Equity Index (WEI), and inflation (INFL) across five East African countries, Kenya, Tanzania, Uganda, Rwanda, and South Sudan, over the period 2013 to 2024. The study was anchored in two theories: wage indexation theory and institutional economics theory. Using a panel dataset of 60 observations, the study employed descriptive statistics, correlation analysis, and two-way fixed-effects (TWFE) regression to assess both country-specific and time-specific effects on wage equity. The findings reveal that inflation exhibits a negative, though statistically insignificant, relationship with wage equity, suggesting that short-term price fluctuations have a limited impact on wage fairness. In contrast, temporal trends demonstrate a consistent and significant improvement in WEI, highlighting the role of long-term structural, institutional, and policy-driven factors in promoting equitable wage distribution. These results underscore the importance of labour market reforms, regional integration, and socioeconomic development initiatives in sustaining wage equity across East Africa. The study recommends that policymakers continue to strengthen institutional mechanisms, harmonize employment standards, and expand social protection programmes to ensure that the observed improvements in wage equity are maintained. This research contributes to the understanding of wage dynamics in developing economies and provides evidence-based insights for regional labour policy formulation.

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How to Cite
Nyok, P. A. ., & Sang, D. W. . (2025). Inflation and Wage Equity among Government Employees in East Africa: A Cross-National Dynamics Analysis. African Multidisciplinary Journal of Research, 2(2), 501–521. https://doi.org/10.71064/spu.amjr.2.2.2025.450

References

  1. Abdalla, S., et al. (2023). Public-private wage differentials: Evidence from cross-country analysis. IMF Working Paper. https://www.imf.org/en/Publications/WP/Issues/2023/07/07/Public-Private-Wage-Differentials-Evidence-from-Cross-Country-Analysis-536209;
  2. Addison, J. T., & Taggart, R. (2015). Wage formation and wage inequality in Sub-Saharan Africa. Journal of African Economies, 24(3), 345–370. https://doi.org/10.1093/jae/ejv005
  3. Adolph, B., & Wolfstetter, E. (2020). Wage-indexation, informational externalities, and monetary policy, Journal of Economic Behavior & Organization, 177, 1–15. https://www.jstor.org/stable/2663070;
  4. Adu, G., & Osei-Assibey, E. (2021). Inflation volatility and wage dynamics in Ghana: Evidence from time series analysis, African Journal of Economic Policy, 28(2), 45–62, https://doi.org/10.4314/ajep.v28i2.3;
  5. Afrouzi, H., et al. (2023). Inflation and nominal wage rigidity in developing economies, American Economic Journal: Macroeconomics, 15(3), 1–35. https://doi.org/10.1257/mac.20210245;
  6. Akinboade, O. A., et al. (2020). Structural determinants of inflation in Sub-Saharan Africa: a panel data analysis., African Journal of Economic Policy, 27(1), 1–20;
  7. Baltensperger, E. (2023). The return of inflation, Swiss Journal of Economics and Statistics, 159(10), https://doi.org/10.1186/s41937-023-00114-x;
  8. Bank for International Settlements (BIS). (2020). Wage indexation and inflation dynamics, BIS Working Papers, No. 604, https://www.bis.org/publ/work604.pdf;
  9. Barrett, C. B., et al. (2017). Structural transformation and wage equality in East Africa: Evidence from Kenya and Tanzania. World Development, 95, 178–192. https://doi.org/10.1016/j.worlddev.2017.02.012
  10. Bassier, I. (2021). Inflation and wage bargaining in South Africa: lessons for public sector wage policy, Bank for International Settlements Papers No. 142, https://www.bis.org/publ/bppdf/bispap142_s.pdf;
  11. Blau, F. D., & Kahn, L. M. (2017). The gender wage gap: Extent, trends, and explanations, Journal of Economic Literature, 55(3), 789–865, https://doi.org/10.1257/jel.20160995;
  12. Canadian Union of Public Employees. (2022). Wage growth vs. inflation, https://cupe.ca/sites/default/files/field_publication_past_issues/economy_at_work_spring_2022_e_fnl.pdf;
  13. Carrillo, J. A., et al. (2017). Endogenous wage indexation and aggregate shocks (BIS working paper No. 604), Bank for International Settlements, https://www.bis.org/publ/work604.pdf;
  14. Chang, H.-J. (2010). Institutions and economic development: theory, policy and history, Journal of Institutional Economics, 7(4), 473–498.
  15. Chelini, M.-P., Adair, P., & Baumann, E. (2025). Wage dynamics in Africa: Achievements and challenges, Springer, https://link.springer.com/book/9783031997990;
  16. Coase, R. H. (1960). The problem of social cost. Journal of Law and Economics, 3, 1–44.
  17. Corporate Finance Institute. (2020). Consumer Price Index (CPI): definition, how to calculate, uses, Retrieved from Consumer Price Index overview;
  18. Delautre, G., et al. (2025). Wages in African public administrations: where do we stand? ILO working paper 134, https://doi.org/10.54394/OJAG0131;
  19. Deloitte Insights. (2024). East Africa economic outlook. https://www.deloitte.com/us/en/insights/topics/economy/emea/africa-economic-outlook-02-2024.html;
  20. Dridi, J., & Nguyen, A. D. (2020). Assessing inflation convergence in the East African Community, International Monetary Fund Working Paper;
  21. Dvorkin, M. A., & Marks, C. (2024). Nominal wage adjustments during high inflation and tight labor markets. Federal Reserve Bank of St. Louis Review. https://www.stlouisfed.org/publications/review/2024/oct/nominal-wage-adjustments-high-inflation-tight-labor-markets;
  22. East African Community Data Portal. (2025). CPI – Headline (All Items) – Annual Inflation, Knoema, https://eac.opendataforafrica.org/mzemsw/cpi;
  23. Eastern Africa Association. (2025). East Africa Macroeconomic Outlook 2025 Conference Report, https://www.easternafricaassociation.org/wp-content/uploads/2025/01/East-Africa-Macroeconomic-Outlook-2025-2.pdf;
  24. Economic Policy Institute. (2022). Nominal wage tracker, https://www.epi.org/nominal-wage-tracker/;
  25. Edelberg, W., & Steinmetz-Silber, N. (2025). Has pay kept up with inflation? the Hamilton project, https://www.hamiltonproject.org/data/has-pay-kept-up-with-inflation;
  26. Edwards, P., et al. (2023). Inflation, wages and equality: Cross-disciplinary conversations, Journal of the British Academy, 11, 25–42, https://doi.org/10.5871/jba/011.025;
  27. Epper, T. F., & Mitrouchev, I. (2025). Measuring hearts and minds: A validated survey module on inequality aversion and altruism, Journal of Economic Inequality, https://doi.org/10.1007/s10888-025-09567-3;
  28. Guerreiro, J., et al. (2024). Inflation and the cost of conflict in wage bargaining, Quarterly Journal of Economics, 139(1), 215–263. https://doi.org/10.1093/qje/qjad045;
  29. Guerreiro, J., et al. (2024). Wage structures and inflation resilience in public sectors, Journal of Public Economics, 218, 104789. https://doi.org/10.1016/j.jpubeco.2024.104789;
  30. Guerreiro, J., et al. (2024). Why do workers dislike inflation? wage erosion and conflict costs, University of Chicago & NBER Working Paper, https://economics.yale.edu/sites/default/files/2024-09/draft_conflicts.pdf;
  31. Gumiel, J. E., & Hahn, E. (2018). Inflation dynamics and labor costs. ECB Working Paper Series, No. 2176, https://www.ecb.europa.eu/pub/pdf/scpwps/ecb.wp2176.en.pdf;
  32. Hacker, R. S., & Umulisa, Y. (2022). Commonalities in the movements of inflation rates among countries in the East African Community, Emerging Markets Finance and Trade, 58(9), 2493–2504, https://doi.org/10.1080/1540496X.2021.1997738;
  33. Heinemann, F. (2021). The inflationary impact of wage indexation, CESifo Working Paper Series, No. 867, https://www.ifo.de/DocDL/cesifo_wp867.pdf;
  34. Helini, M.-P., Adair, P., & Baumann, E. (2025). Wage dynamics in Africa: Achievements and challenges. Springer. https://link.springer.com/book/9783031997990;
  35. International Labour Organization. (2020). Promoting equity: Gender-neutral job evaluation for equal pay, https://www.ilo.org/global/publications/WCMS_735597/lang--en/index.htm;
  36. International Labour Organization. (2024). Global wage report 2024–25: is wage inequality decreasing globally? https://www.ilo.org/publications/flagship-reports/global-wage-report-2024-25-wage-inequality-decreasing-globally;
  37. International Labour Organization. (2025). Minimum wages in Africa: wage disparities and the redistributive potential of minimum wages, https://www.ilo.org/sites/default/files/2025-09/Minimum%20wages%20in%20Africa%20-%20Wages%20disparities%20and%20the%20redistributive%20potential%20of%20minimum%20wages_0.pdf;
  38. International Monetary Fund (2023). Public-private wage differentials and interactions across countries and time (WP/23/64), https://www.elibrary.imf.org/downloadpdf/view/journals/001/2023/064/article-A001-en.pdf;
  39. International Monetary Fund. (2020). Consumer Price Index Manual: Concepts and Methods. Retrieved from IMF CPI Manual;
  40. International Trade Union Confederation. (2024). ILO global wage report: uneven wage recovery shows urgent need for fair pay and living wages, https://www.ituc-csi.org/ILO-Global-Wage-Report-2024;
  41. Investopedia. (2020). What is the Consumer Price Index (CPI)? Retrieved from Investopedia CPI definition;
  42. IRIS. (2020). Wage Equity (OI1582). IRIS+ System. Retrieved from IRIS Wage Equity Metric;
  43. Kaufman, B. E. (2013). Sidney and Beatrice Webb’s institutional theory of labour markets and wage determination, Georgia State University, https://core.ac.uk/download/pdf/289189553.pdf;
  44. Melaku, W. E. (2020). Determinants of inflation in Africa: a systematic review, International Journal of Management and Fuzzy Systems, 6(4), 59–63, https://doi.org/10.11648/j.ijmfs.20200604.11;
  45. Munga, M. A., & Kirigia, J. M. (2019). Socioeconomic determinants of wage equity in East Africa: Insights from multi-country panel data. African Development Review, 31(2), 210–223. https://doi.org/10.1111/1467-8268.12405
  46. Muriithi, M., & Wambugu, A. (2020). Inflation and labor market outcomes in Kenya: Evidence from household survey data, Journal of African Economies, 29(4), 489–512, https://doi.org/10.1093/jae/ejz020;
  47. Muriithi, S. M., & Wamalwa, F. M. (2020). Public sector wage bill sustainability in Kenya: a fiscal policy perspective, African Journal of Economic Policy, 27(2), 45–62;
  48. Nadoveza, O. (2025). Do increases in public sector wages affect inflation? Public Sector Economics, 49(1), 1–20, https://doi.org/10.3326/pse.49.1.1;
  49. North, D. C. (1990). Institutions, institutional change and economic performance. Cambridge University Press.
  50. Ntuli, M., & Kwenda, P. (2019). Gender gaps in employment and wages in Sub-Saharan Africa: A review, In Women and Sustainable Human Development (pp. 183–203). Springer;
  51. Oduro, F., Owusu, G., & Tetteh, E. K. (2018). Inflation, labor markets, and wage adjustment in developing economies. International Labour Review, 157(4), 563–583. https://doi.org/10.1111/ilr.12145
  52. Ofori-Abebrese, G., et al. (2017). Public sector wages and inflation in Ghana: An ARDL approach, African Journal of Economic Review, 5(2), 1–18. https://ageconsearch.umn.edu/record/266648;
  53. Ofori-Abebrese, G., et al. (2017). The interaction between public sector wage, inflation and exchange rate volatility in Ghana, Theoretical Economics Letters, 7(3), 365–380, https://doi.org/10.4236/tel.2017.73028;
  54. Phillips, N., et al. (2017). Some issues in the institutional theory: a critical analysis, International Journal of Scientific & Technology Research, 6(9), 1–8.
  55. Saunders, M., et al. (2019). Research methods for business students (8th ed.). Pearson Education.
  56. Simson, R. (2022). With inflation rising, will Africa face another crisis in public sector pay? ODI., https://odi.org/en/insights/with-inflation-rising-will-africa-face-another-crisis-in-public-sector-pay/;
  57. Stantcheva, S. (2023). Understanding inflation expectations and wage perceptions: Evidence from survey experiments, American Economic Review, 113(5), 1221–1256, https://doi.org/10.1257/aer.20221134;
  58. Statista Research Department (2025). Annual inflation (CPI) forecast in East Africa 2020–2025, by country. Statista, https://www.statista.com/statistics/1552297/east-africa-inflaction-forecast-by-country/;
  59. Statista Research Department. (2025). Inflation rates in East Africa 2021–2023, https://www.statista.com/statistics/1291234/inflation-rate-in-east-africa-by-country/;
  60. Tanwar, R. (2023). Nexus between inflation, income inequality, and economic growth in Ethiopia, PLOS ONE, 18(11), e0294454. https://doi.org/10.1371/journal.pone.0294454;
  61. Thielens, J. (2024). ECB inflation narratives and the wage–profit debate, Review of Political Economy, https://doi.org/10.1080/09538259.2024.2290132;
  62. Van den Broeck, G., et al. (2023). Structural transformation and the gender pay gap in Sub-Saharan Africa. PLOS ONE, 18(4), e0278188. https://doi.org/10.1371/journal.pone.0278188;
  63. Williamson, O. E. (1985). The economic institutions of capitalism. Free Press.
  64. World Bank. (2021). Public sector employment and compensation: an assessment framework, World Bank, https://documents1.worldbank.org/curated/en/324801640074379484/pdf/Public-Sector-Employment-and-Compensation-An-Assessment-Framework.pdf;
  65. World Bank. (2022). Global economic prospects: Sub-Saharan Africa overview, https://www.worldbank.org/en/publication/global-economic-prospects;
  66. World Bank. (2022). Managing wage erosion in public services, https://www.worldbank.org/en/topic/publicsector/publication/managing-wage-erosion-in-public-services;
  67. World Bank. (2022). Managing wage erosion in public services, https://www.worldbank.org/en/topic/publicsector/publication/managing-wage-erosion-in-public-services;
  68. World Economic Forum. (2020). Global Gender Gap Report 2020. Retrieved from WEF Gender Gap Report;
  69. et al.