BOARD GOVERNANCE AND FIRM PERFORMANCE: THE MEDIATING ROLE OF EFFECTIVE TAX RATE IN THAILAND

Authors

  • Kwanrutai PUCHJAN Rajamangala University of Technology Suvarnabhumi, Thailand
  • Dararat PHOPRACHAK Rajamangala University of Technology Suvarnabhumi, Thailand
  • Anek PUTTHIDECH Rajamangala University of Technology Suvarnabhumi, Thailand
  • Kusuma DAMPITAKSE Rajamangala University of Technology Suvarnabhumi, Thailand
  • Surachai AM-UGSORN Rajamangala University of Technology Suvarnabhumi, Thailand

DOI:

https://doi.org/10.14456/aamr.2025.49

Keywords:

Board Characteristics, Effective Tax Rate, Firm Performance, Corporate Governance, Mediation Analysis

Abstract

This study investigates the intricate relationship between board characteristics and firm performance, specifically examining the mediating role of the effective corporate income tax rate (ETR) among companies listed on the Stock Exchange of Thailand. Analyzing 313 observations from 2022 to 2024 using quantitative methods, including descriptive statistics, correlation, and multiple regression, the research reveals compelling insights into corporate governance and financial outcomes. Findings indicate that board size and the proportion of directors with an accounting or finance background positively influence ETR. Furthermore, while the proportion of directors with an accounting or finance background directly enhances firm performance, independent directors and board meeting frequency exhibit a negative direct relationship with firm performance. Crucially, the study identifies ETR as a significant transmission mechanism: board size and accounting/finance expertise indirectly enhance firm performance through ETR. These findings challenge conventional views that tax minimization is the sole performance driver, suggesting that a higher ETR can signal responsible tax compliance, fostering investor confidence and firm valuation. This research offers vital policy guidelines for corporate governance and tax management in emerging markets such as Thailand.

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References

Ardila, D., & Safitri, H. (2024). Environmental, Social, And Governance (ESG), Sustainable Growth Rate (SGR) and Firm Value on Stock Returns ESG Sector Leaders Kehati and IDX80. Media Trend, 19(2), 298-312.

Best, J. (1977). Research in education (3rd ed.). New Jersey: Prentice-Hall.

Chaleampong, P., Petchchedchoo, P., & Kumauprom, S. (2019). Board of director and innovation with performance of listed companies in the Stock Exchange of Thailand. Suthiparithat Journal, 33(108), 106-120.

Chang, J. (2023). The Role of Independent Directors in Ensuring Good Corporate Governance. Frontiers in Business, Economics and Management, 12(1), 7-11.

Chernviriyakul, W., & Srijunpetch, S. (2022). The relationship between corporate governance rating, board of directors, family ownership, and tax planning of listed companies on the Stock Exchange of Thailand. Kasetsart Applied Business Journal, 16(25), 25-47.

Chung, K., & Pruitt, S. (1994). A Simple Approximation of Tobin's Q. Financial Management, 23(3), 70-74.

Doane, D., & Seward, L. (2011). Measuring Skewness: A Forgotten Statistic?. Journal of Statistics Education, 19(2), 1-18.

Fatma, N., & Hidayat, W. (2020). Earnings persistence, earnings power, and equity valuation in consumer goods firms. Asian Journal of Accounting Research, 5(1), 3-13.

Ghasemi, A., & Zahediasl, S. (2012). Normality tests for statistical analysis: A guide for non-statisticians. International Journal of Endocrinology and Metabolism, 10(2), 486-489.

Jensen, M., & Meckling, W. (1976). Theory of the firm: Managerial behavior, agency costs and ownership structure. Journal of Financial Economics, 3(4), 305-360.

Lin, Z. (2024). Does ESG performance indicate corporate economic sustainability? Evidence based on the sustainable growth rate. Borsa Istanbul Review, 24(3), 485-493.

Melgarejo, M. (2019). The impact of corporate governance on earnings quality: evidence from Peru. Journal of Accounting in Emerging Economies, 9(4), 527-541.

Phomkul, S., & Saengkhiew, P. (2022). The Influence of Profitability, Operational Efficiency and Inventory Management on the Corporate Income Tax Planning for Auto Parts Industry Group on Board of Investment in Eastern Industrial Estate. Journal of Modern Learning Development, 7(10), 236-254.

Puchjan, K., Phoprachak, D., & Putthidech, A. (2024). Corporate Governance and Management Structure Affecting Performance through Tax Planning: Evidence from Listed Companies on the Stock Exchange of Thailand. The Journal of Accounting Review Chiang Rai Rajabhat University, 9(2), 203-212.

Rakhiran, W., Charoenkitthanaporn, S., & Phoprachak, D. (2025). Do Board Characteristics Influence Earnings Management Through Tax Planning? Insights from the Thai Stock Exchange. Asian Administration and Management Review, 8(1), Article 17.

Sabsombat, N., & Suralai, W. (2025). Beyond Representation: How Knowledge Utilisation Translates Board Gender Diversity into Corporate Performance. Asian Administration and Management Review, 8(2), Article 5.

Sirithanatrakarn, P., Chitnomrath, T., & Kumsuprom, S. (2023). A Comparative Study of the Relationship of the Corporate Governance Component of Family Businesses and Non-Family Businesses Listed on the Stock Exchange of Thailand with Operating Performance and Firm Value. Suthiparithat Journal, 37(3), 38-54.

Sribunruang, K., & Sutthi, J. (2021). The Relationship between Tax-Planning and Firm Value of Companies Listed on the Market for Alternative Investment (Mai). Social Science Journal of Prachachuen Research Network, 3(3), 59-74.

Srihirunpunlop, C. (2018). The relationship between board of director's characteristics and effective corporate income tax rate of companies listed in the Stock Exchange of Thailand (SET 100). Master of Accounting Thesis, Thammasat University.

Thanjunpong, S., & Bangmek, R. (2017). The influence of board of directors, audit committee and ownership structure impact on tax planning: An empirical evidence of Thailand. Journal of Accounting Profession, 13(37), 29-44.

The Stock Exchange of Thailand. (2020). A guide to effective corporate income tax management. Bangkok: The Stock Exchange of Thailand.

The Stock Exchange of Thailand. (2022). Good Corporate Governance. Retrieved from www.set.or.th/en/about/overview/cg.

The Stock Exchange of Thailand. (n.d.). Good corporate governance guidelines for listed companies. Retrieved from https://setsustainability.com/page/corporate-governance.

Wilson, R. (1968). The Theory of Syndicates. Econometrica, 36(1), 119-132.

Wonglakron, S., & Mahoran, J. (2023). Financial Ratio, Board Structure and the Performance of Listed Companies on the Stock Exchange of Thailand index CLMV. Suthiparithat Journal, 37(1), 109-127.

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Published

2026-02-27

How to Cite

PUCHJAN, K., PHOPRACHAK, D., PUTTHIDECH, A., DAMPITAKSE, K., & AM-UGSORN, S. (2026). BOARD GOVERNANCE AND FIRM PERFORMANCE: THE MEDIATING ROLE OF EFFECTIVE TAX RATE IN THAILAND. Asian Administration and Management Review, 8(2), Article 24. https://doi.org/10.14456/aamr.2025.49

Issue

Vol. 8 No. 2 (2025): Asian Administration and Management Review

Section

Articles

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Copyright (c) 2025 Kwanrutai PUCHJAN, Dararat PHOPRACHAK, Anek PUTTHIDECH, Kusuma DAMPITAKSE, Surachai AM-UGSORN

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