This study examined the effect of tax planning on market value of listed non-financial companies in Nigeria from 2017 – 2022. The study used effective tax rate, cash effective tax rate and book tax difference as proxy for tax planning and market value was measured using Tobins Q. The data for the study was obtained from audited annual reports of the listed non-financial companies for the period … The data were analysed using descriptive statistics, correlation and ordinary fixed effect regression analysis with the aid of STATA version 16. It was found that effective tax rate has no significant and positive effect on market value of non-listed companies in Nigeria. Cash effective tax rate has a significant and positive effect on market value of non-listed companies in Nigeria. Book tax difference has a significant and positive effect on market value of non-listed companies in Nigeria. The study concludes that cash effective tax rate and book tax difference improves market value of listed non-financial companies in Nigeria. The study recommended amongst others that to leverage the positive impact of cash effective tax rates on market value, firms should prioritize tax efficiency in financial planning. This includes utilizing tax incentives, deductions, and credits, engaging in proactive tax planning, and employing tax experts to align strategies with evolving tax laws. Monitoring changes in tax regulations is essential for adjusting strategies to maintain competitiveness and optimize after-tax cash flows.
Keywords: preliminary pages
Citation: , & Team, E. (2025). PRELIMINARY PAGES. International Journal of Innovative Research in Accounting and Sustainability, 10(1), i-xii.