<![CDATA[We do a bibliometric analysis of research at the nexus of corporate taxation, financial performance, and investment behavior utilizing Scopus/Web of Science data (1990–2025). Performance metrics and science mapping (co-citation, bibliographic coupling, co-word, and co-authorship) elucidate a system-level core focused on investment, tax systems, and financial systems, interconnected by themes of effective tax rates, tax avoidance, and governance. International streams associate tax design with foreign direct investment and multinational strategies. The overlay and density viewpoints indicate a transition from early capital-structure economics to contemporary issues of measurement, enforcement, and investment efficiency. Collaboration networks are predominantly centered around a US–UK–Germany axis, with little South–South connections, indicating geographic bias and potential for expansion. We present a cohesive contingency framework that elucidates diverse findings through governance quality, enforcement transparency, and the structure of enterprises' investment portfolios. The study provides a replicable framework and strategy for policy assessment and corporate decision-making.]]>
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