Research productivity remains a persistent challenge for Nigerian university academics, and existing scholarship has focused almost entirely on funding adequacy and institutional support explanations. This paper introduces a behavioural lens to an evolving ring-fenced research-related emolument termed the Consolidated Academic Tools Allowance (CATA). Drawing on mental accounting theory, we argue that CATA's effect on research output is conditional rather than automatic, and operates through two distinct behavioural levels: macro and micro. At the macro level, CATA is a labeled, statutorily distinct allowance, which mental accounting theory predicts should be psychologically protected against diversion into ordinary household spending. At the micro level, however, CATA bundles five distinct research-cost categories into a single undifferentiated sum, with no earmarking across them; mental accounting theory predicts that broad bracketing of this kind will produce uneven, need-salience-driven internal allocation that may crowd out high-value but lumpy costs, such as article processing charges (APCs), in favour of more recurring, visible costs, such as internet access. The paper further situates the relationship between CATA and research productivity within the real, currently observable variance in policy implementation - full disbursement (with arrears) in federal universities versus widespread non-implementation in several state universities as of mid-2026, which offers a natural, quasi-experimental basis for future empirical testing. We develop a two-level conceptual model, derive seven testable propositions and outline a survey-based methodology for empirical validation and draw out implications for academics, university managements, federal and state governments.