Developing an Original Theory of Reverse Innovation Diffusion from Emerging Market Subsidiaries to Global Headquarters: Evidence from Nigerian Multinational Subsidiaries

Reverse innovation, the process through which innovations developed in emerging markets flow back to headquarters for global application, represents a theoretically underdeveloped but strategically important phenomenon, and Nigerian multinational subsidiaries provide a rich empirical setting for original theoretical development. This study develops an original Reverse Innovation Diffusion Theory (RIDT) using evidence from Nigerian subsidiaries of multinational corporations across financial services, consumer goods, telecommunications, and manufacturing sectors. The RIDT integrates knowledge transfer theory, headquarters-subsidiary relations theory, and innovation management research to explain the conditions under which Nigerian subsidiary innovations achieve headquarters recognition, adoption evaluation, and global diffusion. Theory development proceeds through a two-phase design. Phase One employs a systematic qualitative comparison of 20 documented reverse innovation cases from Nigerian subsidiaries, collected through executive interviews (n = 60), subsidiary innovation records, and headquarters communication archives. Phase Two validates RIDT propositions through a survey of 250 subsidiary managers and 80 headquarters decision-makers across 30 multinational corporations with Nigerian operations. Structural equation modelling is employed for quantitative validation. The RIDT introduces original constructs including Subsidiary Innovation Legitimacy (the process through which Nigerian subsidiaries build headquarters recognition of their innovation capabilities), Frugal Technology Adaptation (the mechanism through which constraint-driven Nigerian innovations are adapted for resource-rich markets), and Power-Knowledge Asymmetry Navigation (the strategies employed by subsidiaries to overcome headquarters' structural resistance to peripheral innovations). All constructs are confirmed significant in the SEM validation. The RIDT provides the first systematic theoretical account of reverse innovation from African emerging market subsidiaries and constitutes an original contribution to international business administration scholarship.

Keywords: reverse innovation, multinational subsidiaries, emerging markets, Nigeria, headquarters-subsidiary relations