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Exploring IKEA effect in self-expressive mass customization: underlying mechanism and boundary conditions

This study aims to understand the underlying mechanism and boundary conditions of the IKEA effect in self-expressive mass customization (MC). It examines the effect of the extent of choice in MC toolkits in terms of perceived value of self-designed products, as well as how self-expression mediates this effect and what kind of consumers are more inclined to experience such effect.,Two experiments were conducted, using online MC toolkits. In total, 393 consumers participated in the experiments. Data collected were analyzed using t-tests, analyses of variance, path analyses, bootstrap analyses and spotlight tests.,The results show that offering a greater extent of choice in MC toolkits to consumers provides a greater opportunity for self-expression, resulting in higher product valuation. Further, consumers who have high romanticism in aesthetic preference and high self-esteem are more inclined to influences associated with this effect.,This research adds to the literature on the IKEA effect in self-expressive MC by identifying a key antecedent (extent of choice), its underlying mechanism (self-expression), and two boundary conditions (aesthetic preference and self-esteem). The results of this study provide firms with a better understanding of how they can improve their self-expressive MC strategies.