공급사슬 혁신지향성 인식 불일치가 성과에 미치는 영향: 다항회귀 및 반응표면분석을 활용한 실증 연구

초록

This study investigates how perceptual incongruence between buyers and suppliers regarding supply chain innovation orientation (SCIO) affects buying firms' operational efficiency and financial performance. Three SCIO dimensions — organizational, exploratory, and exploitative innovation orientation — are examined. Applying polynomial regression and response surface analysis (RSA) proposed by Edwards and Parry (1993), we overcome the limitations of difference-score approaches and validate surface coefficients. Using data from 439 Korean manufacturing firms, we find: First, the slope along the line of congruence is significantly positive across all six models, indicating that joint high-level recognition of SCIO by both parties enhances performance. Effect magnitudes follow: exploitative > exploratory > organizational innovation orientation. Second, the curvature along the line of congruence is not significant, suggesting a linear rather than nonlinear performance increase as jointly recognized SCIO rises. Third, the slope along the line of incongruence is significant only in the exploratory SCIO → operational efficiency model, revealing that supplier overestimation of their own exploratory innovation relative to buyer perception reduces operational efficiency. The findings of our study contribute to the literature by empirically demonstrating that the absolute level of SCIO is a more critical driver of performance than perceptual incongruence itself, empirically identifying supplier innovation overconfidence as a new cause that undermines operational efficiency within the context of exploratory innovation orientation.

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