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The purpose of this paper is to examine how communication with suppliers influences performance during production ramp-up. Often, time, cost or quality targets are missed in production ramp-ups while the number and frequency of ramp-ups is further increasing. The goal of this paper is thus to contribute a better understanding if and to which extend communication content or communication relationship is affecting ramp-up performance.

The research uses data from a dyadic survey (N = 160) in the German automotive industry. The data set comprises responses from buyers and suppliers. Constructs, namely, information and relationship quality, as well as communication satisfaction, are measured. The effect of communication is evaluated referring to cost, quality and time dimensions of performance. The analysis is applied with structural equation modeling methodology. This research is complemented by a multigroup analysis (MGA) especially comparing buyer and supplier respondent groups.

The results indicate that communication satisfaction positively influences ramp-up performance and that information quality is of higher relevance than relationship quality. Briefly, information exchange (what information to transfer) is more important than relationship management (how to transfer information). This finding contrasts previous literature focusing on relationship factors in communication settings. Furthermore, findings from MGA sustain the findings, because effects are also analyzed from a supplier’s or buyer’s viewpoint. Overall, the findings imply that supplier communication in production ramp-up must of course provide a high level of information quality. However, to optimize ramp-up performance also a high level of relationship quality is required.

This study featured data from the German automotive industry from buyer’s and supplier’s perspective. This limits its generalizability, yet provides opportunities to test the findings through longitudinal studies, potentially gathering data from other sectors.

This research recommends managers deliver high information quality to improve communication satisfaction. Hence, this survey provides support for business communication o enhance ramp-up performance to achieve success in buyer–supplier relations.

Besides the original dyadic database, this research addresses production ramp-up as a very dynamic process. Plans and forecasts change often, thus supplier communication takes place in a stress situation. Then, communicators might overstate information quality and lose sight of relationship quality. The study contributes to this field of research and postulates that (automatic, autonomous) data exchange requires behavioral and relational support. The findings are useful for companies in stress situation (e.g. also a pandemic supply crisis) and will avoid that the optimization of information exchange disregards the relationship aspect.