| Summary: | 碩士 === 國立成功大學 === 會計學系 === 102 === Prior research find that firms with higher degree of customer-base concentration can improve the profitability by the cooperative relationship with their major customer. R＆D investment is crucial for software industry, because the efficiency of R＆D investment affect future profitability and prospect of firm. This study investigate the special relationship under supply chain, and whether the positive effect of information delivery, supervision power, and knowledge sharing from major customer increase the R＆D performance of supplier. Moreover, I investigate how the higher customer-base concentration and longer cooperative duration for major customer affect R＆D performance of supplier. Early research articulates that R＆D spillover is universal in many industries, especially in the cooperative partners with collaborative partnership. As a result, my study also investigate whether occurring of R＆D spillover in supply chain enhance the R＆D performance of supplier which have higher customer-base concentration.
This study using American software industry over the period of 2000-2012 as sample, and there are two measurements for R＆D performance: R＆D expense and R＆D capitalization. My research finds that when R＆D performance is measured by R＆D expense, there is a positive association between customer-base concentration and R＆D performance of supplier. However, when R＆D performance is measured by R＆D capitalization, there is a negative association between customer-base concentration and R＆D performance of supplier. Nevertheless, no matter R＆D performance is measured by R＆D expense or capitalization, the longer the cooperative duration, the higher the R＆D performance of supplier. Moreover, I find that there exist R＆D spillover between major customer and supplier.
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