Abstract
Summary This article adopts and extends the data envelopment analysis model of Seiford and Zhu (1999) to investigate the R&D efficiency and marketability of Taiwan's IC‐design firms. Cluster analysis is used to study the relationship between invention efficiency, marketability, and firm characteristic variables. Results show that invention efficiency and R&D marketability are 0.6 and 0.4, respectively. It is not desirable that firms often ignore marketability in the R&D process. Cluster analysis is used to divide firm population into high‐ and low‐efficiency segments in order to determine the relationships between invention efficiency, marketability, and environment variables. Results show that the number of employees, employee bonuses, and firm age are positively correlated to invention efficiency and marketability. These results may help guide the operational and managerial policies of IC‐design firms.
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