Using categorical DEA to assess the effect of subsidy policies and technological learning on R&D efficiency of it industry

    Li-Ting Yeh Affiliation
    ; Dong-Shang Chang Affiliation


Government subsidies are an important policy tool that can help firms develop technological learning, and this technological learning effect plays a key role in firms’ research and development (R&D) efficiency. Thus, this study develops a two-stage approach to illustrate the effect of subsidy policies and technological learning on R&D efficiency in the information technology (IT) industry. The technological learning effect in 128 firms in the IT industry from 2008 to 2015 was measured using the learning experience curve. Subsequently, government R&D subsidy intensity was considered as a categorical variable, and this estimated result was treated as an intangible input into a data envelopment analysis (DEA) structure to evaluate R&D efficiency in 2015. This study makes three major contributions. First, the developed approach incorporates the effect of subsidy policies and technological learning into the DEA structure. Second, the empirical results demonstrate the appropriateness of incorporating subsidy policies and technological learning into evaluations of R&D efficiency. Finally, our results identify the key sources of inefficiency as a shortfall in the number of patents and a lack of technological learning. Based on these key findings, some improved strategies were recommended to decision makers.

First published online 19 November 2019

Keyword : data envelopment analysis, government subsidies, information technology industry, learning experience curve, technological learning, R&D efficiency

How to Cite
Yeh, L.-, T., & Chang, D.-, S. (2020). Using categorical DEA to assess the effect of subsidy policies and technological learning on R&D efficiency of it industry. Technological and Economic Development of Economy, 26(2), 311-330.
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Feb 3, 2020
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